Nextiva vs. Siit Comparison


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		Related Products ULTATEL 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. 115 Ratings Visit Website Yeastar P-Series PBX System 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. 116 Ratings Visit Website TollFreeForwarding Activate your new international phone number in 60 seconds. Choose from phone numbers in over 120+ countries and 1,000 cities. Forward your calls to any phone number in the world. Robust scheduling options allow you to route your calls based on the days and hours of your business. Route your calls to your main call center during business hours and to voicemail during non-business hours. Instantly view detailed information about calls made to your TollFreeForwarding phone number. Learn about your customers' call habits to help make decisions about outbound sales and follow-up. Keep track of your calls by recording all or some of your calls. Recorded calls are stored in call detail records and can be played or downloaded at any time. 3,231 Ratings Visit Website 800.com 800.com is a business phone and call tracking platform that helps small and growing businesses understand, manage, and respond to inbound calls more effectively. The platform provides local and toll-free numbers, call tracking, call recording, voicemail, SMS, and detailed call reporting so teams can see where calls come from and how they’re handled. Businesses use 800.com to track phone leads across websites, ads, social media, and offline marketing, improve response times, and follow up on missed calls. With integrations for Google Ads, GA4, Meta, Microsoft Ads, and popular CRMs, 800.com connects call data to marketing and sales workflows. The platform is easy to set up, flexible as businesses grow, and designed to turn phone calls into clearer insights and better customer experiences. 2,436 Ratings Visit Website Intermedia Unite Intermedia Unite® brings business communications, collaboration, and customer engagement into one easy-to-use platform—keeping teams connected, productive, and responsive from anywhere. It replaces fragmented tools by combining business phone service, video conferencing, team chat, and file sharing into one seamless experience, so employees can collaborate without switching apps. Unite delivers enterprise-grade calling with 100+ features, integrated customer engagement, and enhanced Microsoft Teams experiences. With mobile and desktop apps, users can call, meet, message, and engage customers from anywhere while maintaining a consistent business identity. AI-powered transcription, summaries, and insights help teams capture details and follow up efficiently. Backed by 99.999% uptime and J.D. Power-certified support, Unite ensures reliable performance—resulting in simpler communications, more productive teams, and better customer engagement. 1,634 Ratings Visit Website 3CX 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. 1,237 Ratings Visit Website net2phone 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. 197 Ratings Visit Website Aircall Aircall is an AI-powered customer communications and intelligence platform that unifies phone, messaging, and call center operations. Designed for sales and support teams, it enhances every interaction with features like AI Voice Agents, real-time conversation coaching, and integrated WhatsApp messaging. With powerful analytics, call recording, and shared inboxes, teams gain clarity and can resolve customer issues faster. The platform is easy to set up, offering quick number claiming, seamless integrations, and customizable workflows. Trusted by over 23,000 companies worldwide, Aircall helps businesses improve connection rates, boost CSAT scores, and streamline onboarding. By combining automation with human-first AI, Aircall reduces busywork so teams can focus on building better customer relationships. 1,838 Ratings Visit Website Squaretalk 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. 314 Ratings Visit Website PBXware 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. 39 Ratings Visit Website
About Nextiva is an AI-powered Unified Customer Experience Management (Unified-CXM) platform that helps businesses acquire, retain, and grow customers through seamless, personalized interactions. It unifies voice, chat, messaging, social, email, video, and reviews into one platform, eliminating silos and improving collaboration across teams. With patented customer journey orchestration, companies gain real-time insights and automate workflows that improve customer retention while lowering costs. Built-in AI and automation simplify self-service, optimize agent productivity, and deliver measurable efficiency. Nextiva’s workforce engagement tools reduce attrition, boost performance, and connect front-line employees with back-office teams. Trusted by thousands of innovative companies worldwide, and recognized as a Strong Performer in Gartner’s 2025 “Voice of the Customer” CCaaS report, Nextiva is redefining how businesses deliver meaningful customer experiences.	About Deliver great service experiences to your employees. Support, engage and communicate with your employees at scale. Improve your operations and stay human. Maximize your team's productivity without sacrificing employee experience. The perfect combination of automation and human support to build employee relationships. Speed and scale employee services for any company size. Simple, intuitive, and modern ITSM. From requests to automation, one platform to manage your IT operations. Eliminate admin burden and be loved by your employees! Onboard, support & engage with your employees from one platform. Support your reps for more efficiency and speed up the pace of closing! Easily integrate with all your tools to collect insights and pave the way for a more satisfying employee experience. Automate manual work and analyze your actions. Siit helps you take control of your employee experiences.
Platforms Supported Windows Supported Mac Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Nextiva is ideal for enterprises and growing businesses seeking a unified, AI-powered platform to optimize customer journeys, boost workforce productivity, and deliver exceptional experiences across every channel	Audience HR teams seeking a solution to build meaningful and lasting relationships with their employees
Support Phone Support Supported 24/7 Live Support Supported Online Supported	Support Phone Support Supported 24/7 Live Support Supported Online Supported
API Offers API Not Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $19.95 per month Free Version Not Supported Free Trial Supported	Pricing €45 per month Free Version Not Supported Free Trial Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Supported In Person Supported	Training Documentation Supported Webinars Not Supported Live Online Supported In Person Not Supported
Company Information Nextiva Founded: 2008 United States www.nextiva.com	Company Information Siit France www.siit.io
Alternatives Zoom Phone Zoom Communications	Alternatives Sogolytics
3CX	Jira Service Management Atlassian
Intermedia Unite Intermedia	Gaspar AI
MightyCall	ServiceNow
Phone.com View All	Ambit View All
Categories Business Phone Systems Supported Business VoIP Supported Call Center Supported Call Center Infrastructure (CCI) Supported Call Forwarding Supported Cloud Communication Platform Supported Cloud PBX Supported Contact Center as a Service (CCaaS) Supported Contact Center Quality Assurance Supported Help Desk Supported Live Chat Supported SIP Trunk Supported Telephony Supported Toll Free 800 Number Supported UCaaS Supported Unified Communications Supported Vanity Phone Number Supported Virtual Phone Number Supported	Categories Help Desk Supported
Show More Features Business Phone Systems Features Call Logging Supported Call Monitoring Supported Call Recording Supported Call Routing Supported Employee Directory Not Supported IVR / Voice Recognition Supported Mobile Access Supported Virtual Call Center Not Supported Web Conferencing Supported Business VoIP Features Call Parking Supported Call Recording Supported Contact Management Supported Encryption Supported IVR / Voice Recognition Supported Ring Groups Supported SIP Trunking Supported Unified Communications Supported Voice Quality Enhancement Supported Cloud PBX Features Call Recording Supported Call Routing Supported IVR / Voice Recognition Supported Ring Groups Supported SIP Trunking Supported Virtual Extensions Supported Web Conferencing Supported Live Chat Features Canned Responses Supported Customizable Branding Not Supported Geo Targeting Not Supported Offline Form Supported Proactive Chat Supported Screen Sharing Not Supported Third Party Integration Supported Transfers / Routing Not Supported Website Visitor Tracking Not Supported SIP Trunk Features Automatic Fail-over Routing Supported Call Data Records Supported Caller ID Supported Disaster Recovery Not Supported e911 Supported International Numbers Not Supported Multiple DID Options Supported PSTN Forwarding Supported Toll-Free Numbers Supported Telephony Features Auto-Dialer Supported Call Center Management Supported Call Monitoring Supported Contact Management Supported Inbound Reporting Supported IVR / Voice Recognition Supported Outbound Reporting Supported Predictive Dialer Supported Telemarketing Management Supported Voice & Data Integration Supported VoIP Supported Unified Communications Features Audio / Video Conferencing Supported Calendar Management Supported Call Recording Supported Call Routing Supported Chat / Messaging Supported Fax Management Supported File Sharing Supported Mobile Access Supported Multi-User Collaboration Supported Voice Mail Supported
Integrations Active Directory Supported Okta Supported Rippling Supported ADP Workforce Now Not Supported AbacusLaw Supported Agency Matrix Supported Bitrix24 Supported Confluence Not Supported Factorial Not Supported Flip Supported Google Workspace Not Supported Humhealth Supported Liine Supported Lucca Not Supported Microsoft 365 Not Supported Nextiva XBert Supported SalesStreamliner Supported Salesforce Supported Tenfold Supported Workday Extend Not Supported Show More Integrations View All 21 Integrations	Integrations Active Directory Supported Okta Supported Rippling Supported ADP Workforce Now Supported AbacusLaw Not Supported Agency Matrix Not Supported Bitrix24 Not Supported Confluence Supported Factorial Supported Flip Not Supported Google Workspace Supported Humhealth Not Supported Liine Not Supported Lucca Supported Microsoft 365 Supported Nextiva XBert Not Supported SalesStreamliner Not Supported Salesforce Not Supported Tenfold Not Supported Workday Extend Supported Show More Integrations View All 27 Integrations
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