Security Basics mailing list archives

RE: Call cabins with VoIP


From: "Sergio Castro" <sergio.castro () unicin net>
Date: Tue, 22 Jul 2008 07:00:53 -0500

Diego,

I recommend you connect normal, non-IP phones to a VoIP gateway such as
Quintum or Audiocodes. Then you connect the gateway to the ADSL. If your
plan is to only give telephone services, I wouldn't recommend using a PC,
they are harder to maintain and your clients/employees can mess with them.
Don't use IP phones either; they too need maintenance, and in such a large
and dispersed deployment they can be a real pain.
What kind of PBX will you use to route the calls? Are you planning to do
load balancing?

Regards,

Sergio 

-----Mensaje original-----
De: listbounce () securityfocus com [mailto:listbounce () securityfocus com] En
nombre de Diego Garcia
Enviado el: Lunes, 21 de Julio de 2008 02:08 p.m.
Para: security-basics () securityfocus com
Asunto: Re: Call cabins with VoIP

Thanks for all the answers

About the satellite restrictions i have to check but that could be the
Guatemala provider and they provide voip service or at least that says their
web. But it's true i have to know that. Thanks for the info Jon.

Junaid, here aren't unlimited services on GRPS but now there are some
unlimited packages on 3G so there can be an option. I've a friend who own
one of this and i'll use his service for some tests. Thanks for the idea.

And Sergio, yeah i'll use infinitum on some places in Mexico, thanks for the
warning about the SIP and Telmex, i didn't knew it :/ Damn monopoly.

Thanks for all the info. And what you think about the procedure? Which equip
should i use? or maybe the pc solution with software clients and usb
hardware sounds good? I guess the skype and the gizmo prices are nice.

Really thanks for all your advices.

On Mon, Jul 21, 2008 at 12:21 PM, Sergio Castro <sergio.castro () unicin net>
wrote:
Hi Diego,

Are you planning to connect to the Internet via Prodigy Infinitum? If 
so, you should be aware that Telmex does its best effort to block SIP. 
You may want to consider using IAX.

- Sergio

-----Mensaje original-----
De: listbounce () securityfocus com [mailto:listbounce () securityfocus com] 
En nombre de Diego Garcia Enviado el: Domingo, 20 de Julio de 2008 
08:14 p.m.
Para: security-basics () securityfocus com
Asunto: Call cabins with VoIP

Hi,

My name is Diego and i'm from Mexico City. I want some advice about 
the best solution for Call Cabins with VoIP, cause i want to install 
some cabins in several places in south of Mexico and Guatemala. I'll 
use Satellital Internet in few cases cause there are in remote places
inside the jungle.
But first i want to talk about which can be the best solution for this.

I was thinking in voip phones connected to a router and all to a SIP 
server, maybe with gizmo.com

Another solution is one PC with 4 USB ports connected to a USB phones 
running 4 different VoIP clients like Gizmo or Skype (Maybe i need to 
know better providers, if u can recommend me one I'm gonna thank a lot).

Or another idea is about a Linksys PAP and some PSTN phones.

I hope anyone can help me decide what is the better solution for this.
Thanks in advance for reading this.

Best regards,
Diego García Mendoza

PS: Excuse my english :P

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--
Diego García Mendoza

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