Browse free open source C SIP Servers and projects below. Use the toggles on the left to filter open source C SIP Servers by OS, license, language, programming language, and project status.
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Create IT quote templates, automate workflows, add integrations & price catalogs to save time & reduce errors on manual data entry & updates.
ConnectWise CPQ, formerly ConnectWise Sell, is a professional quote and proposal automation software for IT solution providers. ConnectWise CPQ offers a wide range of tools that enables IT solution providers to save time, quote more, and win big. Top features include professional quote or proposal templates, product catalog and sourcing, workflow automation, sales reporting, and integrations with best-in-breed solutions like Cisco, Dell, HP, and Salesforce.
OpenSIPS (former OpenSER) is an GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms.
IMPORTANT: this is no longer the main hosting for the project. This was moved on GITHUB - https://github.com/OpenSIPS/opensips
sipsak is a command line tool which can send simple requests to a SIP server. It can run additional tests on a SIP server which are usefull for admins and developers of SIP enviroments.
Note: the project is maintained on GitHub https://github.com/nils-ohlmeier/sipsak
The FCP deamon controls the netfilter (linux 2.4) firewall of the localhost by parsing its own protocol. The main purpose of this deamon is to support application level gateways (especially SIP server) to bypass firewall and NAT.
KAMAILIO (OpenSER) - robust, secure and scalable Open Source (GPL) SIP (RFC3261) server implementation with large features set (over 90 extension modules). As of May 2009, source code is hosted by GIT repository at http://sip-router.org
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