Session Initiation Protocol (SIP) connectivity

LQ 4.0 and above.

With LQ-SIP you can connect external telephones lines into your intercom system, expanding the reach of your communications.

You must purchase a license to use SIP connectivity. Contact your Clear-Com dealer for more information.

What is SIP?

SIP is an application layer (signaling) protocol defined by the Internet Engineering Task Force (IETF) in 2002. It is used for creating, modifying and terminating sessions for voice, video and instant messaging (IM) for one or more participants.

SIP User Agents

• SIP client: makes and terminates requests

• SIP server: accepts and administrates requests