User Manual

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GXP21XX User Guide
If you have a SIP server, configured, direct IP call still works. If you are using STUN, direct IP call will
also use STUN;
Configure the "User Random Port" to "No" when completing direct IP calls.
Virtual Multi-Purpose Keys
Web UI Configuration
Users can find new Virtual Multi-Purpose Keys (VPK) configuration under phone’s web
UI->Settings->Programmable Keys->Virtual Multi-Purpose Keys tab. It is recommended to select “Reset
on this page before configuring VPK here. By default, all fixed VPKs are listed.
Figure 12: VPK Page
Click on “Edit VPKfor the line (fixed VPK) you would like to configure. A new window will pop up for VPK
configuration. Users can configure Mode, Account, Description and Value for the VPK. Up to 20 mode
options can be selected for the VPK. Once done, press “Saveon this window and press “Save VPKon
the bottom of the Virtual Multi-Purpose Keys page again to apply the change.