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Re: Vodafone blocking VOIP

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Andrew Gabriel

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Oct 25, 2014, 1:19:56 PM10/25/14
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In article <m2gh1v$lp$1...@dont-email.me>,
Peter <occassional...@nospam.co.uk> writes:
> The standard UDP port 5060 is totally blocked.

Just tried it over 3G from my mobile (3G contract) to my home server,
and port 5060 works fine.

> Another similar port # which the SIP provider gave me almost works but
> the voice is so broken up it is useless. I can't tell whether this is
> due to the link too slow / not the right codec / Voda detecting VOIP
> and buggering it up.
>
> This is on HSPA, 3mbits/sec.
>
> It worked fine Dec 2013...
>
> There is a lot of stuff on google about this (Voda blocking Skype etc)
> but most of it pre-dates 12/2013 so doesn't make sense.
>
> I've emailed Voda - no reply of course from their script chimps in
> India...
>
> The SIP login is established OK - presumably this is over port 80. The
> SIP provider offers TLS (443) for this but that won't help because the
> voice is still carried openly over 5060 or whatever.

SIP login (or rather, registration) is on port 5060.
Call setup is on port 5060.
Voice is carried on different ports, which are agreed between the
two parties during call setup.

> There are wholly-443 solutions but only for Iphone or Android. I have
> a Nokia 808...
>
> VOIP works brilliantly on the 808 but only on WIFI, as a result of the
> above.

Broken up voice may simply be down to the quality of Vodafone's IP
access network. It has noticably deteriorated over the last few years
on 3G, IME, and voice does require better quality than most other
things, because it's realtime.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

Jono

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Oct 25, 2014, 3:40:46 PM10/25/14
to
Peter wrote on 25/10/2014 :
> The standard UDP port 5060 is totally blocked.
>
> Another similar port # which the SIP provider gave me almost works but
> the voice is so broken up it is useless. I can't tell whether this is
> due to the link too slow / not the right codec / Voda detecting VOIP
> and buggering it up.
>
> This is on HSPA, 3mbits/sec.
>
> It worked fine Dec 2013...
>
> There is a lot of stuff on google about this (Voda blocking Skype etc)
> but most of it pre-dates 12/2013 so doesn't make sense.
>
> I've emailed Voda - no reply of course from their script chimps in
> India...
>
> The SIP login is established OK - presumably this is over port 80. The
> SIP provider offers TLS (443) for this but that won't help because the
> voice is still carried openly over 5060 or whatever.
>
> There are wholly-443 solutions but only for Iphone or Android. I have
> a Nokia 808...
>
> VOIP works brilliantly on the 808 but only on WIFI, as a result of the
> above.

You need to ask them to add the VoIP APN to your connection.


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notya...@gmail.com

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Dec 3, 2014, 3:35:58 PM12/3/14
to
On Wednesday, 3 December 2014 16:53:36 UTC, Peter wrote:
> Update:
>
> Voda block VOIP on all contracts below 40 quid a month, unless you buy
> the 2GB/month data add-on. I got this confirmed by their corporate
> centre, although their CS know nothing about it.
>
> But it turns out you can just ask them to enable VOIP!
>
> I did that and eventually it worked. They had to enable it in two
> places: on the account, and on the network. No idea what that means!
>
> But it works now.
>
> Practically, you need HSPA and not just plain 3G. Obviously 3G
> (300kbits/sec here near Brighton) should be fast enough, but the
> latency makes it almost unworkable. On HSPA (3mbits/sec here) the
> latency is much less and it works as well as on ADSL.
>
> I also have a VPN working, from my laptop to a server I have
> ($20/month - have a few websites on it) and a friend set up the
> terminator for the SoftEther VPN. Initially, Vodafone was blocking
> this too but setting it up to use only TCP/IP and only 443 fixed that!
> So that's another way to screw Vodafone, although there is no client
> for that VPN for my Symbian phone :) I am running the winXP client and
> it works great.
SIP is native in my Nokia N8 and presumably the 808, although you do have to do some downloading.

No problems with VOIP on O2, although I usually try and use Wi-Fi if available.

Jono

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Dec 3, 2014, 5:43:04 PM12/3/14
to
Peter used his keyboard to write :
> Update:
>
> Voda block VOIP on all contracts below 40 quid a month, unless you buy
> the 2GB/month data add-on. I got this confirmed by their corporate
> centre, although their CS know nothing about it.
>
> But it turns out you can just ask them to enable VOIP!

Which is what I meant by:
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rahul.u...@gmail.com

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Feb 17, 2015, 9:44:42 PM2/17/15
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Woody

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Feb 18, 2015, 3:32:11 AM2/18/15
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"Peter" <occassional...@nospam.co.uk> wrote in message
news:mc1ctj$gml$1...@dont-email.me...
> France is blocking SIP?
>

Certainly France Telecom (i.e. Orange Fr) do so and have done for some
years - over air and over wi-fi. Damn nuisance as many so-called free
wi-fi hotspots (often found around the Mairie's office) are provided
by Orange Fr.



--
Woody

harrogate3 at ntlworld dot com


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