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The SIP Trunk module is designed to connect IP-PBX's and other SIP endpoints (phones) to Internet Telephony Service Providers by acting as a B2BUA (Back-To-Back User Agent) with one interface to the ITSP and the other to the IP-PBX and SIP phones. The ITSP interface is called SIP Trunk and the protocol used on both interfaces are SIP. The main function performed by this module is to provide a demarcation point where all communication on the SIP trunk behaves in a predictable way regardless of what equipment connects on the PBX interface. | The SIP Trunk module is designed to connect IP-PBX's and other SIP endpoints (phones) to Internet Telephony Service Providers by acting as a B2BUA (Back-To-Back User Agent) with one interface to the ITSP and the other to the IP-PBX and SIP phones. The ITSP interface is called SIP Trunk and the protocol used on both interfaces are SIP. The main function performed by this module is to provide a demarcation point where all communication on the SIP trunk behaves in a predictable way regardless of what equipment connects on the PBX interface. | ||
- | ^ You might need to purchase a [[:license]] to be able to use SIP Trunks in your unit. ^ | + | ^ :!: You might need to purchase a [[:license]] to be able to use SIP Trunks in your unit. ^ |
| Without SIP Trunk license the [[web GUI:SIP Trunk]] page is not functional. | | | Without SIP Trunk license the [[web GUI:SIP Trunk]] page is not functional. | | ||
===== Configuration ===== | ===== Configuration ===== | ||
SIP Trunks are configured on the [[web GUI:SIP Trunk]] page. | SIP Trunks are configured on the [[web GUI:SIP Trunk]] page. | ||
+ | To make an outgoing call use the SIP Trunk module the [[web GUI:SIP Switch#Dial Plan]] on the [[web GUI:SIP Switch]] page is used. | ||
===== Interoperabilty ===== | ===== Interoperabilty ===== |