No outbound calls from Aussie Broadband

[Jimmy the Fish]

Hi,

I'm currently having an issue getting outbound calls to work with the SIP line my RSP provides but inbound calls work without issue. I currently have 2 SIP Trunks configured/registered, one from Australian Phone and one from my RSP (Aussie Broadband).

I am able to make and receive calls using Australian Phone trunk, but am unable to do so using the RSPs trunk. I get the following error

"01/26/2021 10:45:19 PM - [CM503003]: Call(C:11): Call to <sip:[redacted phone#]@aussieBB.nms1.voice.wide.net.au:0> has failed; Cause: 408 Request Timeout/INVITE from local"

"01/26/2021 10:45:19 PM - Call to T:Line:10002>>[redacted phone#]@[Dev:sip:[email protected]] from L:11.1[Extn:2999] failed, cause: Cause: 408 Request Timeout/INVITE from local"

To me this suggests that the connection with my RSP SIP server is timing out. That also seems to be what is being said here: https://www.3cx.com/community/threa...-408-request-timeout-invite-from-local.77497/ and here: https://www.3cx.com/community/threads/unable-to-make-outbound-calls-via-voipvoip.63802/

My RSP have nonetheless directed me here for support claiming it's a 3CX issue. Can someone please confirm for me whether the error suggests that the connection to their server is indeed timing out, or whether it is in fact something else (and if so what)?



Regards,
Jimmy the Fish