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How to upgrade firmware of cisco7940G IP phone

Hi,

I am having 7940G IP phone with IOS version SCCP 3.7.2

I want upgread it to SIP

How to upgread IOS of IP Phone.

1 REPLY
Hall of Fame Super Red

Re: How to upgrade firmware of cisco7940G IP phone

Hi Ajinkya,

This good doc has the detailed steps;

Converting a Cisco 7940/7960 CallManager Phone to a SIP Phone and the Reverse Process

http://www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a0080094584.shtml#sccptosip2

Hope this helps!

Rob

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