ASAI and Call Control

service_circuit

[optional] This parameter must be set to

 

“classifier” if the destination is off-ECS and the

 

trunk access code is contained in the

 

dest_route_select regardless of whether the

 

option “Call Classification after Answer

 

Supervision” is set or not.

 

This parameter is optional if the destination is

 

on-ECS or the trunk access code is included in

 

the dest_addr parameter. If the trunk access code

 

is part of the destination address and no service

 

circuit parameter is included, then answer may not

 

be detected over non-ISDN trunks. This may lead

 

to the call being hung for up to ten minutes if the

 

call is not answered.

return_ack

[optional] If this parameter is present, it indicates

 

that the ECS should return an acknowledgement

 

to the request. If this parameter is not present,

 

then the ECS does not return an

 

acknowledgement.

4-10Issue 7 May 1998

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Lucent Technologies 555-230-220 manual Servicecircuit, Returnack