Recent content by Sam_Bennett

  1. Grandstream GSC3510 will not provision

    Yes, 35 phones use the same SBC in this office location, and they all work.
  2. Grandstream GSC3510 will not provision

    It is behind an SBC.
  3. Grandstream GSC3510 will not provision

    I am on 3CX V20 Cloud Hosted. I cannot get a Grandstream GSC3510 to provision. I have followed the instructions in the guide (https://www.3cx.com/sip-phones/grandstream-speaker-intercom/) but just will not provision. I have even tried to set the setting manually in the phone, but it never works...