364 Matrix PRASAR UCS System Manual
Incoming Calls
• Treat Incoming calls as: If you select Peer-to-Peer as the SIP Trunk mode, you may configure the trunk
to Treat Incoming call as: Trunk or Station.
If you select Trunk, the incoming calls will be routed as per the Trunk Feature Template assigned to the
SIP Trunk.
If you select Station, the system will route the incoming call as follows:
• When only number is received in the “To:” field or the Request URI (configurable, default: Request
URI) of the INVITE message, PRASAR UCS will check the number in the Closed User Group Table. If
a match is found in the CUG table the call will be routed as per the corresponding Outgoing Trunk
Bundle Group.
• If the CUG Table is not configured or if no match is found for the number received in the “To:” field of
the INVITE message, the system will check if there is an extension number that matches with the
number received in the “To:” field of the INVITE message. If a match is found the call is routed to the
desired extension number.
• When a Trunk Access Code and a number is received in the “To:” field of the INVITE message, the
system will route the call as per the Outgoing Trunk Bundle Group assigned in the Template of the SIP
Trunk.
By default, Trunk is selected.
• If Station is selected as the option for Treat Incoming call as, the user will only be able to:
• Dial Flexible Numbers
• Dial Operator Code
• Dial Trunk Access Code for making outgoing calls
• Access the Global Directory
• Make calls within the Closed User Group
• Fetch Called Party Number From: PRASAR UCS extensions may be assigned DDI numbers provided by
the ITSP. When INVITE is received from ITSP, the ITSP may send the DDI number either in the “Request
URI” of the INVITE message or in the “To:” field of the INVITE message.
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