Nicholas Matthews Mon, 02/09/2009 - 16:17
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To support Cisco 7915/7916 extension modules, the IP phones must have firmware 8-3-5 or a later version.

It looks like CME 4.3/7.0 supports the 7915. This translates to 12.4(11)XZ or 12.4(20)T



k-xavier Mon, 02/09/2009 - 21:08
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I have a uc520. What do I need to do to support the 7915 side car? I upgrade to 4.2.9 which is listed as the latest image for the UC520.

I don't want to hose the uc520 by going directly to CME 7 IOS image.

Any ideas


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