Matrix PRASAR UCS System Manual 1013
To understand how this feature works, consider this illustration:
Here,
• There are two incoming calls, one on the SIP Trunk 1 and other on the SIP Trunk 2 at the same time, but
the SIP Trunks have different priorities set.
• The operator also has incoming calls from extension users which have different priorities set.
• Now, on the Operator extension, which is the landing destination, the incoming calls from the trunks and
the extensions will land in the following chronological order:
• These incoming calls, however, will appear on the Display of Operator’s phone (Extended IP Phone) in the
order of priority:
• SIP Trunk 1
• SIP Trunk 2
• SIP Extension 3001
• SIP Extension 2001
• Now, when the Operator goes Off-hook (pressing speaker key or picking up the handset), the call on SIP
Trunk 1 will be answered first, as SIP Trunk 1 has the highest priority.
• The Operator goes On-hook and then Off-hook, the call on SIP Trunk 2 will be answered. Though SIP
Trunk 2 and SIP Extension 3001 have the same priority, ‘7’, SIP Trunk 2 will be answered first, following
the chronological order.
• When the Operator goes On-hook after answering the call on SIP Trunk 2, the call from SIP Extension
3001 will be placed on the Operator phone with a Priority Ring (configurable; default: Triple Ring).
• Similarly, when the Operator goes On-hook after answering the call from SIP Extension 3001, the call from
SIP Extension 2001 will be placed on the Operator phone with a Priority Ring (configurable; default: Triple
Ring).
Caller Time of the Call Priority
SIP Extension 2001 10:00:05 5
SIP Trunk 1 10:00:10 9
SIP Trunk 2 10:00:10 7
SIP Extension 3001 10:00:15 7
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