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  1. Remote office calls dropping after 15 seconds

    Will, There from the Grandstream phone, there is no audio being passed. And that phone drops after 32 seconds. SY, I have office 1 where 3CX is up and running. In that office I have 3 SPA941 that are working with no issues at all. In a remote office 300 miles away, I have a 3 SPA941 that are...
  2. Remote office calls dropping after 15 seconds

    Thanks for your response. I am using Linksys routers on both ends. I put by 3CX in the DMZ and it made no difference. But it did increase my time from 15 seconds to 32 seconds. I have attached firewall test results and logs. 15:49:42.343 [CM503008]: Call(420): Call is terminated 15:49:42.296...
  3. Remote office calls dropping after 15 seconds

    I have 3 SPA941 phones connected in a remote office. They connect up just fine, but when you make a call or answer a call from one of the phones, the call will drop within 15 seconds. I have opened the ports on the office router as well as the ports on the remote office router. And from a second...
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