Glossary:

ATIS Telecom Glossary

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transfer restricted (TFR)

A procedure included in the signaling route management (functionality) that is used to inform a signaling point of the restriction of a signaling route. [T1.234-1993]

transfer syntax

That concrete syntax used in the transfer of data between open systems. [T1.208-1989]

transit delay

Between two given points in an integrated services digital network (ISDN), the time between the moment that the first bit of a data unit, such as a frame or block, passes the first given point and the moment that bit passes the second given point, plus the transmission time of the data unit.
Note: Transit delay is defined only between… (Read More →)

Transit Function

As described in 3GPP TS
2
3. 228, a Transit Function may be used by an Application Server (AS) if the AS does not support routing capabilities. Under these circumstances, an AS may forward an originating request to the Transit Function and the Transit Function will route the session initiation request to the destination.3GPP allows the Transit Function to reside… (Read More →)

Transit Function (TRF)

As described in 3GPP TS
2
3. 228, a Transit Function may be used by an Application Server (AS) if the AS does not support routing capabilities. Under these circumstances, an AS may forward an originating request to the Transit Function and the Transit Function will route the session initiation request to the destination.3GPP allows the Transit Function to reside… (Read More →)

transit network identification

A network service feature that specifies the sequence of networks used to establish or partially establish a virtual circuit.

transit node

A node that interfaces with other nodes, and does not directly interface with customer equipment. [T1.101-1999]

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