Display the Originator Caller ID for the Forwarding Call via SIP Trunk on P-Series

Applicability

• PBX Model: P-Series
• Firmware version: X.7.0.X or higher

Supporte Scenario

The supported scenarios:

• Originator Caller ==> Any Trunk ==> PBX Extension Forwarding Setting to External Number ==> SIP Trunk ==> Called Party
• Originator Caller ==>Any Trunk ==> Inboud Route direct to External number/Outbound Route ==> SIP Trunk ==> Called Party
• Originator Caller ==> Any Trunk==> IVR - Key Event to Extenral number ==> SIP Trunk ==> Called Party
• Originator Caller ==> Any Trunk==> PBX Extension Transfer the call to External number ==> SIP Trunk ==> Called Party

Procedure

1. Go to the SIP trunk(the one in the supported scenario, written in bold) edit page, enter SIP Header tab/ Outbound Parameters section. 
2. When you select, you can query your SIP trunk provider in advance to check which SIP header they will read to display the the originator caller ID.
3. Select the header you need, and set the value to "Originator Caller ID". You can test 1 by 1 respectively until you get the correct header.

Note for Diversion header

The Originator Caller ID value will only generate in the following scenario:

• Originator Caller ==> Any Trunk ==> PBX Extension Always Forwarding Setting to External Number ==> SIP Trunk ==> Called Party
• Originator Caller ==> Any Trunk==> PBX Extension Blind Transfer(by feature code *03) the call to External number ==> SIP Trunk ==> Called Party

Disclaimer

Not All SIP trunk provider can support the Above scenario. If it doesn't work, usually it's not PBX side issue. The problem can be the provider doesn't support to read the number to display.

If you have doubts, ou can try post us the pcap log for us to confirm if PBX had sent the originator caller ID number when you reproduce the issue. Here is the guide how to get the pcap log: How to Get PCAP Dump Capture