Nortel IP Phone 1120E

Can anyone offer any pointers on how to get the Nortel 1120E IP Phone to interoperate in other environments such as Cisco or Siemens controllers?

Tx, Steve

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I would think the only way you can do this would be to get SIP loaded onto it. Stock 1120's unless specified will be proprietary (UNISTIM) firmware. I assume your Cisco/Siemens environment supports SIP.

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You are correct the 1120 would need to have the sip firmware loaded in order to function on a native sip enviroment.

Here are some helpful links to review.

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