Global System for Mobile Communications (GSM: originally Groupe Special Mobile) is a mobile technology and the most popular standard for mobile phones in the world.

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2answers
30 views

PPP hangs up after authentication

I am working on an Ubuntu 12.04 machine and could use some assistance to establish a ppp connection with my ISP via a Telit HE910 mPCIe module. ppp config: # pppd launch configuration used by pon(1) ...
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1answer
168 views

How can I get my Huawei E220 modem to work on this network?

I recently purchased a Huawei E220 modem, which was branded by PhoneCompanyA, and I wish to use it on PhoneCompanyB's network using a SIM card from PhoneCompanyB. PhoneCompanyB's 3G network uses the ...
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0answers
86 views

Sim error in GSM modem

I have a Cinterion modem with a T-Mobile sim card. I am unable to send an SMS message with it. Here are some of the commands I ran in the modem: AT+CMEE=2 AT+CPIN? +CPIN: READY OK AT+CSQ +CSQ: ...
2
votes
1answer
306 views

How can I improve outdoor GSM antenna for 3g internet?

I'm in a remote spot. Internet is ok, but the eternal tweaker wants more. I'm looking at antennas, and noticed there is some differences between them, e.g +23db gain, or +11db gain. I'm assuming we ...
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2answers
35 views

VPNs and Wireless Providers [closed]

Is there a way to know, tell or figure out what ports are blocked on mobile networks? I've had some issues using a VPN and just wondering if maybe that could be the cause.
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1answer
1k views

Convert GSM audio file to G.729

How can I convert GSM sound files to G.729 format? I've used Sox in the past for transcoding sound files, but have not been able to find a way to transcode to G.729. Using Sox, I have found a way to ...
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2answers
77 views

How could I represent 1.625 by 0 or a 1 (binary digit)?

This is an excerpt from wikipedia about 'full rate' speech coding standard. Full Rate or FR or GSM-FR or GSM 06.10 was the first digital speech coding standard used in the GSM digital mobile ...
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1answer
589 views

Multi sim GSM modem or alternative [closed]

I'm trying to administer the SMS trafic of my businesss centrally through a web portal. In Europe (except UK) we don't have a numbers/SMS trafic provider like Twilio or Clickatell, nor any build in ...
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1answer
588 views

How do I add support for a yet-unsupported WWAN device to OS X?

The big goal of mine is to make my OS X machine support my Huawei E1550 dongle without installing any 3rd party driver. The fact is, that AppleWWANSupport*.kext and the whole WWAN infrastructure is ...
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1answer
482 views

Sending sms with at commands, what kind of caracters i can't have in my message?

I need to know what kind of characters I can't put in my message, how to format it and if I can put spaces at the end of message. If some knows some about it, some bug, some hit, please tell me.
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1answer
556 views

What technology do 160by2.com use to send SMS messages [closed]

The India based websites 160by2.com and way2sms.com allow users to signup with, and verify, a mobile number. The user can then use the website to send SMS messages to other mobile numbers with their ...
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3answers
845 views

Is is possible to use a mobile phone as a usb modem?

Is it possible to use the data allowance of a phone contract on a laptop? At the moment, I have a usb dongle which I use when I need to use my laptop away from home. Instead of using this dongle, ...
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2answers
374 views

Is it possible for USB HSDPA modems to receive MMS messages?

I'm using a Huawei E220 USB modem to send and receive SMS messages. I have it plugged into my Ubuntu laptop and am using Gammu to manage it. However this modem I think only works with SMS (text) ...
3
votes
1answer
1k views

SIM Card emulator devices and applications to do everything a cell phone can

I'm just a bit curious to know ( and would love to try ) if it's possible to use computer as a cell phone. To achieve this, one would probably need a way to interact with a SIM card. And perhaps a ...
6
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2answers
3k views

Place calls from Windows (7) using a SIM-card

So, I have a built-in Globetrotter SIM module in my netbook that allows me to access the internet over 3G. The software that comes with it also allows me to send and receive text messages. However, ...
3
votes
2answers
2k views

Can I use the voice & SMS features of my GSM SIM through my laptop?

My laptop (a Lenovo T410s) has an internal GSM modem (device manager calls it a Qualcomm Gobi 2000 HS-USB Modem 9205) that I'm currently using a regular (voice, data, text, etc) 3G SIM in. The data ...
5
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2answers
732 views

Sending and receiving fax via GSM Network in Linux

How can I send and receive faxes in Ubuntu using a GSM Network? Which hardware would you suggest? Which fax client? Would this work easily or is it complicated?
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1answer
354 views

iPhone GSM chatter causes USB interference / disconnects

When my (first gen) iPhone does some GSM transmitting (which I can hear through my speakers as very loud chatter), my usb mouse will occasionally disconnect and reconnect. My iPhone isn't physically ...