SIP protocol design. SIP is an Internet Engineering Task Force (IETF) protocol and as such, it was designed to be an open Internet protocol. Its first release was in 1999, ...

SIP is a protocol similar to HTTP that merely defines how two end-points find one another and exchange the information necessary to establish a session. But SIP, like HTTP, ...

As was clear from last week's ITEXPO in Los Angeles, SIP is shaping up to be the standard replacement protocol for the traditional TDM / SS7 network. SIP trunking starts to make it possible to ...

He pointed to Session Initiation Protocol, or SIP, a standard that establishes connection between two internet or IP connected devices such as two telephones. “For broadcasters, SIP provides ...

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 ...

Voice over IP offers clear benefits over PSTN calling, but the hardware has been over-complex and difficult to set up. We examine five VoIP phones that you might want on your LAN.

SIP digest authentication is part of the RFC3261 SIP specification. Cisco SIP based phones have SIP extensions that use the SIP protocol for Cisco proprietary operations like registering a Cisco ...

Major players in the Session Initiation Protocol (SIP) trunking services market are 8x8 Inc. , Verizon Communications, 3CX, AT&T Inc, Bandwidth, BT Group plc, CenturyLink, Colt Inc. , ...

Although you mention RFC 2543, implying that there's a "standard" for SIP, for those of us who work in the SIP arena, we can tell you with certainty: There is *no* standard for SIP. Every ...