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3rd party sip phone works fine, except through a C851

dbauman_wan
Beginner
Beginner

Greetings,


I am running some polycom phones through a Cisco 860 router (no CCME/SRST stuff).  Just a plain jane router, and it works fine, in fact any router I've tried, except the 851 works fine.


If I try and run the same phones through a Cisco 851 router (no CCME/SRST stuff), all my SIP authorizations get rejected.


Anything that could be cludging my SIP traffic come to mind?

Thanks,


David

1 Reply 1

rhholcombe
Beginner
Beginner

David,

I am having similar issues with the 851 and Polycom phones.  Did you ever figure this one out?

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