I see an issue in Cisco subscribing to external resource,Here's the issue and the sets
1. BLF SD created as 11113001
2. Create Trunk "ExternalTrunk" with destination sipp server(184.108.40.206)
3. Route plan 1111XXXX is created and "ExternalTrunk" is assigned to it
4. Reboot Cisco phone
5. Subscribe with expires 10800 (3 hrs) is received on sipp server
6.Cisco never sends subscription refresh and subscription is removed from sipp server
Thank you for your time
*sipp server is given as an example
I have moved your question under UC Manager SIP community so that more visibility for support could be achieved. I would also request you to refer for relative information.
Thanks and Regards,
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