User Guide| LQ Series 4.0
13 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.
13.1 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
13.2 Examples of LQ-SIP
13.3
LQ-SIP standalone
LQ-SIP can be used with 2-wire Partyline equipment to connect an external
telephone to your LQ communications system. Use this set up to enable
communication between a telephone user and a Partyline headset (or radio) user.
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