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Tele-Communication (Telecom) Terms Glossary and Dictionary
SIP-T: SIP for Telephones
Session Initiation Protocol (SIP) for Telephones (SIP-T), previously known as SIP-BCP-T, is a mechanism that uses SIP to facilitate the interconnection of the PSTN with IP. SIP-T allows traditional IN-type services to be seamlessly handled in the Internet environment. It is essential that SS7 information be available at the points of PSTN interconnection to ensure transparency of features not otherwise supported in SIP. SS7 information should be available in its entirety and without any loss to the SIP network across the PSTN-IP interface. SIP-T defines SIP functions that map to ISUP interconnection requirements.
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