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  1. 3cx responds with HTTP 403 to Polycom VVX400

    Hello, My setup includes: 3cx 15.5.6354 on Windows server and Polycom VVX 400 IP Phones My VVX 400 was initially provisioned correctly using extension number 222. I then deleted ext. 222 on 3cx server and created a new one: ext. 333. Also attached the new ext. 333 to the same Polycom Device...

  2. Problem with Polycom VVX 'Accept Multiple Calls'

    I too am having a problem with VVX 300 and VVX 400 phones. They are provisioning fine after factory reset. However the behavior when a second phone call come in to a a phone with an existing conversation in progress, the caller get immediately thrown to the voicemail. Have I tried checking the...
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