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Selecting the model applicable the phone group brings you to the settings screens applicable for that type of phone.
This setup implies that each phone group must represent one single specific phone model. That is also the purpose of these groups – specifying settings for all phones of a certain type.
The settings here are the same as for individual phones.
Most settings are chosen by the sipXecs system in such a way that the phone work optimally with the system. There is no need to change much.
Specifically, you do not need to change settings for the phone number or user names – they are being automatically taken from the user associated with each phone.