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SIP phone back to Skinny

I configured call manager to load a sip image onto a phone with skinny. Now I want to move the phone back from SIP to Skinny.

The documentation says to edit the OS79XX.txt file to contain the name of the SEP (skinny) phone load.

I did that and reset the phone, but the phone doesn't load skinny. It remains a sip phone.

I never provisioned the sip phone using a sip server. The status messages on the phone say that there was a tftp timeout error trying to load the *.cnf files it needs.

Finally, any old phone that is running skinny loads the sip image if it is reset. I have tried removing the sip files, but the skinny phones are still getting the sip load, though I do not know from where since they are not in the tftp path.

Any help?


Re: SIP phone back to Skinny

Since there has been no response to your post, it appears to be either too complex or too rare an issue for other forum members to assist you. If you don't get a suitable response to your post, you may wish to review our resources at the online Technical Assistance Center ( or speak with a TAC engineer. You can open a TAC case online at

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.

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