Author Topic: Revolabs FLX2 confirm unit  (Read 1087 times)

Sube

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Revolabs FLX2 confirm unit
« on: April 28, 2018, 04:00:47 AM »
Hi all,

UCaaS solution for a customer with Revolabs SIP conference units. I can register them no worries but get one way speech.

External caller can hear, but the units cannot. This happens for internal caller as well!

Revolabs --> MBG --> MiVB

All ports are open. I've had a similar issue before for a Konftel unit where the STUN server needed adding...but I've tried this to no avail.

Any ideas would be great
Thank you


Offline x-man

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Re: Revolabs FLX2 confirm unit
« Reply #1 on: April 28, 2018, 05:44:57 AM »
router/switch in the way with SIP-Alg turned on?

Offline acejavelin

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Re: Revolabs FLX2 confirm unit
« Reply #2 on: April 28, 2018, 08:35:26 AM »
So no audio into the conference unit? That sounds like a local router issue, audio is making to the PBX but not getting back and it likely isn't a MBG issue. Look for SIP ALG, SIP "helper", or similar SIP options in the local firewall and toggle them the opposite way.

Offline Sube100

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Re: Revolabs FLX2 confirm unit
« Reply #3 on: May 03, 2018, 10:51:48 AM »
***RESOLVED***

There was a NAT traversal setting on the Revolab unit that needed disabling


 

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