SIP session requests leverage the “session description protocol (SDP)” to define session characteristics such as media type, codec, and so on. While the IETF and SIPforum have standardized many of the ...

Session initiation protocol (SIP)-based voice-over-IP (VoIP) designs certainly provide some interesting benefits over today's Class 5 switching systems. SIP enables capabilities like presence, instant ...

【SIPの仕組み】SIP：VoIPなどで使われるテキストベースのセッション管理プロトコル VoIP普及の勢いは増すばかりだが、いっぽうで相互接続・運用のために必要となるプロトコルのほうは、いまだ決定的といえるほど収束していないのが現状だ。 これまで ...

Codec manufacturer APT announced that its IP codecs — the Horizon, Meridian, Eclipse and Oslo lines —support SIP/SDP protocols. This will allow APT’s IP codecs to communicate with codecs made by other ...

Update: We're in the last throes of winter break 2019, which means most Ars' home office phones can stay dormant for a few more days. As such, we've been resurfacing a few classics from the ...

GL Communications Inc.'s enhanced SIP Protocol Emulator referred to as MAPS™ SIP Protocol Emulator helps users to generate and receive SIP. This press release is for MSRP Protocol Emulation for ...

This specification defines a new Session Description Protocol (SDP) Grouping Framework extension called 'BUNDLE'. The extension can be used with the SDP offer/answer mechanism to negotiate the usage ...

LONDON, Oct. 20, 2021 (GLOBE NEWSWIRE) -- According to The Business Research Company’s market research report, the reduction in communication costs is contributing to the growth of the SIP trunking ...

A bug in a Realtek software development kit (SDK) means any third party devices with software that uses the SDK could inherit a vulnerability in their Session Initiation Protocol (SIP) implementations ...