3CX Phone system failed to work behind the Beta (where 17.1mr3 ET AL Previous worked fine)

Have you checked   UDP port for 5060  permited in firewall rule .

Like I said

I have a set of working rules, inclusive of port 5060 UPD.

It works on 17.1 MR3.

It does not work on 17.5 Beta.

Hi Domus,

Have you made sure to unload the SIP helpers?

I've just noticed that my SIP helper was unloaded but is now showing as loaded again. Will do some testing.

To disable, log on via SSH, Option 4 for Device Console and run the following command: system system_modules sip unload

Before you roll forwards to v17.5, check to make sure they are unloaded using command: system system_modules show 

Then once you roll forward and check again.

Emile

3cx Errored

SIP Loaded (just to try it) on 17.5 Beta 2

Email notices

Reverted back to 17.1 RM3

Sip Unloaded

if a separate firewall rule is created with the sip server network(s) as destination with logging enabled is anything informative logged?

any difference with that firewall rule allowing all traffic to the sip server network(s) as a test?