Check with your provider. I believe these gateways will be usable for quite some 
time to come. In the US AT&T and T-Mobile are the National GSM networks. Since 
these gateways are voice only with not data, I just bet they will continue to work 
just fine for many years. 3G/4G is mostly used for data and text? so it may be a 
non issue

John Novack

Frank wrote:
So anyone would know a gateway working on 3G/4G network ?
I remember a website called XY something (I cant find it anymore. I don t 
remember if it was xywireless.com , or xytelecom.com , or something else) where 
they seemed to have good gateways, but I can't find it anymore.

On 2/24/13 9:15 AM, John Novack wrote:
 From the Freq. list given on eBay, I don't thinkthey are. The listed
freqs. are worldwide GSM since the mid 90's, but not 4G

John Novack

Hans Witvliet wrote:
Are these 4G comaptible ????


-----Original Message-----
From: Frank<fr...@efirehouse.com>
Reply-to: Asterisk Users Mailing List - Non-Commercial Discussion
<asterisk-users@lists.digium.com>
To: Asterisk Users Mailing List - Non-Commercial Discussion
<asterisk-users@lists.digium.com>
Subject: Re: [asterisk-users] GSM Sip Gateway
Date: Sun, 24 Feb 2013 07:40:19 -0500

USA, this will be use with a 4G network.

On Feb 24, 2013, at 5:24 AM, longst<longst...@gmail.com>  wrote:

where are you from by the way

Sent from Shitian Long


On Feb 24, 2013, at 1:54 AM, Frank<fr...@efirehouse.com>  wrote:

Hi all,

Anyone ever used GoIP GSM SIP Gateways ?
If yes, what was your experience with those ?

I'm looking at this:
http://www.ebay.com/itm/HOT-GSM-VOIP-GoIP-Gateway-SIP-Trunk-to-Asterisk-iP-PBX-/280736774012?pt=US_VoIP_Business_Phones_IP_PBX&hash=item415d37377c

If anyone has any (good) experience with another brand, I'll take the names and 
models.

Thanks

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