I have an Avaya J169 model 700513634 Avaya SIP phone. I need to add it to a third party phone system. I see there's a different model J169 that's for use with Open SIP. Is there a setting on this model that I can change to allow it to be added?
The standard Avaya SIP models can be switched to 3PCC firmware (don't ask me the process, its in a manual somewhere). However, the models manufactured and shipped as 3PCC phones cannot be switched to Avaya SIP firmware.
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