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Top: Computers: Internet: Protocols: SIP

Please only submit Voice over IP websites that specifically, or primarily, relate to the SIP protocol.
The Session Initiation Protocol (SIP) is an application-layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants.

These sessions include Internet telephone calls, instant messaging, multimedia conferences, and multimedia distribution.


Client Software

SIP specific software only in here please.
Suppliers of and resources relating to SIP Client software.

Server Software

SIP server software only please, generic sites should be placed in the main category.
SIP protocol software for running application servers.

Service Providers

SIP only service providers in here please. Sites already listed should be @ linked rather than re-listed.
SIP based VoIP and IM Service Providers.

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Last update: 17:42 PT, Friday, July 9, 2004 - edit