Has anyone had any success using the voip.co.uk service in conjunction
with a NTL residential Internet account?

I am using a Grandstream HandyTone-486 ATA which connects ok to the
voip.co.uk SIP server.  I am able to receive calls from PSTN lines but
when I try to call a telephone number, I hear the line ringing and
then when the person I am calling picks up their phone, the line
immediately drops.  It has been like this ever since I signed up last
weekend.

I have heard only positive things so far about voip.co.uk on this and
other forums so am beginning to wonder if it is anything to do with my
NTL Internet connection.  Does anyone know if NTL are blocking any
ports which could be causing my problem.  Or could anyone suggest any
other possible causes?

Many thanks,

Steve

[ Post a follow-up to this message ]

"Steve in Herts" <nospam@invalidaddress.blob> wrote in message
 news:8592c2h7tfuvfr4kb0alim1mmv9sc0ehkh@
4ax.com...
> Has anyone had any success using the voip.co.uk service in conjunction
> with a NTL residential Internet account?
>
> I am using a Grandstream HandyTone-486 ATA which connects ok to the
> voip.co.uk SIP server.  I am able to receive calls from PSTN lines but
> when I try to call a telephone number, I hear the line ringing and
> then when the person I am calling picks up their phone, the line
> immediately drops.  It has been like this ever since I signed up last
> weekend.
>
> I have heard only positive things so far about voip.co.uk on this and
> other forums so am beginning to wonder if it is anything to do with my
> NTL Internet connection.  Does anyone know if NTL are blocking any
> ports which could be causing my problem.  Or could anyone suggest any
> other possible causes?
>
> Many thanks,
>
> Steve

What have voip.co.uk said in response to the ticket you've raised?

[ Post a follow-up to this message ]

On Fri, 21 Jul 2006 20:26:44 GMT, "Jono"
<jono@NoThanksNeverBlueYonder.com> wrote:

>
>"Steve in Herts" <nospam@invalidaddress.blob> wrote in message
> news:8592c2h7tfuvfr4kb0alim1mmv9sc0ehkh@
4ax.com... 
>
>What have voip.co.uk said in response to the ticket you've raised?

It's still being investigated.  Unfortunately their office hours
coincide with when I am at work during the day (and not at home where
my PC and ATA are located) so I am relying on support via email which
slows things,  They have been quite responsive so far though and
always reply to emails promptly.

Steve

[ Post a follow-up to this message ]

On Fri, 21 Jul 2006 19:09:24 +0000, Steve in Herts wrote:

> Has anyone had any success using the voip.co.uk service in conjunction
> with a NTL residential Internet account?

I'm on NTL broadband and I've no problem using sipgate and voipstunt for
my outgoing calls and NTL landline for incoming calls. Currently using
Linksys SPA3000 if that a matter.

[ Post a follow-up to this message ]

Steve in Herts brought next idea :
> Has anyone had any success using the voip.co.uk service in conjunction
> with a NTL residential Internet account?
>
> I am using a Grandstream HandyTone-486 ATA which connects ok to the
> voip.co.uk SIP server.  I am able to receive calls from PSTN lines but
> when I try to call a telephone number, I hear the line ringing and
> then when the person I am calling picks up their phone, the line
> immediately drops.  It has been like this ever since I signed up last
> weekend.
>
> I have heard only positive things so far about voip.co.uk on this and
> other forums so am beginning to wonder if it is anything to do with my
> NTL Internet connection.  Does anyone know if NTL are blocking any
> ports which could be causing my problem.  Or could anyone suggest any
> other possible causes?
>
> Many thanks,
>
> Steve

I use tem on Telewest with no issues, one thing I did have to do was
place my ATA in the DMZ on my router.

[ Post a follow-up to this message ]

On Tue, 25 Jul 2006 17:00:20 GMT, ACDeag <CAUPZITLZLVU@spammotel.com>
wrote:

>Steve in Herts brought next idea : 
>
>I use tem on Telewest with no issues, one thing I did have to do was
>place my ATA in the DMZ on my router.


Hi,

I'm not using a router,  My Grandstream ATA is connected directly to
my cable modem,

What is "DMZ" out of interest?

Cheers

Steve

[ Post a follow-up to this message ]

Steve in Herts formulated the question :

>
> Hi,
>
> I'm not using a router,  My Grandstream ATA is connected directly to
> my cable modem,
>
> What is "DMZ" out of interest?
>
> Cheers
>
> Steve

Your ATA has a router built in <http://www.grandstream.com/y-ht486.htm>

DMZ is "De-militarized Zone". In your case, no use looking at DMZ as
your ATA is already in the best position in your network.

Have you tried any alternative service providers? If you set yourself
up with a well known free provider, you could establish (for the most
part) where your problem may lie - ring a freephone number to check
outbound & call yourself on the geo number to test inbound.

[ Post a follow-up to this message ]

Thus spaketh Steve in Herts:
> On Tue, 25 Jul 2006 17:00:20 GMT, ACDeag <CAUPZITLZLVU@spammotel.com>
> wrote:
> 
>
>
> Hi,
>
> I'm not using a router,  My Grandstream ATA is connected directly to
> my cable modem,
>
> What is "DMZ" out of interest?
>
> Cheers
>
> Steve


Demilitarized Zone

The DMZ feature allows you to forward all incoming ports to one
device/PC.


--
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[ Post a follow-up to this message ]

Steve in Herts wrote:
> Has anyone had any success using the voip.co.uk service in conjunction
> with a NTL residential Internet account?
>
> I am using a Grandstream HandyTone-486 ATA which connects ok to the
> voip.co.uk SIP server.  I am able to receive calls from PSTN lines but
> when I try to call a telephone number, I hear the line ringing and
> then when the person I am calling picks up their phone, the line
> immediately drops.  It has been like this ever since I signed up last
> weekend.
>
> I have heard only positive things so far about voip.co.uk on this and
> other forums so am beginning to wonder if it is anything to do with my
> NTL Internet connection.  Does anyone know if NTL are blocking any
> ports which could be causing my problem.  Or could anyone suggest any
> other possible causes?
>
> Many thanks,
>
> Steve
Just got a SPA3000 and that works fine on NTL to voipstunt. Now having
great fun playing the the dial plans.......

[ Post a follow-up to this message ]

On 2006-07-25, ACDeag <CAUPZITLZLVU@spammotel.com> wrote:
> Steve in Herts brought next idea : 
>
> I use tem on Telewest with no issues, one thing I did have to do was
> place my ATA in the DMZ on my router.
>
>
I did this for my voip.co.uk MTA and have gained a much better service
as a result.

Might be worth trying.

Adam

[ Post a follow-up to this message ]