Re: Multiple SIP Clients?

On 04/07/2011 11:21, Anthony R. Gold wrote:
> On Mon, 4 Jul 2011 10:00:54 +0000 (UTC), Roger Burton West
> <roger+utv201107@nospam.firedrake.org> wrote:
>
>> Anthony R. Gold wrote:
>>
>>> What equipment is suitable for receiving incoming calls from multiple service
>>> providers?
>>
>> Don't use an appliance, use a proper computer as your proxy. Asterisk
>> and its open-source competition can all trivially do what's needed, and
>> forward calls to your actual SIP devices.
>
> I believe would be neither suitable nor safe. I travel a great deal and, even
> if I was willing to learn enough to install and configure such I system, I
> could never allow all of my incoming phone calls to depend on the good
> behaviour of a PC and its Internet access when those are installed many
> thousands of miles away. I might consider using a hosted service, but I hope
> that will not be necessary for my very simple needs. An appliance will be
> just fine thanks.
Anthony
I ditched my SPA3102 because of the echo issues and bought a Fritzbox -
best move I ever made regarding VOIP - its simple to set up and can
register 6 (I think - I've got 3 set up at the moment) different
accounts plus the landline. You set up one as the default (landline or
one of the VOIP accounts) and can set up simple dialling rules for
chosing providers e.g. all calls starting 07 go via the best VOIP
provider for mobiles. You can also dial an access number to use a
particular account. A call into any account will make the phones ring if
its configured to (you can also specify certain accounts not to ring the
phones)

Dial plans and config arent as detailed as the SPAs but to be honest I
think they went a bit too far anyway.

I still use an SPA1001 as well which does have 2 accounts registered to
it on one phone.Not sure if you can still buy these or not.
Roger.

On Mon, 04 Jul 2011 22:55:47 +0100, Anthony R. Gold wrote:

> My question is not about being able to dial out through a number of
> proxy servers using dialing rules but about receiving incoming calls
> from multiple service providers. The only hardware device with which I
> have any knowledge is this SPA3102 and so I know I could solve my
> problem with an array of these, using one per incoming provider/phone
> number. But I am looking for a device that can be simultaneously
> registered with a number of providers and will ring if and when an
> incoming call is offered by any of them.

Yes, understand that.

> I'm fumbling over the terms because I do not know how this capability of
> being register, alert and available to accept incoming calls is named or
> described by equipment vendors.

I think your terminology isn't far off, and quite clear.

Going back to the Asterisk box, that has no effective limit on the number
of registrations. I have six on mine, and a block of DDIs that come in
and are nicely separated. I also having incoming analogue on it, and that
too is separated. I can call out on any of them. It's certainly worth
considering.

The weakest point probably isn't the Asterisk box, but your phone line.
If that goes, you lose phone service. No different to a conventional
line, really!

(I don't actually have any IP phones, but I have an SPA2000 and an
SPA8000 hooked into the house phone wiring).



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Anthony R. Gold wrote:

> these, using one per incoming provider/phone number. But I am looking for a
> device that can be simultaneously registered with a number of providers and
> will ring if and when an incoming call is offered by any of them. Does the

Most, if not all devices will do that. Your problem is not receiving
calls from multiple clients, but rather registering with multiple clients.

Meanwhile, at the uk.telecom.voip Job Justification Hearings, Anthony R.
Gold chose the tried and tested strategy of:

> I have plenty of Linux devices
> including routers, GPS sets, TV PVRs and satellite receivers and would be
> happy to consider buying an Asterisk appliance if one was available and
> could fulfil my needs.

Atcom IP01. Less than a ton. Never used one myself, however.

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thank you brother, to share such a great and help full information, keep it up

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