Solved SBC via ASA 5510

[freddo]

Hi All, We are doing a POC with said company but I am having issues with our ASA 5520 and its firewall rules, created ACL for port 5090 tcp/udp and when I cover a phone call external the phone gives dail tone, the recipient picks up but that is where it stops no audio, if we make a call from phone with 3cx App it works to other phones calls to land lines but fails when call is made to incoming line. What I do need is confirmation on how to configure the ASA 5510 - 20 with ADSM, we have install SBC from debian build, this can access the internet, checked the /etc/3cxsbc.conf file it looks right. Well spent 3 days over this and other stuff and its not giving me the results I need to convince we should move from our existing phone system.

 

[Evolute IT]

You don't need any firewall rules for the SBC. The connection is made outbound only.

As for mobile apps, those connect to the Hosted PBX directly, so the SBC is untouched.

 

[freddo]

removed rules from the ASA 5520, tried another call outbound it picks up on my mobile but no sound just need this resolved to move on with my meeting on Friday, or I am toast lol
If other team member call on there App phone my head set works with sound on the Windows App, we also had a 3CX phone placed on our network but that fails to register

 

[freddo]

covered this its working, thanks for your direct reply on this, me over thinking on firewall rules