Alternatives to VoiceBun
Compare VoiceBun alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to VoiceBun in 2026. Compare features, ratings, user reviews, pricing, and more from VoiceBun competitors and alternatives in order to make an informed decision for your business.
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1
Telnyx
Telnyx
Telnyx is a global communications infrastructure platform that provides voice, messaging, networking, and AI-powered real-time communication capabilities through a fully owned telecom stack. The platform combines carrier-grade networking, programmable identity systems, AI inference, and low-latency communication infrastructure to support real-time conversational AI agents and enterprise communication workflows. Telnyx owns and operates its entire network stack, including physical infrastructure, mobile core systems, edge processing, and AI compute layers, enabling faster performance and lower latency without relying on third-party telecom providers. The platform offers tools such as voice agent builders, speech-to-text, text-to-speech, global phone numbers, AI orchestration, and programmable compliance controls for building intelligent voice and messaging systems. -
2
Retell AI
Retell AI
Retell AI is an advanced platform that enables businesses to build, test, deploy, and monitor AI-powered voice agents for seamless customer interactions. With features like call transfer, appointment scheduling, and knowledge base synchronization, it allows for the creation of lifelike conversations with minimal latency. The platform supports integration with various telephony systems and offers multilingual capabilities, making it suitable for global operations. Retell AI's scalable infrastructure ensures reliable performance, handling high call volumes efficiently. Additionally, it provides robust monitoring tools to analyze call performance and user sentiment, facilitating continuous improvement of voice agents. -
3
Dialogflow
Google
Dialogflow from Google Cloud is a natural language understanding platform that makes it easy to design and integrate a conversational user interface into your mobile app, web application, device, bot, interactive voice response system, and so on. Using Dialogflow, you can provide new and engaging ways for users to interact with your product. Dialogflow can analyze multiple types of input from your customers, including text or audio inputs (like from a phone or voice recording). It can also respond to your customers in a couple of ways, either through text or with synthetic speech. Dialogflow CX and ES provide virtual agent services for chatbots and contact centers. If you have a contact center that employs human agents, you can use Agent Assist to help your human agents. Agent Assist provides real-time suggestions for human agents while they are in conversations with end-user customers. -
4
ECHO by Zencia AI
Zencia AI
ECHO by Zencia is a SaaS platform for building, deploying, and managing production-ready AI voice agents. Create AI receptionists, sales agents, customer support assistants, recruiters, or custom AI voice employees without the complexity of integrating telephony, speech-to-text, large language models, text-to-speech, and workflow automation from scratch. ECHO combines persistent memory, custom knowledge bases, knowledge-gap detection, and intelligent workflows to deliver natural, context-aware voice conversations. Connect your CRM, calendars, and business tools to automate inbound and outbound calls, qualify leads, schedule appointments, answer customer queries, and execute business actions from a single dashboard. With multilingual support, analytics, call history, and centralized agent management, ECHO enables startups, SMBs, and enterprises to deploy scalable Voice AI that remembers context, takes action, and helps automate business communication. -
5
Grok Voice Agent Builder
SpaceXAI
Grok Voice Agent Builder is xAI’s no-code platform for configuring production voice agents on Grok Voice in under two minutes. It is built for operators and developers who want high-volume voice agents without building the surrounding stack from scratch, bringing telephony, knowledge retrieval, tools, guardrails, MCPs, and observability into one place. Instead of stitching together separate speech-to-text, language model, and text-to-speech APIs, Voice Agent Builder uses one interface on a speech-to-speech path built for Grok Voice, tightly coupled to the model rather than assembled from three different systems. Users can write a plain-language description of how calls should flow, attach documents, connect tools, set guardrails, and move quickly from zero to a working agent. It can retrieve from uploaded knowledge bases in common formats such as plain text, Markdown, Word, PowerPoint, Excel, HTML, JSON, and others.Starting Price: $30 per month -
6
FonadaLabs
FonadaLabs
FonadaLabs is a voice AI platform that provides enterprise-grade infrastructure and APIs for building voice agents on Indian telephony networks. The platform offers a complete voice pipeline that includes telephony hosting, noise cancellation, speech recognition, voice models, and text-to-speech capabilities within a unified API environment. FonadaLabs supports over 23 Indian languages with speech recognition optimized for regional accents and telephony use cases. The platform enables real-time voice streaming with ultra-low latency, enterprise security, and India-based data residency for compliance and sovereignty requirements. Businesses can also leverage specialized voice agent language models, tool-calling support, and natural-sounding Indian voice generation for customer interactions and automation.Starting Price: $5 -
7
UnlimCall
UnlimCall
UnlimCall is an AI-powered voice automation platform that helps businesses automate phone-based customer interactions using intelligent voice agents. The platform supports both inbound and outbound calling for lead qualification, appointment scheduling, customer support, follow-ups, surveys, and sales outreach. UnlimCall combines conversational AI, telephony infrastructure, call routing, call recording, analytics, and workflow automation in a single solution. AI voice agents can engage in natural conversations, answer questions, collect information, transfer calls to human agents, and integrate with external systems through APIs and webhooks. Key features include automated outbound calling, call recording, conversation analytics, SIP connectivity, CRM integrations, reporting dashboards, and developer APIs. UnlimCall helps organizations scale customer communications, improve operational efficiency, and deliver consistent customer experiences through AI-powered voice interactions.Starting Price: $396/month -
8
Vocode
Vocode
Vocode is an open source library that simplifies the creation of voice-based applications leveraging large language models. Developers can build real-time streaming conversations with LLMs and deploy them to phone calls, Zoom meetings, and more. Vocode provides easy abstractions and integrations so that everything you need is in a single library. It offers out-of-the-box integrations with leading speech-to-text and text-to-speech providers, including AssemblyAI, Deepgram, Google Cloud, Microsoft Azure, and Whisper. The platform supports cross-platform deployment across telephony, web, and Zoom, enabling applications like LLM-powered phone calls, personal assistants, and voice-based games. Vocode's modular design allows for seamless integration of various AI models and services, providing developers with the flexibility to choose the best components for their applications. The platform also supports multilingual capabilities.Starting Price: Free -
9
OpenGreet
OpenGreet
OpenGreet is an AI voice agent platform built for businesses in Singapore, Malaysia and the broader APAC region. The platform automates inbound and outbound business calls including sales, lead qualification, appointment scheduling, customer support, surveys, and lead re-engagement. Purpose-built for APAC, OpenGreet supports Singapore English, Mandarin, Bahasa Melayu, and other regional languages and dialects. The platform handles conversations dynamically, adapting to unpredictable customer responses rather than following rigid scripts. OpenGreet serves businesses across real estate, healthcare, financial services, e-commerce, insurance, education, logistics, and more. The platform is PDPA compliant with full call analytics, conversation transcripts, sentiment analysis, and CRM integration, giving businesses complete visibility into every customer interaction.Starting Price: $200 -
10
ElevenAgents
ElevenLabs
ElevenLabs Agents is a platform for building, deploying, and scaling intelligent conversational AI agents that can speak, type, and take action across phone, web, and application environments. It enables developers and teams to create real-time agents that interact naturally with users through voice and text, combining speech-to-text, large language models, and text-to-speech into a unified system that functions like a human conversation partner. It allows agents to resolve customer issues, automate workflows, answer questions, and execute tasks based on connected data sources and predefined logic, making interactions both accurate and context-aware. These agents can be customized with knowledge bases, system prompts, and tools that enable them to access external systems, execute custom logic, and perform actions beyond simple responses. They support multimodal capabilities, meaning they can read, speak, and interpret inputs while handling conversational dynamics.Starting Price: $5 per month -
11
Ori
Ori
Ori is an enterprise-grade generative-AI platform built to automate and scale customer interactions across voice, chat, email, and messaging channels, with full compliance, auditability, and multilingual support. It delivers AI-powered chatbots and voice bots capable of handling the full customer journey; lead qualification, conversational sales, onboarding, customer support, collections, renewals, and retention. Its core features include multilingual and omnichannel support, intelligent conversation flows with context awareness and sentiment detection, real-time compliance and script adherence (for regulated industries like finance and insurance), full audit trails, and seamless handoffs to human agents when needed. It supports voice-based conversations (speech recognition, natural-language responses), chat/text conversations, email responders, and hybrid bot-plus-live-agent workflows. -
12
OpenAI Realtime API
OpenAI
The OpenAI Realtime API is a newly introduced API, announced in 2024, that allows developers to create applications that facilitate real-time, low-latency interactions, such as speech-to-speech conversations. This API is designed for use cases like customer support agents, AI voice assistants, and language learning apps. Unlike previous implementations that required multiple models for speech recognition and text-to-speech conversion, the Realtime API handles these processes seamlessly in one call, enabling applications to handle voice interactions much faster and with more natural flow. -
13
Google has released updated Gemini audio models that significantly expand the platform’s capabilities for natural, expressive voice interactions and real-time conversational AI with the introduction of Gemini 2.5 Flash Native Audio and improved text-to-speech technology. The updated native audio model powers live voice agents that can handle complex workflows, follow detailed user instructions more reliably, and maintain smoother multi-turn conversations by better recalling context from previous turns. It is now available across Google AI Studio,Gemini Enterprise Agent Platform, Gemini Live, and Search Live, enabling developers and products to build interactive voice experiences such as intelligent assistants and enterprise voice agents. In addition to the real-time voice improvements, Google enhanced the underlying Text-to-Speech (TTS) models in the Gemini 2.5 family to offer greater expressivity, tone control, pacing adjustments, and multilingual support.
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14
Intervo.ai
Intervo.ai
Intervo is an open source, enterprise-grade voice and chat AI agent platform designed to automate real-time customer interactions across voice and text channels. It allows businesses to build, train, and deploy custom agents in minutes without code; you define the agent’s purpose, upload domain knowledge (documents, files), choose a voice engine (e.g., ElevenLabs, Azure), and publish it to embedded channels. Its agents support use cases like lead qualification, customer support, AI receptionist/scheduling, interactive product assistance, and internal help agents (for HR, IT, etc.). They can integrate with telephony via Twilio, connect to multiple LLM backends (OpenAI, Claude, Gemini), orchestrate AI workflows, and embed on websites as widgets. It emphasizes scalability, compliance, and flexibility, letting organizations embed context-aware conversational agents that understand complex queries, route calls, and interact via speech or chat.Starting Price: $10 per month -
15
Vision Agents
Stream
Vision Agents is an open source Python framework for building low-latency voice and video AI agents with any model. It lets developers plug in LLM, speech, and vision models from more than 25 providers and ship real-time agents for telehealth, voice support, live coaching, video analysis, interactive avatars, security monitoring, sports commentary, and other multimodal applications. It is designed to help teams build agents that can listen, speak, see, process media, call tools, and respond in real time while running on Stream’s global edge network with sub-500ms latency. Developers can build a first agent in minutes, using a small Python setup with Gemini Realtime, OpenAI, Deepgram, ElevenLabs, Stream, or other supported providers. Vision Agents supports both real-time speech-to-speech models and custom STT/LLM/TTS pipelines, giving teams either the fastest path to a working voice agent or full control over speech recognition, language reasoning, text-to-speech, etc.Starting Price: Free -
16
Aethex
Aethex
AethexAI is the voice AI stack for emerging markets, built for end-to-end voice agents localized for your market. It brings together infrastructure, models, and deployment in one environment, with proprietary Kora 1 models trained on real conversational speech and human-labeled data across emerging markets. The Kora 1 Engine is designed for real speech, native tool calling, workflow-aware routing, dedicated infrastructure, dialect-aware interactions, and sub-500ms turn-taking. Teams can design, deploy, and manage voice agents that handle calls, messages, and workflows across support, sales, onboarding, and collections, integrated with the systems they already run. It moves from hello to resolution, with agents that can read and write data, trigger actions, and close loops inside existing systems rather than alongside them. Agent Studio lets users design conversation flows, set guardrails, configure personas, and build inbound or outbound agents with no code required.Starting Price: $3 per month -
17
nPathi
nPathi
nPathi AI Agent is an intelligent voice AI solution that integrates natively with ViciDial. Your AI agents process campaigns exactly like human agents - with full visibility in ViciDial dashboard. Key features: - Native ViciDial integration - AI agents appear as regular agents in campaigns - Visual Pathway Builder - No-code drag-and-drop conversation designer - Real-time monitoring and disposition codes - 260+ OAuth integrations (CRM, calendars, webhooks) - Multi-language support - 100+ languages - Ultra-low latency (<500ms response time) - Lead routing and qualification - Automatic CRM updates post-call - Call recording and transcripts - Scale to 2000+ concurrent calls Use cases: Outbound sales campaigns, lead qualification, appointment setting, customer surveys, payment reminders, reactivation campaigns, customer support. Deploy AI agents that handle calls 24/7 while your human agents focus on high-value conversations.Starting Price: $49/month -
18
OttrCall
OttrCall
OttrCall is an AI-powered outbound voice calling platform built for modern sales and operations teams. Our natural-sounding voice agents can automate cold calls, follow-ups, appointment reminders, lead qualification, and more — no manual dialing, no burnout. OttrCall helps small to mid-sized businesses streamline outbound workflows across industries like real estate, finance, hospitality, and healthcare. With quick setup, multi-stage pipeline support, and real-time call summaries, OttrCall replaces traditional call centers with always-on, cost-efficient automation. Whether you're nurturing leads or re-engaging dormant customers, OttrCall delivers consistent, scalable conversations — without sounding like a bot. 💡 Highlights: -AI voice agents for outbound calls -No-code setup with full call automation -Human-like speech, not robotic -Ideal for sales, ops, and support teams -Real-time summaries and CRM-ready dataStarting Price: $150/month/1000 minutes -
19
smallest.ai
smallest.ai
Smallest.ai is a real-time AI platform designed to deliver hyper-personalized voice experiences with minimal latency and high scalability. Its flagship products, Waves and Atoms, enable users to generate human-like AI voices and deploy real-time AI agents for customer interactions. Waves offers ultra-realistic text-to-speech capabilities, supporting over 30 languages and 100 accents, with sub-100ms API latency for instant voice generation. It also features instant voice cloning, allowing users to replicate any voice with just a 5-second audio sample, making it ideal for personalized branding and content creation. Atoms provides AI agents capable of handling customer calls, offering seamless, natural-sounding conversations without human intervention. Both products are designed for easy integration, offering scalable APIs and Python SDKs to facilitate deployment across various platforms.Starting Price: $5 per month -
20
Awaz
Awaz
Awaz is a no-code AI platform designed to automate phone calls, allowing businesses to create human-like AI voice agents that can handle both inbound and outbound calls. These AI agents can book meetings, conduct interviews, make cold calls, offer customer support, and automate follow-ups, all 24/7. The platform allows users to easily configure AI agents, set their tasks, and integrate them with tools like SMS, emails, WhatsApp, and calendar systems. Awaz also provides advanced features like sentiment analysis, diarization, and voice customization, enabling businesses to enhance customer experiences. The AI agents can be trained with custom data to improve performance over time, ensuring calls are personalized and efficient. With the ability to engage customers in over 30 languages, Awaz helps scale communication efforts, reduce reliance on human agents, and automate repetitive tasks, making it an ideal tool for lead qualification, appointment scheduling, and customer support.Starting Price: $29 per month -
21
EBoo
EBoo.ai
EBoo is a real-time AI voice platform that enables businesses to build, deploy, and manage intelligent voice agents for customer support, sales, and operational use cases. The platform automates voice-based interactions such as inbound customer queries, outbound follow-ups, lead qualification, appointment scheduling, and routine operational calls with natural, human-like conversations. EBoo allows teams to design and customize AI voice agents based on their specific workflows and business needs. It integrates seamlessly with existing systems and tools, enabling smooth data exchange and automated actions during live calls. The platform is built for scalability, ensuring reliable performance even at high call volumes.Starting Price: $49/month -
22
AgentVoice
AgentVoice
AgentVoice is a platform for building AI‑powered voice agents that can make and answer phone calls and take meaningful actions, like booking meetings, sending texts, and updating CRMs, without requiring a developer. Each call flows through speech recognition to transcribe what’s said, a large language model to determine what to say and do, and an AI‑generated voice to respond naturally. Our agents don’t just respond, they execute tasks during or after the call using real data, memory, and tool access. You can create no‑code workflows that update CRMs, schedule meetings, send follow‑ups, screen leads, handle voicemails, or filter spam calls, all in the same call. Setup is fast, you can create and launch a working agent in less than 30 minutes, using no code: define your agent, choose a voice, connect your tools via 200+ native integrations, low‑code options, or a robust API and webhooks, then upload or generate a script.Starting Price: $50 per month -
23
OmniDimension
OmniDimension
OmniDimension is a Conversational AI platform that helps businesses automate customer conversations across voice, web, and WhatsApp. Users can create AI voice agents for lead generation, appointment booking, customer support, collections, outbound calling, and inbound call handling without coding. The platform includes built-in telephony, AI-powered outbound campaigns, CRM integrations, workflow automation, knowledge base support, multilingual conversations, and real-time analytics. Businesses can connect tools like HubSpot, Salesforce, Google Calendar, Slack, Zapier, Make, n8n, and custom APIs to automate customer interactions and business workflows. OmniDimension enables organizations to deploy AI agents in minutes, scale customer engagement 24/7, and improve response times while reducing operational costs. -
24
Gemini Audio
Google
Gemini Audio is a set of advanced real-time audio models built on Gemini's architecture, designed to enable natural, fluid voice interaction and expressive audio generation through simple language prompts. It supports conversational experiences where users can speak, listen, and interact with AI in a seamless loop, combining understanding, reasoning, and response generation in audio form. It is capable of both analyzing and generating audio, allowing applications such as speech-to-text transcription, translation, speaker identification, emotion detection, and detailed audio content analysis. They are optimized for low-latency, real-time use cases, making them suitable for live assistants, voice agents, and interactive systems that require continuous, multi-turn dialogue. Gemini Audio also integrates advanced capabilities like function calling, enabling the model to trigger external tools and incorporate real-time data into responses.Starting Price: Free -
25
mrmr
mrmr
mrmr is a voice-first AI agent for Mac. Press one shortcut and talk, and it takes real action across the apps you already work in. This is speech-to-action, not speech-to-text. Ask it to create a Linear ticket, post the link in a Slack channel, and add a calendar follow-up, and it does all three in one conversation. mrmr chains multi-step workflows, resolves your channels, teammates, and projects automatically, and confirms anything before it sends or changes it. It connects to Slack, Linear, Google Calendar, Google Tasks, Google Meet, Zoom, Notion, Gmail, Cal.com, Calendly, Attio, and GitHub through real app APIs, plus Apple Reminders. It also searches your Mac files and browser history, runs cited web search, runs your own scripts by voice, and delegates to background sub-agents. mrmr also handles fast dictation in around 60 languages, but the focus is doing, not typing. A voice-first alternative to Siri, Wispr Flow, and Superwhisper. Currently in private beta.Starting Price: Free -
26
aiOla
aiOla
aiOla is a deep tech Conversational, Voice, and Speech AI lab with an enterprise-level automatic speech recognition (ASR) foundation model, Text-to-speech (TTS) technology and Natural Language Understanding (NLU). It’s designed to help enterprises and developers adapt speech technologies to any process, whether through seamless API integration or an intuitive in-house app. aiOla is revolutionizing enterprise operations with enterprise level Conversational AI. We specialize in speech-to-text and text-to-speech AI that deliver unmatched accuracy (95%), specialized in specific jargon, in any language, accent, vertical, or acoustic environment. From empowering frontline workers with hands-free workflows to enabling voice AI agents with enterprise-grade ASR and TTS, aiOla seamlessly integrates into workflows, internal apps and products. -
27
Neyox
Neyox.ai
Neyox.ai is an AI-powered voice platform that automates customer calls with smart, human-like agents available 24/7. The platform handles outbound and inbound calls for tasks like lead qualification, appointment booking, payment reminders, surveys, and customer support. It supports over 30 languages and natural accents, enabling businesses to reach global audiences with personalized voice interactions. Neyox.ai offers a no-code setup, making it easy for companies to deploy scalable AI voice agents without technical expertise. The platform emphasizes security and compliance, adhering to standards like GDPR and ISO certifications to protect data. Trusted by businesses across industries, Neyox.ai boosts engagement, reduces costs, and improves productivity through intelligent call automation.Starting Price: $99/month -
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Callab AI
Callab AI
Callab AI is a voice‑automation platform that enables organizations to build, deploy, and manage human‑like AI voice agents for both inbound and outbound calls through a single, easy‑to‑integrate interface. These agents can reference internal knowledge bases, PDFs, websites, Google Docs, and more, during live or asynchronous conversations, seamlessly transfer calls between AI agents, departments, or live representatives based on context, and capture structured data such as names, budgets, and next steps directly from voice dialogues. Every interaction is fully recorded, transcribed, sentiment‑tagged, and centralized in a dashboard for post‑call analysis and action. Batch Calling allows the simultaneous launch of hundreds of personalized AI‑powered calls, while support for multiple Arabic dialects ensures nuanced, culturally appropriate conversations across the MENA region. Callab AI integrates with preferred CRMs and external systems, automating material workflows.Starting Price: $240 per month -
29
Luron AI
Luron AI
Luron AI is a premium conversational AI platform for enterprise customer operations, built to handle inbound and outbound calls, chat, and SMS with human-like conversations, real-time context, and 24/7 availability. Its Voice AI platform replaces outdated IVR systems with intelligent voice automation that customers actually want to talk to, handling unlimited concurrent calls with natural, empathetic dialogue, real-time transcription, speaker diarization, searchable call logs, sentiment analysis, and seamless human handoff when live support is needed. Luron connects with CRMs, ticketing systems, payment gateways, telephony infrastructure, and 100+ enterprise systems, including Salesforce, HubSpot, Zendesk, and ServiceNow, so agents can sync data in real time and work with the current customer context. For digital channels, Luron’s Chat AI deploys across websites, mobile apps, WhatsApp, Messenger, and more, understanding intent, handling follow-ups and context switches, etc.Starting Price: $0.08 per minute -
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Voicing AI
Voicing AI
Voicing AI is an enterprise-grade agentic voice AI platform designed to automate customer interactions through humanlike voice agents that can both converse and take real-time actions during calls. It enables businesses to handle inbound and outbound phone calls 24/7 using AI agents that understand queries, respond naturally, and execute tasks such as updating CRM systems, retrieving data, or completing workflows without human intervention. It is built around proprietary “large action models” that allow agents not only to communicate but also to perform operations across integrated systems, significantly accelerating task execution. It supports multilingual conversations in over 20–30 languages and incorporates high emotional and contextual intelligence to handle complex customer interactions with accuracy and empathy. -
31
VoAgents
VoAgents.ai
VoAgents.ai offers a cutting-edge AI voice agent solution designed to reshape the way businesses interact with customers. Capable of managing both inbound and outbound calls, our AI-driven agents simulate natural and human-like conversations. VoAgents.ai is an advanced AI voice agent platform built to transform how businesses connect with their customers. Designed to handle both inbound and outbound calls, our AI agents deliver natural, human-like conversations that elevate customer engagement and streamline operations. Whether you're managing sales, support, follow-ups, or appointment scheduling, VoAgents.ai ensures consistent, 24/7 communication across industries like iGaming, marketing, real estate, restaurants, retail, and finance. Our voice agents are trained to understand your business needs, respond intelligently, and integrate seamlessly with your existing CRM and workflows.Starting Price: $99/month -
32
Kipps.AI
Kipps.AI
Kipps.AI is an enterprise-grade platform for building and deploying AI agents, voice, chat, and WhatsApp that can handle millions of conversations with human-like intelligence and enterprise-scale reliability. It enables organizations to deploy custom agents for lead qualification, booking appointments, customer support, and more, with integrations into CRM systems, telephony platforms, and other business tools. It supports 100 + pre-built integrations such as Salesforce, HubSpot, WhatsApp, Slack, and Zoom; features include detailed analytics (model- and agent-level usage), conversation transcription, real-time call-streaming, sentiment detection, routing to human agents when needed, and enterprise-grade security with SOC 2 Type II, ISO 27001, HIPAA-ready, PCI DSS Level 1, and zero-data-retention options. -
33
telli
telli
telli is an AI-powered call automation platform designed to handle outbound and inbound phone outreach for businesses, letting AI voice agents carry out natural, human-like conversations to qualify leads, book appointments, or transfer warm leads to human agents. It uses smart dialing strategies, dynamic number rotation, and automatic callbacks to maximize pick-up rates and supports multilingual voice agents with natural accents to engage customers in different languages. It integrates with CRM systems, calendars, and customer workflows so calls can trigger actions like scheduling, data capture, or lead handoffs, no manual dialing or follow-up needed. Calls are transcribed and summarized, providing analytics on outcomes, sentiment, and topics, allowing teams to track performance at scale and refine outreach strategies. telli enables businesses to reach leads quickly after acquisition, nurture, re-engage, or follow up via phone, SMS, WhatsApp, or email. -
34
Callin.io
Callin.io
AI voice assistant for businesses of every scale. Callin's AI-driven voice assistants are tailored to bolster the growth of businesses, handling inbound and outbound customer conversations. Quick to implement and built for impactful results, Callin AI agents are the quintessential team additions, encapsulating the AI features you’ve always imagined. Callin responds to unanswered calls consistently, 24/7, and handles calls from both external customers and internal employees. Outperforms human agents in turning leads into clients. Our AI voice agents are customizable to meet the specific needs of your business. Answer every incoming call, capture lead details, and book appointments on the spot. Follow up on missing documents and incomplete applications. Speed up the process and maximize conversion. Remind customers of upcoming payments and appointments, or share critical updates. Handle any number of calls in a language of your customers’ choice.Starting Price: $29 per month -
35
AgentPhone
AgentPhone
AgentPhone is a developer-focused platform that enables artificial intelligence agents to interact with the real-world phone network by assigning them actual phone numbers capable of receiving SMS messages and voice calls through a unified webhook system. It allows users to programmatically provision phone numbers, handle inbound and outbound communications, and process conversations in real time without managing the underlying telephony infrastructure. It simplifies the complexity of telecommunication by abstracting carrier-level operations, letting developers focus on building conversational logic and automation workflows. With AgentPhone, AI agents can be created in minutes to engage in dynamic interactions, respond to messages, and execute tasks triggered by phone-based communication. It supports both voice and text channels, enabling seamless integration of conversational agents into applications that require real-time user interaction.Starting Price: $8 per month -
36
Feather
Feather
Feather is an AI-powered voice agent platform that lets businesses create, customize, deploy, and manage intelligent phone call automation that sounds human and handles real tasks at scale, supporting both inbound and outbound calling with context-aware memory, multilingual understanding, seamless warm handoffs to humans, and native telephony essentials like hold music and voicemail detection; its agents can access company knowledge bases for accurate answers, integrate with calendars and CRMs, book appointments, follow up on leads, and automate repetitive communication workflows so teams never miss opportunities and can focus on higher-value work. Built for production-grade reliability and enterprise use, Feather includes observability and quality testing tools to ensure consistent call performance, supports integrations via APIs and webhooks, and can be white-labeled for agencies and software providers while meeting compliance and data-security standards. -
37
Trylli AI
Trylli AI
Trylli AI is a next-generation AI voice calling system that replaces traditional telecalling with intelligent, human-like agents. It enables businesses to run inbound and outbound calls at scale, handling sales, support, reminders, HR interviews, and more. Agents can be built using ready templates, chat-based setup, or advanced workflows, with options for multi-agent deployment, shared or isolated memory, and even a “Super Agent” for context switching. Trylli AI integrates a knowledge base for domain-specific queries, supports English and Hindi (with future global languages), and offers customizable voices for personalized conversations. Batch calling allows large-scale campaigns like collections, renewals, or verifications. With detailed analytics, call recordings, role-based access control, and integrations via APIs, Slack, and CRM systems, Trylli AI provides businesses with a scalable, multilingual, and context-aware AI telecaller that works 24/7.Starting Price: $49/Month - 750 Minutes -
38
Ringg AI
Ringg AI
Ringg AI is a no-code platform that enables businesses to create, deploy, and manage AI-powered voice agents capable of handling phone-based interactions at scale. It allows organizations to automate both inbound and outbound calls, including use cases such as lead qualification, customer support, appointment booking, recruitment, and payment follow-ups, while maintaining natural, human-like conversations. It supports real-time, multilingual communication across more than 20 languages, enabling companies to engage customers globally with low latency and high accuracy. It provides a complete system for building conversational workflows, including tools to design call scripts, launch campaigns, manage phone numbers, and analyze performance through detailed transcripts and analytics dashboards. Ringg AI integrates with existing business tools such as CRMs, calendars, and communication platforms, allowing seamless synchronization of customer data and workflows.Starting Price: $0.10 per minute -
39
Amazon Nova Sonic
Amazon
Amazon Nova Sonic is a state-of-the-art speech-to-speech model that delivers real-time, human-like voice conversations with industry-leading price performance. It unifies speech understanding and generation into a single model, enabling developers to create natural, expressive conversational AI experiences with low latency. Nova Sonic adapts its responses based on the prosody of input speech, such as pace and timbre, resulting in more natural dialogue. It supports function calling and agentic workflows to interact with external services and APIs, including knowledge grounding with enterprise data using Retrieval-Augmented Generation (RAG). It provides robust speech understanding for American and British English across various speaking styles and acoustic conditions, with additional languages coming soon. Nova Sonic handles user interruptions gracefully without dropping conversational context and is robust to background noise. -
40
CallFluent
CallFluent
We use realistic voices that create genuine connections with your customers resulting in better business outcomes. 97% of your customers won’t even tell they’re talking with an artificial intelligence-powered robot. Over 30 neural AI voices that replicate human emotions. Real-time call history, recordings & transcribes. 24/7 inbound & outbound automated call management. Accurate messages for perfect conversations. 3000+ options to integrate it into your existing workflow. From sales to customer service, AI voice agents are the most efficient & cost-effective way to manage calls. The smartest most cost-effective solution for your business. Sales teams often struggle to contact all their leads promptly. Using a voice agent you can now automate outbound calls for sales teams & close clients during phone calls. Never miss a sales opportunity with 24/7 automated lead outreach. Increase conversion rates by ensuring timely and consistent follow-up with every lead.Starting Price: $47 per month -
41
OpenText CX-E Voice
OpenText
Deployed on-premises or in the Cloud, CX-E offers seamless integration with all major communications platforms – Avaya, Cisco, Microsoft, Mitel, NEC and more – complimenting any telephony and email infrastructure. Industry-leading functionality with end-to-end voice message encryption. Mobile application, single number reach, smart call forwarding, separated business & personal communications, inbound call screening, mobile number protection, and more. Ties together voicemail, email, and fax into one inbox. Text-to-speech, voicemail transcription, and secure messaging available. Speech enabled, hands-free/ eyes-free access to calendar, email, fax, and voicemail. Federated presence to calendar to play an informative personal greeting. Supports multiple attendants, speech-recognition interfaces, greetings for different departments, multilingual interfaces, scheduled messages, and more. Perform customized automated outreach via telephone calls or text messages. -
42
Vogent
Vogent
Vogent is an all-in-one platform for building humanlike, intelligent, and effective voice agents. It offers a highly authentic, low-latency live voice AI capable of making phone calls up to one hour long and executing follow-up tasks. Vogent automates calls in industries such as healthcare, construction, logistics, and travel. The platform provides a custom end-to-end pipeline for transcription, reasoning, and speech, resulting in extremely low latency and humanlike conversations. Vogent's in-house language models have been trained on millions of phone conversations across hundreds of different task types, performing as well as human agents when prompted or fine-tuned with minimal examples. Developers can dispatch thousands of calls with a few lines of code and automate downstream workflows based on outcomes. The platform supports REST and GraphQL APIs, and offers a no-code dashboard for creating agents, uploading knowledge bases, tracking dials, and exporting transcripts.Starting Price: 9¢ per minute -
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VoiceGuide IVR
Katalina Technologies Pty Ltd
VoiceGuide IVR is a fully featured inbound and outbound interactive voice response (IVR) and automatic call distributor (ACD) created by Katalina Technologies. Highly configurable and easy to deploy, VoiceGuide IVR allows for the creation of rich, omnichannel, and personalized interactive experiences. Available as an on-premise or cloud service, VoiceGuides IVR features a graphical call flow designer that provides an intuitive way for creating and managing callflows, thereby allowing call center executives to easily make process changes. Additional features offered by VoiceGuide IVR include speech recognition, text-to-speech conversion, biometric authentication, and multilingual support.Starting Price: $99.00/one-time -
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SkipCalls
SkipCalls
SkipCalls is a comprehensive AI voice agent platform that revolutionizes phone communication for both businesses and consumers. For B2B clients, it provides 24/7 AI phone agents with deep integrations including CRM systems (Salesforce, HubSpot), calendar platforms (Google Calendar, Outlook), and helpdesk solutions. The platform offers advanced voice AI capabilities with natural language processing, real-time transcription and analytics, customizable AI personas tailored to brand voice. For B2C users, SkipCalls acts as an AI-powered voicemail and outbound calling assistant, eliminating phone anxiety by handling appointment bookings, call screening, spam filtering, and providing instant call summaries. The platform supports webhooks, REST API, and Model Context Protocol (MCP) for seamless workflow integration, making it ideal for healthcare providers, legal practices, retail businesses, and service providers who need to automate routine calls.Starting Price: $3.99 -
45
Consio
Consio
Consio helps Shopify brands recover more revenue by turning phone into a real sales and support channel. The AI Voice Agent answers inbound calls automatically, handles order status and delivery questions, sends tracking links by SMS during conversations, and transfers calls to human agents when needed. For sales teams, Consio helps call abandoned checkouts, VIP buyers, repeat customers, and other high intent shoppers with full Shopify context. Teams can run outbound campaigns with their own agents or with trained human agents provided by Consio. Every call, SMS, voicemail, and campaign is connected back to Shopify orders, so brands can see which conversations created revenue. -
46
Oravoice
Oravoice
Oravoice – 24/7 AI Voice Agents That Never Miss a Lead. Every missed call is a missed opportunity. Oravoice deploys human-like AI voice agents that answer every call instantly, qualify leads, and book appointments automatically — 24/7, without hiring extra staff. Trusted across 30M+ conversations and saving businesses 2.5M+ hours, Oravoice handles the phones so your team can focus on closing deals. Key Features: 📞 24/7 inbound call handling with IVR-style routing 📤 Outbound call automation with CSV/Excel contact upload 📅 Auto appointment booking via Calendly & Google Calendar 💬 SMS follow-up automation 🎙️ 100+ natural, human-sounding voices across languages 📊 Call transcripts, data capture & CRM sync Perfect for: Clinics, Real Estate, Hospitality, Restaurants, Automotive, E-Commerce, Sales Teams Results businesses see: 40% faster response times 99.95% call availability Zero missed leadsStarting Price: $99/month -
47
Pod
Pod
Pod provides AI-voice agents that answer your business phone calls 24/7, speaking naturally (no rigid phone-tree menus) to book appointments, support customers, qualify leads, check order or payment status, schedule services, verify information, and escalate to humans when needed. You can deploy these voice agents in minutes without code, integrating them with your existing phone system, CRM, knowledge base/documentation, calendars, databases, and business APIs so they can access real-time data and behave like a part of your team. It supports smart routing, multi-language conversations, analytics on call performance, and security with bank-level encryption, transparent privacy/data-retention control, and compliance practices. It’s meant to save hours each month by automating inbound support, outbound engagement, lead follow-ups, surveys/feedback, and other common phone tasks.Starting Price: $20 per month -
48
EchoLeads
EchoLeads.ai
EchoLeads is an AI voice sales platform that deploys intelligent AI voice agents to automate outbound calling, lead qualification, and appointment scheduling. Built for modern revenue teams, the platform combines AI cold calling software, AI SDR automation, and real-time AI call automation to engage prospects at scale. From first contact to booked meetings, EchoLeads enables businesses to run fully automated voice AI for sales workflows that generate leads, nurture prospects, and accelerate pipeline growth.Starting Price: $60/month -
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Callers
Callers
Callers is an AI-powered voice and omnichannel communication platform that automates inbound and outbound customer conversations to qualify leads, schedule meetings, handle support, and re-engage contacts at scale using human-like AI agents available 24/7, reducing manual workload and speeding engagement without extra staff. It unifies conversations across voice calls, SMS, WhatsApp, Telegram, and other channels into a single intelligent “brain,” preserving context so customers never repeat themselves and brands deliver consistent responses; it integrates with CRMs and 300 + tools to personalize dialogues using live data and automate actions before, during, and after interactions. Callers’ AI agents can conduct cold calling to filter and qualify prospects, book appointments, support onboarding and welcome flows, win back churned users, confirm events, and handle inbound queries with natural conversational quality, often connecting qualified leads directly to human teams. -
50
KugelAudio
KugelAudio
KugelAudio is the most realistic speech AI platform, combining text-to-speech, speech-to-text, and voice-to-voice in one stack. With 39-50ms inference latency (lowest on the market), 30-second voice cloning, on-premises deployment, and industry-leading accuracy on email addresses, IBANs, and phone numbers, it's built for production voice applications where quality and compliance matter. It's a strong fit for voice bots and conversational agents that need to handle structured data without misreads, real-time applications requiring sub-50ms latency, and regulated industries like banking, insurance, healthcare, and the public sector that need on-premises or EU-sovereign deployment. Beyond enterprise voice automation, KugelAudio also powers branded voice experiences through natural cloning from 30 seconds of audio, multilingual products across over 30 languages German, English, French, and Italian, and media or content production needing the most realistic synthetic voices available.Starting Price: $1
