Ascotel IntelliGate 2025/2045/2065
Part 2 Call Routing 331
System configuration
Tab. 2.62: Transferring Call Forwarding Unconditional to the exchange: Settings
5.5.3 Three-Party Connections in the Exchange
A locally implemented three-party connection with two external subscribers takes
up two B channels.
In point-to-multipoint operation the system can be configured so that the node
of such a three-party connection is transferred from the PBX to the public net-
work, thereby freeing up at least one B channel and PBX resources. To do so the
system accesses the supplementary services of the network provider.
The subscribers themselves are not aware of this process.
The following PBX features can be transferred to the exchange:
Tab. 2.63: Supplementary services take charge of features transferred to the exchange
Parameter Parameter value
Subscriber configuration:
• Exchange access authorization yes
• Rerouting in the Exchange yes
Trunk group configuration:
• Rerouting in the Exchange yes
• PSTN supports "Identity of charge" yes
1)
1)
If the parameter configuration is "Yes", the PBX also sends the call charge
identity when call forwarding to the exchange is transferred. This ensures that
call charge information is correctly logged in the PBX. The parameter setting
depends on whether or not the network operator supports "Charge Identity".
• Network type Public
• Protocol DSS1
Call distribution element:
• Destination Subscriber
PBX feature Supplementary service Feature description
Hold Hold see page 460
Enquiry call Inquiry Call see page 460
Brokering Brokering see page 462
Call transfer (with or without prior notice) Explicit Call Transfer see page 467
Call back
(only after call transfer with prior notice)
Recall see page 504
Three-party conference Three-Party Conference see page 464
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