SIP Servers, Proxys and Gateways
See also:
Siemens SIP-Gateway V5.2
Siemens Switzerland has developed a SIP/H.323 Gateway (Interworking Unit) for PRI and BRI PSTN access. With this software you will be able to make audio calls between SIP and H323, H323 and PSTN, as well SIP and PSTN.
All you need to evaluate this software is an ISDN card that supports the CAPI2.0 drivers.
Siemens SIP Proxy / Registrar V0.9
New Proxy/Registrar server from Siemens. This server expands the range of SIP products developed by Siemens Switzerland and allows to build a full-featured Voice Over IP system suitable also for small/medium size companies.
Siemens SIP AutoStreamer
The SIP AutoStreamer is a multipurpose server application based on the SCS Client platform. This application can work as a simple multimedia SIP server or as a special tele-lecture application.
As multimedia server you can establish up to 12 simultaneous audio/video calls and try out the add/remove media facility.
As telelecture (or conference server) you can make an audio/video conference with up to 12 participants.
CINEMA (Columbia InterNet Extensible Multimedia Architecture) is a set of SIP-based Internet multimedia servers for creating an enterprise Internet telephony and multimedia system.
Hotfoon is distributed free of cost and the basic service (of talking with other Hotfoon users is free of charge). We charge for calls made to regular phone numbers through Hotfoon and for other value added services.
Partysip is an implementation of a SIP proxy server.
SIP Express Router (ser) is a high-performance, configurable, free SIP ( RFC3261 ) server . It can act as SIP registrar, proxy or redirect server. SER features an application-server interface, presence support, SMS gateway, SIMPLE2Jabber gateway, RADIUS/syslog accounting and authorization, server status monitoring, FCP security, etc. Web-based user provisioning, serweb, available.
VOCAL (The Vovida Open Communication Application Library) is an open source project targeted at facilitating the adoption of VoIP in the marketplace. VOCAL provides the development community with software and tools needed to build new and exciting VoIP features, applications and services. The software in VOCAL includes a SIP based Redirect Server, Feature Server, Provisioning Server and Marshal Proxy. This is the stable development branch of the VOCAL.
HOWTO: VoIPv6 on Linux with VOVIDA - A tutorial for setting up and running VOVIDA on an IPv6-enabled Linux server. Plus, how they ported an existing IPv4 application to support IPv6.
See also:
+ Codecs
+ Developers Programs and Community sites
+ Free SIP and ENUM Services
+ Commercial Service Providers
+ SIP Parsers and Stacks
+ Other Stacks, RTP Applications, code and bits and pieces
+ SIP and DNS
+ Testing Tools
+ Robustness testing
+ SIP Client Software, User Agents, Source Code
+ SIP Servers, Proxys and Gateways
+ SIP Drafts and RFC's
+ SIP Center links pages
+ Commercial SIP Products & Service Providers