Music on Hold for SIP Phones not working with CME or UC520

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Jul 20th, 2009
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We have Cisco SIP Phone and SCCP configured either in 2821 with UCME 7.0.1 or UC520 with 7.1 and MoH from flash doesn't work in any of the two scenacios for SIP phones, the same configuration works for SCCP phones. It is supposed to be supported as per,

SCCP and SIP phones are in the same IP network, SIP phones are configured to use g711ulaw.

There is not MoH, no matter the type of call, SIP provider, POTS or internal.

Any Idea?

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paolo bevilacqua Mon, 07/20/2009 - 15:05
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Are these Cisco phones ?

If yes, recommend you convert to SCCP.

If not, Cisco does not guaranteed even basic calls with third-party devices, so you're on your own.

Alejandro Cadar... Tue, 07/21/2009 - 12:59
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Yes they are cisco Phones, and Cisco supports Cisco SIP phones in UCME. We have open a TAC case and we don't have any good answer.

Of course it works with SCCP firmware, the question is that we discovered it works with 7941 and not works at least with 7911 and 7912. It is a requirement that these phones has to be SIP phones.

paolo bevilacqua Tue, 07/21/2009 - 13:17
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Why the requirement? You should not have problem with 8.0(10) on the 7912 and 8.4.x on the 7911.

Note however the small phones are never full featured, there is always something that doesn't work as on the regular size ones.


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