gsc-3510

  1. 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...
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