1Stream vs. Zisson Comparison Chart

Dialpad Contact Center is Dialpad's AI-native platform for customer experience — the connective layer where conversations, intelligence, and action come together in real time. At its core, Dialpad Contact Center is the world's first Agentic AI contact center: AI agents that don't just transcribe or summarize, but reason, resolve, and act autonomously across the full customer journey. Instead of routing customers between disconnected tools, Dialpad Contact Center unifies voice, digital, and human agents in one platform, connecting the voice and data silos that have historically kept support teams siloed and reactive. Every interaction becomes part of a compounding intelligence layer. With 775M+ AI recaps and counting, Dialpad Contact Center turns each conversation into operational insight that improves resolution rates, agent productivity, and CX outcomes over time. That intelligence is continuously optimized, governed, and made visible across your organization through Dialpad's Guardian safety layer, ensuring secure, enterprise-grade AI operations at scale. Dialpad Contact Center is built to resolve up to 80% of issues autonomously, reducing operational complexity while giving human agents the context they need for what still requires a human touch. People stay at the core; intelligence sits at the edge, ready to act the moment it's needed. Rather than asking enterprises to take autonomy on faith, Dialpad Contact Center is validated through Dialpad's Proving Ground, so teams can confirm ROI and reliability before committing at scale — a modern alternative to legacy, static bots and fragmented support stacks.

CallTrackingMetrics is the only SaaS platform that uses call tracking and conversion intelligence to inform contact center automation—resulting in a more personalized customer experience. Discover which marketing campaigns are generating leads and conversions, and use that data to automate call flows and power your contact center. Unify communications across your entire organization with our phone, text, online form, and live chat tools. More than 100,000 users around the globe trust CallTrackingMetrics to manage communications for their marketing, sales, and service teams. Call tracking features include reliable dynamic number insertion (DNI) for session-level attribution, local, toll-free, and vanity tracking numbers, and omnichannel attribution across calls, texts, form fills, and chats. Key contact center features include a browser-based softphone, smart routing options, SMS campaigns, automated call scoring, and smart dialer functionality.

PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Since 2004, PBXware has deployed flexible, reliable, and scalable Next Generation Communication Systems and VoIP solutions to Small and Medium sized Businesses (SMBs), enterprises, Internet Telephony Service Providers (ITSPs), Call Centers and governments worldwide by combining the most advanced of the latest technologies. Bicom Systems’ softswitch is offered in Business, Contact Center and Multi-Tenant Editions, each supporting specific features maximizing performance, reliability, and expandability.

QEval is contact center quality assurance software that automates quality monitoring across 100% of voice, chat, and email interactions. Most call center QA teams manually sample 1 to 5% of calls. QEval replaces that with AI-powered speech analytics, automated quality scoring, and real-time compliance monitoring. Core functionality: call monitoring and evaluation, agent performance management, sentiment analysis, keyword detection, customer experience analytics, coaching workflows, gamification, and 110+ dashboards with predictive analytics. Compliance monitoring covers PCI, HIPAA, and GDPR with 98% accuracy and real-time alerts. QEval's speech analytics engine is trained on 138M+ interactions with 94% classification accuracy. The platform deploys in 30 days, not the 90 to 120 days typical of call center quality monitoring software. ISO 27001, SOC 2, PCI-DSS certified. Built by Etech Global Services for Fortune 500 contact centers in healthcare, telecom, retail, banking, and BPO.

Squaretalk is a powerful contact center solution that transforms how modern teams connect with prospects and customers, convert sales opportunities, and grow their operations. The combination of AI Voice Agents, calling, power dialing, WhatsApp Business messaging, SMS, email, AI-powered automation, and affordable scalability ensures that companies of all sizes shorten their sales cycle and elevate outreach without additional complexity or costs. Squaretalk’s platform offers omnichannel communication, powerful call-handling features, automated transcripts, sentiment analysis, contact management, customizable workflows, advanced reporting, and enterprise-grade security. The internal chat allows for quick sync, better mentoring, smoother escalations, and the unification of internal and external communication in one platform. With local numbers in 150+ popular and niche destinations, we enable businesses to establish and maintain a local presence, build trust, and support their global expansion.

Focusing on delivering "Easy-first Unified Communications", Yeastar P-Series Phone System offers companies of all sizes with a complete package for calls, video, messaging, and integrations, out of the box. With in-built visual call management, integrated video conferencing, advanced contact center features, and ready-made SMS, WhatsApp, Microsoft Teams, CRMs, and more platform integrations, P-Series boosts productivity at all levels and provides everything across desktop, mobile, and browser with simple user apps. Available in the Appliance, Software, and Cloud Editions, P-Series provides flexible deployment options, allowing you to have it sited on-premises or in the cloud. Balancing costs and future growth, it requires a lower total cost of ownership, less training, and fewer management efforts. The ease of use and future-proof adaptability are paramount.

3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.

Ultatel stands at the forefront of business communications, empowering organizations with cutting-edge cloud VoIP technology to boost productivity and stay connected with customers anywhere, anytime. Our plans come fully scalable, featuring unlimited HD Voice, SMS, Fax, Chat, Video, and over 40 advanced features and integrations. Experience true transparency with our no-hidden-fees pricing model—what you see is exactly what you pay! Recognized as a Gartner Category Leader and G2 High Performer, Ultatel offers a unified communications platform that evolves with your business. Powered by our innovative FlexScale technology, you can effortlessly adjust your communication needs without any downtime or penalties. Our Award-Winning Customer Support team is here for you 24/7/365, delivering a remarkable 94% first-contact resolution rate. With Ultatel, enjoy the peace of mind that comes with being connected beyond limits.

The leading enterprise cloud-native remote support platform, embedded in ServiceNow, Salesforce, Tanium, and more. Empower your IT Help Desk and Contact Center teams to resolve 32% more issues in the first call. With a sleek UX and multi-channel support, agents launch in a single click with no downloads necessary. Since ScreenMeet is browser-based and embedded in your current CRM and ITSM, your IT Help Desk and Contact Center teams connect in seconds, thanks to our low latency, global cloud infrastructure. Authentication within platforms like Salesforce and ServiceNow ensures credentials adhere to your strict internal password policies, and it’s configurable to let you store data in your cloud in designated geographies. Enterprise-grade security -Built on Amazon Web Services (AWS), the leading cloud solution -Data transmission: TLS and DTLS 1.2+ with AES-256-bit encryption -Authentication with Salesforce & ServiceNow for added security -Store data in your preferred cloud

net2phone is an AI-powered business communication platform for companies serious about customer experience. Trusted by 500,000+ users and backed by 30+ years of experience, net2phone eliminates the friction of scattered channels and disconnected tools, so every conversation drives retention and growth. Unite unifies voice, messaging, video, and chat in one place, with call recording, sentiment analysis, and AI-generated follow-ups. AI Agent automates customer inquiries and workflows across phone and chat in 30+ languages, handing off to humans when needed. Coach AI reviews 100% of interactions to guide agent performance. uContact gives high-volume teams omnichannel routing and real-time dashboards. Every solution integrates with the tools you already use and runs on enterprise-grade security. Beyond software, net2phone provides expert guidance at every step, from setup to integration to ongoing optimization, so your technology delivers measurable results.