tSIP Alternatives [Page 3]

MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.

Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

CommPeak’s Hosted Cloud IP-PBX is a web-based highly customizable and feature-rich solution - the ideal, low-cost solution for an enterprise of all sizes.

Free high quality video chat and video conferencing from ooVoo.

Seamless Real-Time Chat Integration for Your Applications.

Open Source freemium $109.0 / Monthly (Based on the Monthly Active Users (MAUs))

Acrobits Softphone, an app for entry into the world of SIP.

An open source telephony switching and private branch exchange service for Linux.

Open Source

Cross-platform VoIP softphone dialer for SIP and IAX systems

Telephone is a VoIP program which allows you to make phone calls over the internet.

Brings voice and messaging to your web and mobile applications.

Open Source

Game Pigeon allows you to have fun with friends by playing a collection of exciting multiplayer video games via iMessage.

PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Bicom Systems’ softswitch is offered in the Business, Call Center and Multi-Tenant Editions each supporting specific features.

White-label softphone platform where you can create, test and deploy mobile and WebRTC endpoints in less than 30 minutes.