A number of free SIP-based telephony projects are alive and well on the Internet that will provide the SIP proxy server for you to test with.

SIP-compatible servers are designed to allow codecs from competing manufacturers to be compatible with each other. A test using the Mayah SIP server, conducted between WAMU (FM) in the nation’s ...

CyberData’s SIP Paging Server is already a very popular device that enables users through a single SIP phone extension, to access multiple zones for paging in a VoIP network and to connect to ...

RADVISION’s SIP extensions to Live Communications Server are based on the industry-standard SIP for Instant Messaging and Presence Leveraging Extensions (SIMPLE). SIP and SIMPLE provide a rich set of ...

Brekeke Software, developer of SIP software for enterprises and service providers, has today announced the release of a new version of Brekeke SIP Server. With this updated standard release ...

Brekeke is proud to announce the release of Brekeke SIP Server v3.16, featuring substantial performance enhancements. This latest version delivers a remarkable 150 % increase in processing ...