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Traffic shaping policy for VoIP

Hi,

Need advice from somebody who knows well about VoIP.

Our VoIP phones works fine as long we allow all traffic through the firewall :(

We don't use any PBX server, the phones connect directly to the provider. SIP as been disabled as recommended by the provider. If I use the #Default_Network_Policy, a few phones loose connection with the provider. A view of the log (198.41.28.71 belongs to our VoIP provider.):

Also,here the VoIP firewall I was trying earlier to implement to set the highest priority for VoIP communications:

The highest voice quality codec used is G.711. Am I doing anything wrong? Can "individual" bandwidth usage type be used for IP addresses filtered by this FW rule? Or is it only for configured Users?

Tks

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0 Speatech over 6 years ago

I've called at least 4 times Sophos support today and nobody knows how to deal with VoIP. They know what's a VoIP phone and that's it.

If I ask "what's the best practice regarding firewall rules for VoIP?", they have no clue!

Am I the only person using VoIP phones in this word? :O
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0 rfcat_vk over 6 years ago in reply to Speatech

Hi,

I am a home user that has two VoIP services to two different providers using very poor internet service 3.5m/660k

My firewall rule looks like this:-

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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0 Speatech over 6 years ago in reply to rfcat_vk

Ian

Seems like you are using a Softphone app to make your calls. You are adding a traffic shaping policy to an app... I do this for devices which is a bit different.
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0 rfcat_vk over 6 years ago in reply to Speatech

Hi,

no, both use SPA devices (112 and 3102)with real phones attached.

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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0 Speatech over 6 years ago in reply to rfcat_vk

rfcat_vk said:

Hi,

no, both use SPA devices (112 and 3102)with real phones attached.

Ian

Not sure then why you are using Application Control (VOIP). Can you explain please? :)

Thanks
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0 Speatech over 6 years ago in reply to rfcat_vk

rfcat_vk said:

Hi,

no, both use SPA devices (112 and 3102)with real phones attached.

Ian

Not sure then why you are using Application Control (VOIP). Can you explain please? :)

Thanks
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0 rfcat_vk over 6 years ago in reply to Speatech

Because VoIP (protocol) is an application not a web access. You are not using the http proxy to manage your phone access.

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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