Are your SIP Servera connected to one another? Each SIP Server Application object needs to reference the other in the connections tab.
How did you go with this?
See this:
Line 487: @18:28:47.7270 [ISCC] Received from server SIP_Server@SIP_Switch/1: message ISCCEventAuthorizeResponse
Line 487: @18:28:47.7270 [ISCC] Received from server SIP_Server@SIP_Switch/1: message ISCCEventAuthorizeResponse
Line 488: ISCCAttributeResponseCode Not_Configured
Line 489: ISCCAttributeReferenceID 6619138 [00650002]
Line 490: ISCCAttributeTrackingID 6553605 [00640005]
Line 491: @18:28:47.7270 [ISCC] Error: Server SIP_Server@SIP_Switch/1 has rejected the connection. Reconnecting…
Line 492: @18:28:47.7270 [ISCC] [connection 0000000002a41810] disconnected [628]2
I am confused - is one your backup, or are you doing multi^site sharing between the two.