Ive used these in the past.
http://www.2n.cz/products/gsm_gateways/voip_gsm_gateway/voiceblue_enterprise_voip_gsm_gateway.html

sound fine, work well...
reliable etc etc..

things to watch out for...  :

*  cant send your own caller ID from them ( in my experience its locked to the sim )
*  your provider might block the IMEI number of the GSM terminal, if they dont like what your doing.

just some stuff to consider.


Jay




2009/6/18 Joćo Mesquita <jmesquita@gmail.com>
Pricewise, is it worth it?

jmesquita


On Wed, Jun 17, 2009 at 6:31 PM, Jan Kubr <jan.kubr@gmail.com> wrote:
We plan to buy one of these: 

http://www.2n.cz/products/gsm_gateways/voip_gsm_gateway/voiceblue_enterprise_voip_gsm_gateway.html

since you can use SMTP/POP3 to manage SMS.

Jan

2009/6/17 Joćo Mesquita <jmesquita@gmail.com>

Guys, I was looking at the advantages and disadvantages of having a GSM gateway vs. a GSM board.

The conclusions I get are:

Board pros

1. Boards are able to get/send SMS without SIP "tricks"
2. You don't have to make a SIP call to check if channel is available and don't rely o SIP messages to get channel status
3. FS will be able to check for signal level on the board and fire events on pre-defined thresholds.
 
Gateway pros

1. I think of is the a GW can be used by more then one server, therefore, can have failover.
2. A GW is more scalable

It would be nice if you, that have already used GSM GWs in production, could comment on this.

Thanks,

jmesquita


On Wed, Jun 17, 2009 at 3:18 AM, NOx-WHV <enno.egbert@web.de> wrote:

Hi,

look at www.kuhnt.com. It“s a german page. There you can find "Kontakt"
where you can ask for special requirements.

NOx



Diego Viola wrote:
>
> Hi everyone,
>
> Can you please recommend me some GSM gateway? I'm currently looking
> for a good one to buy... anyone have experience PORTech GSM gateways?
> Are they good?
>
> I also need it to work with FS, I'm also kinda new with VoIP hardware.
>
> Thanks,
>
> Diego
>
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Sincerely

Jay