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A call from CUCM to SIP trunk, from the SIP trunk, can I tell the call is from a SCCP or SIP phone by reading SIP message?

Tao Ren
Level 1
Level 1

‎03-25-2015 05:21 PM - edited ‎03-17-2019 02:27 AM

I need to find out the end point point information from the SIP trunk. When a call from CUCM to SIP trunk, can I tell the end point information from the SIP message, e.g. SCCP phone or SIP phone? For instance, Cisco 8945 phone can have both SIP and SCCP firmware, so how can I tell the call is made from 8945 SIP phone or 8945 SCCP phone to SIP trunk?

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Manish Gogna
Cisco Employee
Cisco Employee

‎03-25-2015 07:33 PM

Hi Tao,

I looked at sample debug for such a call and do not see phone protocol distinction in the SIP messages. You might want to filter this based on the ip addresses of the endpoints in the SIP messages.

HTH

Manish

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