Nortel Meridian Meridian 1 Feature Description And Administration page 1591

Figure 155
Results of anti-tromboning for network call transfer, DMS/M1
Station C
Station A
3 Station C and A
are bridged
1
Station C
answers call
Trunks
released
by RLT
M1
Originating
node
Anti-tromboning operation for Call Modification, Meridian 1
interworking with Meridian 1
In Figure 156, the following case is represented for TAT as applied to a Call
Modification scenario, with Meridian 1 interworking with Meridian 1 (in the
example, a case of a call transfer is used.)
• Station A, located at an originating Meridian 1 node, makes an internodal
call through a tandem Meridian 1 node to Station B located at a
terminating Meridian 1 node (first call);
• Station B, located at a terminating Meridian 1 node, answers the call and
initiates a call transfer, through the tandem Meridian 1 node, to Station
C located at the originating Meridian 1 node (second call);
• Station C answers;
• Station B completes call transfer.
International ISDN PRI Feature description and administration
Trunk Anti-Tromboning
Trunks
2
released
by TAT
DMS
Tandem
node
Page 1591 of 1814
Station B
M1
Terminating
node
553-7734.EPS