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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How can I make USSD call from laptop?

Don't know if I'm in the right place...Is is possible to create a software that will use a laptop (a real one, not a hybrid pc) to place ussd quries ? I saw stuff about GSM modem but don't know... ...
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How can I ping to the Mini PC's ports (Clients) from the Server (Client Connected 3G modem)

I am trying to connect 3G device (raspberry with 3G modem) which make video broad casting, I am trying to make ping from client device but without luck, i think the ip should be static at the same ...
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390 views

NetworkManager fails to start gsm connection

I am trying to configure a gsm modem connection in linux using NetworkManager.The details of the modem are as follows:# mmcli -m 0/org/freedesktop/ModemManager1/Modem/0 (device id '...
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I can't see 'COM' labels in my GSM Box at Device Manager

Actually, this is really a newbie question since I am new to this GSM Box and I'm not sure if this should be posted on superuser or stackoverflow.Click here to view the GSM Image. This GSM/GPRS 2g ...
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1k 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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145 views

How to setup Serial Port for GSM Modem K4201

I'm trying to create application that communicate with GSM Modem (Vodafone Huawei K4201) using AT commands, but I have a problem, when I connect modem to my pc I can't find any serial port. I have ...
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750 views

Linux, GSM, nmcli - working with two GSM Modems and connections

I have a following situation.I have two USB modems (one Huwawei LTE modem, one ZTE 3G modem) with two different SIM cards from two different providers (orange and play to be specific).Using ...
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127 views

Connect two analog modems across gsm carrier

I have a cisco router, and I need an emergency backdoor to it from a remote site in case the internet connection is down (for any reason). I've connected a good old analog modem to cisco console port ...
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122 views

Determining the cause of dropping TCP connections

So there's a service listening on a port and there's a client connecting to it (TCP protocol). The client and the server try to "ping" each other from time to time. For example, this is the client ...
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61 views

does CDMA/lte phone support GSM? [closed]

I have a CDMA/LTE phone with LTE sim slot(LG LS770 Sprint). And I want to make sure if this phone can support GSM sim or not!
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558 views

How make kalibrate-rtl and rtlsdr-scanner work with my modem?

The modem is a d-link hsupa 3.75g dwm-156 .Documentation is here:DocumentationWhen I try:root@kali:~# kal -s GSM900 -vNo supported devices found.In this page there some AT commands may be ...
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Where to download driver for Sierra MC8305 for Windows 10?

Where to download driver for Sierra Wireless MC8305 (3G WWAN) for Windows 10?The FTS_SierraWirelessMC8305WWANDriver_Build3948_1105401.zip downloaded from Fujitsu Support for Windows 8.1 won't ...
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282 views

BQ Aquaris E5 not detected as a GSM modem

My BQ Aquaris E5 (ubuntu edition) was not getting detected as a GSM modem in Ubuntu 15.10 desktop edition. Hence I tried the following shell script:vendor=$1product=$2cat <<EOF > /etc/...
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187 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 speechcoding standard used in the GSM digital mobile ...
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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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