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No audio on IP-CCIS

No audio on IP-CCIS

No audio on IP-CCIS

(OP)
I have one site that has an 8100 and the other site is a 9100 CP20 and I cannot get audio on IP-CCIS calls. The calls setup and can be answered, just no audio.

The customer's public IP address changed on the 8100 site so at the same time, the customer changed the IP scheme for the 8100.

I updated the public IP in 10-12-07 and changed 10-12-09 (IP), 10-12-10 (subnet), 10-12-03 (gateway) and 84-26 (DSP IP) for the 8100.

Customer is using Fortinet firewalls and has a VPN between sites. They confirmed SIP ALG is disabled and set up port forwarding rules for 10020-10531 to the 84-26 IP address.

Generally with audio issues, its a network setting, unless my IPL card suddenly failed coincidentally.

It did work before the IP address changes. Not sure what we're missing.


RE: No audio on IP-CCIS

Hello conxtel,

Make sure you update the ip change on the 8100 in 50-03 as well.

RE: No audio on IP-CCIS

(OP)
Yes, 50-03 was changed as well.

RE: No audio on IP-CCIS

You have to reboot the 8100 for any of that to update. Also teh 9100 will need updated IP addresses as well.

RE: No audio on IP-CCIS

(OP)
Yes, 8100 was rebooted after the change. IP address was updated in 50-03 in the 9100 as well.

RE: No audio on IP-CCIS

Check 10-58 and make sure your new scope is in that.

RE: No audio on IP-CCIS

(OP)
I've never used 10-58 when for CCIS. Isn't that just for IP terminals?

RE: No audio on IP-CCIS

No..that defines your network routing for the system.

RE: No audio on IP-CCIS

(OP)
I sent a Wireshark file to NTAC and they can see audio leaving my 9100 on port 10028 and reaching the IP of the 8100 on port 10024 at the second location, but no audio was returning. They were kind of surprised that there wasn't at least audio in one direction.

I still think there is something they are missing in their Fortinet programming but the other possibility is a failure with the IPLB daughter board. Has anyone seen a no audio issue on one before?

RE: No audio on IP-CCIS

We had many issues with getting fortinet routers to work with this system. Can you try a simple router as a test. Temporarily replace the fortinet.

RE: No audio on IP-CCIS

Fortinet has their own VOIP system built into their firewalls. This needs to be disabled. MANY IT guys don't realize this and will spend hours trying to fix routing issues.

RE: No audio on IP-CCIS

(OP)
Customer found the problem in their Fortinet:

"It was from the policy we had configured for the tunnel on the SV9100 side, forgetting to turn NAT off. It is now working perfect."



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