Nortel Meridian Meridian 1 Feature Description And Administration page 1614

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Figure 174
NAS/TAT interworking
Station A
Station B
553-2901-301 Standard 9.00 January 2002
Trunk Anti-Tromboning
Meridian 1
Node 2
Network Call Pickup
The TAT feature will optimize tromboned trunks arising from the operation
of the Network Call Pickup feature. For example, in Figure 175, Station A on
Node 1 makes a call to Station B on Node 2 over a PRI/ISL/VNS or analog
trunk. The call is picked up by station C on Node 1, over a separate
PRI/ISL/VNS or analog trunk. After the call has been picked up, TAT will
apply antitromboning to release the two tromboned PRI trunks. Station A and
Station C are connected locally. Refer to Figure 176.
Meridian 1
Station C
Node 1
Station D
PRI
NAS/TAT
Meridian 1
Station C
Node 3
553-7754.EPS