Cisco Webex Calling is a cloud‑based PBX that offers voice, video, and messaging for businesses of all sizes. Below is a curated list of 20 alternative telephony platforms that provide comparable or complementary voice‑over‑IP (VoIP) features, ranging from full‑featured unified communications suites to lightweight business phone systems.
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Comprehensive cloud phone system with unlimited calling, SMS, video meetings, and robust integrations for CRM and productivity tools.
Integrated cloud phone solution built into the Zoom ecosystem, offering call routing, auto‑attendant, and global PSTN connectivity.
Enterprise‑grade VoIP service embedded in Microsoft Teams, supporting call queues, voicemail, and direct routing to existing PSTN carriers.
Unified communications platform with voice, video, chat, and contact‑center capabilities, plus analytics and AI‑driven insights.
Scalable cloud PBX offering voice, messaging, video, and API‑first integrations for CRM, ERP, and custom workflows.
All‑in‑one business communication suite with VoIP calling, auto‑attendant, call analytics, and a built‑in CRM.
AI‑enhanced cloud phone system that provides real‑time transcription, sentiment analysis, and seamless integration with G Suite and Microsoft 365.
Small‑business focused VoIP service with virtual receptionist, mobile app, and easy‑to‑manage hardware options.
Virtual phone system for entrepreneurs and startups, offering toll‑free numbers, call forwarding, and voicemail transcription.
On‑premise or cloud‑hosted PBX solution with softphone apps, video conferencing, and extensive SIP trunk compatibility.
Cloud‑based unified communications platform delivering voice, video, and collaboration tools with strong enterprise security.
Unified communications as a service (UCaaS) that combines voice, video, messaging, and contact‑center features on a single cloud platform.
Enterprise‑grade UCaaS offering cloud phone, video meetings, and team messaging with advanced analytics and compliance tools.
Formerly Jive, this cloud PBX provides call handling, auto‑attendant, and integration with GoToMeeting and GoToWebinar.
Call‑center oriented cloud phone system with omnichannel support, real‑time dashboards, and CRM integrations.
Formerly Freshcaller, a cloud‑based phone system with inbound/outbound calling, IVR, and seamless tie‑in with Freshdesk ticketing.
Modern cloud phone solution built for support and sales teams, featuring click‑to‑dial, call routing, and integrations with HubSpot, Salesforce, and more.
AI‑powered cloud contact‑center platform that also offers a robust business phone system with omnichannel capabilities.
Flexible VoIP service with customizable plans, virtual numbers, and features like call recording, fax, and SMS.
Programmable contact‑center platform that lets developers build bespoke VoIP experiences using Twilio's communications APIs.