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From: Gordon Henderson on 23 May 2010 15:32
In article <10cgv5lb06tuo2qjve4sv3doj435oupchr(a)4ax.com>,
Peter <occassionally-confused(a)nospam.co.uk> wrote:
>
>"R. Mark Clayton" <nospamclayton(a)btinternet.com> wrote
>
>>QoS of Voip over 3G is poor (but bearable otherwise 3 would not be promoting
>>Skype).
>
>I have never tried this but does it ever make economic sense to run
>VOIP over 3G ?

I have a client who's currently doing this - 3G dongle in the back of
their router and they're making SIP calls to/from it. Seems to work OK
for them.

They're doing it for a month or 2 as a temporary measure before they
move premises - to save the hassle of getting in a BT line, ADSL, etc.

And I now occasionally make/take VoIP calls via 3G - sometimes take
calls without knowing it when I'm away from home. (N900 phone - O2
"unlimited data" SIMplicity thingy) It's caused some confusion when I've
answered my home phone on my mobile and I'm no-where near home!

>I can see it may make sense to do it within some kind of a free data
>allowance, which exists only on contracts anyway, and on contracts you
>tend to get a free call allowance. You would have to be pretty on the
>ball on the data usage, using VOIP only up to the data allowance, and
>how easy is it to keep tabs on the data allowance *as measured by the
>network* (not as measured by the dial-up software) ?

VoIP is pretty low data usage - for the most part lower than web browsing,
but web browsing can be cached etc....

Gordon
From: Steve Terry on 24 May 2010 03:20
"R. Mark Clayton" <nospamclayton(a)btinternet.com> wrote in message
news:1pOdnfV3AKX_42TWnZ2dnUVZ8kadnZ2d(a)bt.com...
> "jonphred" <junkman(a)gmx.co.uk> wrote in message
> news:op.vc544bora3wce4(a)silverdell...
>> On Sun, 23 May 2010 17:27:11 +0100, R. Mark Clayton
>> <nospamclayton(a)btinternet.com> wrote:
>>> "curon" <curond(a)gmail.com> wrote in message
>>> news:65c11d4a-1af5-4d53-af9f-30a6f73f2b92(a)p17g2000vbe.googlegroups.com...
<snip>
>> I can confirm. I live miles from any 3G coverage but can use Skype on my
>> S2 handset. The call register on the phone reports an 07838 333nnn number
>> for incoming calls described as "IM call".
>>
>> The delay when talking to another S2 user (just for testing purposes as
>> one would normally use 3-to-3 calls) can be disconcerting.
>> JonPhred
>
>
The delay on free ring2skype is as bad, but allowing people to call
your Skype mobile at landline rate which could be inclusive for
them from a BT line makes it liveable

Also ring2skype for a change has been reliable for the last month
http://www.ring2skype.com/

and with a 0161 and 0208 option you can convince people you are in
Manchester or London

Steve Terry
--
Welcome Sign-up Bonus of �1 when you signup free at:
http://www.topcashback.co.uk/ref/G4WWK


From: jonphred on 24 May 2010 07:24
On Sun, 23 May 2010 20:14:10 +0100, R. Mark Clayton
<nospamclayton(a)btinternet.com> wrote:

>
> "jonphred" <junkman(a)gmx.co.uk> wrote in message
<snip>
>>>
>> I can confirm. I live miles from any 3G coverage but can use Skype on my
>> S2 handset. The call register on the phone reports an 07838 333nnn
>> number
>> for incoming calls described as "IM call".
>>
>> The delay when talking to another S2 user (just for testing purposes as
>> one would normally use 3-to-3 calls) can be disconcerting.
>>
>> --
>> JonPhred
>
> Vulnerable to cut off then...
>
>
I'm not at all clear what you mean by this. Would you clarify?

--
JonPhred
From: Steve Hayes on 24 May 2010 07:38
Theo Markettos wrote:

> Are there any USB dongles that are capable of making GSM calls?
>
> The reason I ask is I was recently using a Huawei B220 router. This looks
> like it's a wireless router with an E220 USB dongle built into it...
> there's a USB port you can use to plug it into a PC and if you do it
> appears just
> like an E220 (even the E220 unlock method works). But the router also has
> a phone socket on the back, which you can use to make and receive calls
> using the dongle's mobile SIM (GSM calls, not VOIP).
>
> So it looks like the E220 is capable of making calls... but how do you
> achieve this? I didn't take the router apart, but I assume there must be
> some kind of connection to the dongle for the audio and some PSTN
> components.
>
> Is there some kind of interface for doing this on any dongles, either in
> hardware or software?
>
> Theo

I had a T-Mobile dongle and noticed that the Windows software that comes
with it (which is a monster to install) included the ability to make and
receive voice calls on the PC (e.g. with a USB handset). Terms and
conditions forbid VOIP (and testing showed it's blocked) and my
understanding was that these calls went as normal mobile network calls. The
data sim certainly worked to make and receive calls when I put it in a phone
but the charges were quite high.

Never actually used the function on the PC but there is obviously a way that
the PC can interface with the dongle to access the mobile voice network and
this will be what the router is using too. It could be handy if your plan
includes voice minutes at a decent rate but, so far as I can see, the
general pattern is that you must choose between a data SIM where we gouge
you on voice or a voice SIM where we gouge you on data (unless it's data on
an untethered phone). One day I expect they'll get more flexible.

--
Steve Hayes, South Wales, UK
----Remove colours from reply address----
From: Theo Markettos on 24 May 2010 08:53
Steve Hayes <steve(a)red.honeylink.blue.co.uk> wrote:
> I had a T-Mobile dongle and noticed that the Windows software that comes
> with it (which is a monster to install) included the ability to make and
> receive voice calls on the PC (e.g. with a USB handset). Terms and
> conditions forbid VOIP (and testing showed it's blocked) and my
> understanding was that these calls went as normal mobile network calls.
> The data sim certainly worked to make and receive calls when I put it in a
> phone but the charges were quite high.

Interesting... do you happen to know if that's specific T-Mobile software,
or generic firmware (written by eg Huawei or ZTE) with T-Mobile branding.
T-Mobile have networks in other countries, so it's possible VOIP is allowed
in those, but it seems unlikely to actively support it.

What model is the dongle?

Theo
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