Introduction & Applies To

Call2Teams - Customers/Partners


Inbound calls are failing because the Source IP does not match expected address.


Issue and Symptoms

Inbound calls fail to be delivered.

Maybe indicated by a 603 decline error and/or a Q850 Reason code: 102


Cause

Source IP is not recognised. Most likely related to PBX's where there is no registration and Source IPs must be provided.


Steps to Resolve

Add the source IP shown in the errant call, to the Source IPs listed in the PBX Configuration Page.


See also: Configuring a Trunk/PBX Service


Disclaimer

Please note Destiny Automate Ltd. (formerly Qunifi Limited) cannot be held responsible for the content of any third-party documentation offered.