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Unix and Linux Stack Exchange

Questions tagged [gsm]

22 questions
17
votes
2 answers

Difference between ppp0 vs wwan0

I am Running Raspian on a RaspberryPi. When I plug in a GSM modem I see two interfaces - wwan0 & ppp0. wwan0 exists even when the GSM modem is plugged but not connected ppp0 exists only when the GSM modem is connected Questions What is the…
OneGuyInDc
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14
votes
3 answers

configure gsm connection using nmcli

I have a system without X display and I want to use nmcli to configure my cell modem to connect to a certain apn. I can get it going with this modem just fine on Ubuntu (with X) and I would like to achieve the same now on the command line. How can I…
stdcerr
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8
votes
1 answer

How to get audio in and out of Huawei GSM modems when doing a voice call?

I have a Huawei E160E and a Huawei K3765 "GSM"-modem. The question is: How to send and receive audio data placing or receiving phone/ voice calls with those modems? Both seem to support voice calls, according to specifications (E160E, K3765) and…
Golar Ramblar
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7
votes
1 answer

Modem Manager set bearer and connect automatically

I'm trying to set up a Huawei E3276 LTE stick with German Telekom and Modem Manager on Raspberry Pi (latest Raspbian), and basically it works but I'm failing to create a configuration that is deployable to the RPi via ansible. When I connect the LTE…
edermi
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6
votes
1 answer

GSM device unavailable in NetworkManager

I've been trying for the last few days to set up a GSM connection on my new ubuntu box. However, I can't seem to get Network Manager to manage it correctly. The box is a compulab fitlet2 and the cell card is a simcom 7100A. $ nmcli d DEVICE …
zlb323
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3
votes
1 answer

Critical messages from gsm and gtk

After upgrading to Fedora 18, I am seeing the following critical messages on /var/log/messages whenever I log on to the computer: CRITICAL: gsm_manager_set_phase: assertion \`GSM_IS_MANAGER
Gtk-CRITICAL: gtk_main_quit: assertion `main_loops !=…
Question Overflow
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3
votes
1 answer

GSM modem - get signal strength

I have setup a gsm connection through network manager (USB dongle, raspberry pi). It connects and works fine by managing it with nmcli. What I would like to see is the signal strength so that I can decide what the best spot is to put the…
eftshift0
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3
votes
1 answer

Identify GSM Carrier of SIM Card Inserted into a Linux Host

The SIM card used in each Linux gateway for the GSM connection will vary from location to location due to signal coverage by different GSM carrier networks. But in order to automate setting the APN when configuring a GSM connection, it's necessary…
F1Linux
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3
votes
0 answers

Switching from GSM to CDMA

NetworkManager has crashed and now it's showing CDMA mobile broadband as a GSM device. How I can switch to CDMA mode? I'm using Ubuntu.
Talha Junaid
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3
votes
3 answers

getting "bad init string" when dialing with wvdial

I'm trying to dial-up with my Huawei modem EM680 using wvdial. My modem is found properly on /dev/ttyUSB1 but when I execute wvdial I get this: # wvdial --> WvDial: Internet dialer version 1.61 --> Cannot get information for serial port. -->…
stdcerr
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2
votes
1 answer

UART0 Access in AM1808 using Embedded Linux

I am trying to interface GSM module with my AM1808 processor. I am using gcc compiler as well as UBUNTU 10.04 Lucid. I have configured the TXD and RXD pins of UART0 but i can not access the RTS and CTS pins properly. Actually i need to check the RTS…
Parthiv Shah
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2
votes
0 answers

GSM connection fails - NetworkManager

I am trying to achieve the gsm connection through my single board computer. I think I set up everything. Below is the output of the modem info: -------------------------------- General | dbus path:…
tony sasa
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2
votes
1 answer

Unable to connect to USB 3G Mobile Broadband

I am using Arch Linux, Trying to connect to internet using my D-Link mobilebroadband. ( using NetworkManager and ModemManager ) I configured it using GUI ( setting APN/Network -Vodafone etc.. ) But when trying to connect, it shows this : $ nmcli…
Severus Tux
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2
votes
1 answer

"Level 2 halted" error message using ldattach with mux type GSM0710

I have a 3G modem on my BeagleBone Linux system that supports GSM0710 multiplexing (i.e. can create >= 2 virtual serial ports that connect to the physical modem port, which can then be used to run ppp on one, and AT commands the other). I'm trying…
fred basset
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2
votes
0 answers

Use mgetty to answer a call and press a key

I bought a GSM shield for the Raspberry Pi (version 1, B) and a SIM card to join the proper cellular network. I use mgetty to react to my call, like this: mgetty conf which works just fine and the script executes once I call the RPi: port ttyAMA0 …
dolfin
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