We will need to investigate more, I converted this topic in a support ticket.
You will be contacted soon for the next steps,
Regards,
M
Morris Stallings
said
over 3 years ago
Hi and thanks
Found firewall troubles on my end,
I will be testing phone again soon
M
Morris Stallings
said
over 3 years ago
Answer
after firewall version upgrade; problem resolved
M
Michael Moyse
said
over 2 years ago
I've got the same problem with Snom phones behind a Sonicwall with the latest firmware SonicOS Enhanced 6.5.2.1-31n
The Snom phones which range from 720, 760 to 725s only purchased last month and all on 8.9.3.88 (3CX preferred version) all exhibit the same issue where calls disconnect with "Network Failure"
Morris Stallings
Hello and Thanks
Cisco Spa504g at same remote office as snoms below work perfectly.
Snom 320 821 in use at remote office disconnect after 31 seconds.
Both are behind sonicwall firewall.
Both use session border controller to connect to 3cx server.
Both show same error in SBC log no RTP session
This change occurred since upgrading from v14 to v15 of 3cx.
Neither phone was taken to office for provisioning.
Both show provisioned on 3cx console.
after firewall version upgrade; problem resolved
- Oldest First
- Popular
- Newest First
Sorted by Oldest FirstMatthieu Le Jeune
Hello Morris,
We will need to investigate more, I converted this topic in a support ticket.
You will be contacted soon for the next steps,
Regards,
Morris Stallings
Hi and thanks
Found firewall troubles on my end,
I will be testing phone again soon
Morris Stallings
after firewall version upgrade; problem resolved
Michael Moyse
I've got the same problem with Snom phones behind a Sonicwall with the latest firmware SonicOS Enhanced 6.5.2.1-31n
The Snom phones which range from 720, 760 to 725s only purchased last month and all on 8.9.3.88 (3CX preferred version) all exhibit the same issue where calls disconnect with "Network Failure"
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