Alternatives to MicroSIP
A lightweight open-source SIP softphone for Windows that makes voice and video calls through SIP providers. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
MicroSIP
A lightweight open-source SIP softphone for Windows that makes voice and video calls through SIP providers.
Replacements
Listings that take over the same core job as MicroSIP.
Linphone
An open-source SIP softphone for voice and video calls on desktop and mobile.
Linphone is an open-source SIP softphone with builds for Windows, macOS, Linux, Android and iOS, and the project offers a free SIP service.
Zoiper
A SIP softphone for making VoIP voice and video calls through a PBX or SIP provider.
Zoiper runs natively on Windows, macOS, Linux, Android and iOS with call encryption and CRM integration, but it is proprietary with some paid features.
Baresip
A portable, modular SIP user agent for audio and video calls, run from the command line.
Baresip is an open-source command-line SIP user agent with SRTP and ZRTP and unlimited accounts, but offers no graphical interface in its core program.
Jami
A fully peer-to-peer communication platform with no servers relaying your data and no personal information needed to sign up.
Jami includes a SIP client with peer-to-peer messaging, video conferences and screen sharing, running on Windows, macOS and Linux.
Similar software
Related functionality, not a direct replacement.
Asterisk
An open-source telephony server for building your own PBX and VoIP phone systems.
FreeSWITCH
A self-hosted software telephony platform for voice, video and chat that runs on commodity hardware.
FusionPBX
A self-hosted web interface and platform for running a multi-tenant PBX on FreeSWITCH.
3CX Free Basic
A free edition of the 3CX business phone system for up to 10 users on your own infrastructure.
Cheogram
An Android XMPP client that links chat with phone numbers, SMS and calls through pluggable routes.