Music on Hold for 3rd Party SIP phones on CUCM 8

Unanswered Question
Sep 20th, 2010
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I have a client who has a number of Polycom Soundstation IP 7000 phones  on their CUCM 7.1.

When the IP 7000 puts a call on hold, the person on hold hears nothing (no audio or tone on hold).

The SRND for 7.x actually has a call flow (right at the bottom of the Music on Hold subject) that basically says exactly that - the caller will hear no audio.

The SRND for 8.x does not list this call flow (however it doesn't say it works either).

I performed a test install of CUCM 8.x but have not had any success so far.

Can anyone verify whether this is now supported in version 8? I found it curious that they omited it "not working" from the SRND if that hadn't changed.

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Overall Rating: 5 (1 ratings)
Paul Tursan d'E... Thu, 11/11/2010 - 01:15
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For anyone who stumbles upon this post - Music on Hold for 3rd Party SIP phones does not work on CUCM 8 (Confirmed by Cisco TAC)

chrisgapske2 Thu, 09/25/2014 - 12:30
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That is because cisco does not fully support sip endpoints and is a very limited PBX when it comes to protocols other than SCCP/Skinny.


They are pretty convoluted. 

Anthony Holloway Fri, 09/26/2014 - 07:10
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Could you please provide some source material to your claim about Cisco and SIP support?  I would be very interested in seeing what exactly is not supported.  Thanks.


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