Session Initiation Protocol (SIP), with its promise of serving as a single global signaling standard, has mushroomed in importance for networking in the past year. But it may be years from adoption ...

Whether you are working with Avaya, Cisco, Microsoft, or BroadSoft, you will encounter proxies, registrars, and back-to-back user agents. Enterprise Connect is a just a month away, and I am in the ...

Session Initiation Protocol (SIP) is a control (signaling) protocol developed by the Internet Engineering Task Force (IETF) to manage interactive multimedia IP sessions including IP telephony, ...

In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...

WAYNE, N.J. — SIPfoundry, a group pushing open-source SIP implementations, has released a binary version of a SIP PBX/proxy server architecture that designers can download and implement in their ...

Although many enterprises are eager to adopt SIP, they see their legacy PBX systems as a roadblock to the cost savings and enhanced applications that SIP would bring. This paper outlines how to ...

The session initiation protocol (SIP) is one of the most popular signaling protocols used in applications that require a session setup and parameter negotiation before actual communication, as well as ...

Since there is no automatic TFTP configuration file download functionality to SIP third party clients, the SIP third party client must be configured with a SIP proxy server address of CUCM’s IP ...

INDIANAPOLIS--(BUSINESS WIRE)--Interactive Intelligence Group Inc. (Nasdaq: ININ), a global provider of unified IP business communications software and services, has released Interaction Edge ™, a ...

In Part 1 of our SIP primer, I covered the SIP foundation layers starting from the message structure and ending with the SIP transactions. We saw how phone registrations and proxies could work using ...