Detection of device model

[sjamaan]

Hi all,

With the upgraded firmware (v80) I notice that now the $PN variable's value on a T41P phone defaults to "yealink_txp_dm" instead of the old "t41p" which the previous version of the firmware sent. The provisioning guide still mentions that to provision different models, you can place the configuration files under a directory that match the model name via the $PN variable. That's no longer true if these phones all send the same code.

Is there a reason this was changed, and is there a way to get the model name so that either the DHCP server can respond with a correct model-specific provisioning URL, or the phone will automatically retrieve it?