Alternatives to Routr
A lightweight SIP proxy, location server and registrar designed to run on Docker and Kubernetes. Notes say what changes if you switch.
The original
Routr
A lightweight SIP proxy, location server and registrar designed to run on Docker and Kubernetes.
9 alternatives
Most similar to Routr first.
OpenSIPS
An open-source SIP proxy and signaling server for voice, video, messaging and presence services.
OpenSIPS is a GPL-2.0 SIP proxy covering roles from PBX to load balancer, with documentation and config samples but a steeper learning curve than Routr.
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.
Kamailio
Open-source SIP server for building large VoIP, WebRTC, presence and instant messaging platforms.
Kamailio is a GPL-2.0 SIP server with extensive routing, load balancing and WebRTC support, handling far higher volumes but requiring solid SIP knowledge to configure.
Flexisip
A modular SIP server suite with a proxy, push notifications, presence and back-to-back user agent.
Flexisip is an AGPL-3.0 SIP server suite adding presence, a B2BUA and a mobile push gateway, aimed especially at Linphone users rather than container-first deployments.
Baresip
A portable, modular SIP user agent for audio and video calls, run from the command line.
Wazo Platform
An open-source platform for building programmable IP telephony with calls, chat, conferences and call centres.
Yeti Switch
An open-source Class 4 softswitch and SIP session border controller with built-in real-time VoIP billing.
Yeti Switch is a GPL-2.0 Class 4 softswitch and SBC with built-in real-time billing and least-cost routing, aimed at carriers and complex to operate.
FusionPBX
A self-hosted web interface and platform for running a multi-tenant PBX on FreeSWITCH.
