3cx grand stream

  1. 3cx remote Stun Provisioning for Grandstream GXP 2170

    I have followed the guide to remotely provision the Grandstream GXP 2170 phone but i am unable to get the pop-up window to enter user ID and Voicemail PIN(Password) on phone. The goal is to have end users to input those credentials whereever the phone gets sent. I have tried factory reset the...