Top 30 Telephony Software

Curated list of the top 30 telephony platforms for VoIP, call‑center, and unified communications, covering cloud services, APIs, and on‑premise solutions.

Featured Offers
Verified Options & Solutions
#2 Twilio

Scalable cloud communications API enabling voice, SMS, and video integration for apps and enterprises.

All‑in‑one cloud phone system with PBX, video meetings, messaging, and contact‑center capabilities.

Business phone system built into Zoom, offering VoIP calling, call routing, and voicemail across devices.

Unified communications suite combining voice, video, chat, and contact‑center tools for remote teams.

Cloud‑based PBX with integrated messaging, video, and CRM connectors for small‑to‑mid‑size businesses.

Enterprise‑grade cloud phone system delivering SIP trunking, call control, and integration with Webex meetings.

Microsoft Teams add‑on that provides PBX‑style calling, call queues, and PSTN connectivity.

Contact‑center as a service platform offering AI‑driven routing, omnichannel support, and analytics.

Cloud‑hosted PBX with advanced call handling, mobile integration, and analytics for distributed workforces.

VoIP phone system with auto‑attendant, call recording, and CRM integrations designed for SMBs.

Virtual phone system for entrepreneurs, offering toll‑free numbers, call forwarding, and voicemail transcription.

#13 Dialpad

AI‑powered cloud phone system with voice intelligence, real‑time transcription, and seamless device switching.

Formerly Freshcaller, this cloud call‑center solution provides omnichannel routing, analytics, and easy integration with Freshdesk.

#15 Aircall

Modern cloud‑based call center software with click‑to‑dial, integrations, and collaborative call handling.

Formerly Jive, a cloud PBX offering call routing, auto‑attendant, and mobile/desktop apps for teams.

Software‑based PBX that runs on Windows, Linux, or in the cloud, supporting video conferencing and CRM plugins.

Small‑business VoIP solution with a simple hardware appliance, virtual receptionist, and mobile app.

#19 Phone.com

Flexible cloud phone service offering customizable plans, SIP trunking, and integration with popular CRMs.

#20 Talkdesk

Enterprise contact‑center platform with AI routing, omnichannel support, and extensive analytics.

Comprehensive cloud CX suite delivering voice, chat, email, and AI‑driven routing for large contact centers.

Scalable cloud call‑center software featuring predictive dialing, workforce management, and AI insights.

#23 CallRail

Call tracking and analytics platform that provides dynamic number insertion, call recording, and attribution reporting.

All‑in‑one call tracking, routing, and analytics solution with CRM integration and marketing attribution.

#25 Plivo

Communications API platform enabling voice and SMS capabilities for developers and enterprises.

Programmable voice and messaging APIs for building custom telephony experiences.

#27 Bandwidth

Carrier‑grade voice API offering programmable calling, SIP trunking, and number provisioning.

#28 Telnyx

Cloud communications platform providing voice API, SIP trunking, and real‑time call control.

#29 VoIP.ms

Low‑cost SIP trunking and hosted PBX service popular with small businesses and tech‑savvy users.

#30 Ring.io

Developer‑focused voice API platform offering call routing, conferencing, and programmable IVR.

On‑premise call‑control platform delivering PBX features, video, and collaboration for large enterprises.

#32 Zoiper

Cross‑platform softphone client supporting SIP, IAX, and multiple VoIP providers with advanced call features.

Enterprise‑grade on‑premise PBX with advanced call handling, mobility, and integration options.

Cloud contact‑center solution built on RingCentral’s platform, offering AI routing, analytics, and omnichannel support.

AI‑enhanced call‑center add‑on for Dialpad, providing real‑time insights, queue management, and omnichannel routing.

Software that turns Jabra headsets into a full-featured softphone, integrating with major VoIP platforms.