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VoIP over 3G on 2800 ?

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10 Feb 2011 00:42 #66183 by martinsq
VoIP over 3G on 2800 ? was created by martinsq
I saw that someone is making a 'MIFI' with VoIP, unfortunately it costs £400 !
Then I thought why not use 2800V(G) for that ?
Has someone done it ?
Don't the mobile operators block VoIP ?
I tried Xten software over my Orange 3G, did not work.
Any advice gratefully received.
Regards,
Martin

Regards,
Martin

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06 Mar 2011 21:49 #66662 by martinsq
Replied by martinsq on topic Re: VoIP over 3G on 2800 ?
Since nobody here replied, I sent the question to Draytek UK, and got pretty well instantenous reply:

The 2800VG would be able to make a VoIP connection when using 3G
without any problems, however it is true that many 3G providers do
block VoIP. One exception that I'm aware of to that issue is Three -
they also give out public IP addresses which would resolve NAT
problems with a VoIP connection as well.
NAT will cause problems with VoIP on the router unless you've
configured a STUN server on it - most 3G providers do give out a 10.x
address which is NATted and otherwise inaccessible from the internet
so you'll need to configure STUN or the NAT settings with your VoIP
provider.

Regarding the 3G support - the Option 515m dongle is not supported on any
Draytek router currently although the 2800 would not be able to
support it as it is not being updated any further than the latest
2.8.2.1 firmware.
The E160G and E160E are both known to work with the 2800 router, the
differences appear to be mostly branding - if you're not able to get
an E160 modem to work with the 2800VG, make sure you've got the
2.8.2.1 beta firmware as that does add significantly improved 3G
support.

Regards,
David

Alas I have no Three's 3G transmitter in the vicinity, just Orange....
Regards,
Martin

Regards,
Martin

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28 Mar 2011 21:19 #67007 by haywardi
Replied by haywardi on topic Re: VoIP over 3G on 2800 ?
I've done it but not in the config you describe.

2820n (not a V) with a 3g mobile dongle attached (o2).

Use it to VPN into another 2820 and connect a VP350 to my PBX, works a dream. Set up tested as I''ve got a stand at an exhibition and wanted a telephone .

Only problem I noticed was the VPN doesn't stay connected as long as the mobile connection, don't know why this is and it doesn't seem to impact the operation of the phone.
Iain

Iain

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06 May 2011 09:18 #67617 by john101
Replied by john101 on topic Re: VoIP over 3G on 2800 ?

martinsq wrote: I saw that someone is making a 'MIFI' with VoIP, unfortunately it costs £400 !
Then I thought why not use 2800V(G) for that ?
Has someone done it ?
Don't the mobile operators block VoIP ?
I tried Xten software over my Orange 3G, did not work.
Any advice gratefully received.
Regards,
Martin


yes you may contact from voip phone systems for information and help.They will give you good advise.

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30 Jan 2012 00:46 #70979 by regchan
Replied by regchan on topic Re: VoIP over 3G on 2800 ?
make sure device is compatable with dongle etc

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