The tag has no wiki summary.

learn more… | top users | synonyms

11
votes
5answers
3k views

Is there a way for linux to pick up the phone?

I know that there is a way to make Linux dial out using a modem. Is there a way to program Linux (using a library/device) to pick up the modem (record phone calls) etc? see caller id?
6
votes
3answers
528 views

Detection of USB Modem is unstable - how can I correct this? [on hold]

I am using Huawei 3G USB Modem in Ubuntu 12.04 LTS on DELL Inspiron NS5520. I tried every possible solution but had no luck. Whenever my USB Modem disconnects, I can not re-connect it and then I have ...
5
votes
3answers
951 views

Linux-compatible 56k modem

I have a client who wants to set up a fax server in their office. I'd like to use HylaFAX under Ubuntu, but I'm a little shy to spend money on hardware for Linux, particularly a modem given the whole ...
5
votes
2answers
429 views

Find out what /dev/cuaU maps to?

I have an USB 3G modem (Huawei E353-u2) on pfSense 2.0.2 (which is based on FreeBSD 8.1-RELEASE-p13), it seems to create 2 /dev/cuaU devices: /dev/cuaU0.0 /dev/cuaU0.3 1) Why are there 2 devices? ...
3
votes
3answers
7k views

GSM modem does not create /dev/ttyUSB file

I installed Kannel in a server, and I want to use a GSM 3G USB modem to send/receive SMS messages, as described in section SMS Centers > GSM Modem of the Kannel User Guide. I have already installed, ...
3
votes
1answer
132 views

Determine 2G or 3G connection

I am using WvDial to dial my USB modem up to my ISP. But how can I tell what network I am connected to: 2G or 3G?
3
votes
1answer
231 views

Which TCP congestion control algorithm is best for low speed radio modems?

On my project we have remote Linux nodes that communicate over the Internet via very low speed CDMA cell modems. The bandwidth on these modems is about 2kbyte/second and the RTT back to the server is ...
3
votes
1answer
62 views

How to get address of connected USB modem?

I just connected my N81 telephone as USB modem to Linux Mint 14. All works fine, just wondering how to find a full path to this device, something like /dev/tty*.
3
votes
2answers
1k views

Udev Rule file for Modem not working

I am using modem for sending sms which has 16 ( ttyUSB0 to ttyUSB15 ) ports. I want to make udev rule to give device name "AMPM" and ports should be name Port1, Port2,...Port16. Check out this output ...
3
votes
1answer
155 views

Can I set up linux to accept a dial up connection from my old windows95 laptop?

I've got a really old laptop running Windows 95, and I'd like to be able to connect it to my home network. It doesn't have an ethernet jack, nor a usb port. It does have an internal dial up modem ...
3
votes
0answers
618 views

Making voice calls using Huawei E1550

3G dongle Huawei E1550 is able to make voice calls using huawei app in windows. With search I found the same app for linux (called Mobile Partner), seems it's working and makes calls but without sound ...
2
votes
2answers
707 views

Does Linux have support for network interfaces over an AT-Command serial modem?

I've got a Telit GM862-GPS module, which is a GPRS modem with a serial interface and uses the standard Hayes AT command set (with some extensions). What I'd like to do is to be able to connect this up ...
2
votes
1answer
81 views

How configurable is MPTCP?

I work on embedded Linux devices that usually have hard wired Ethernet as well as cell modem connections. If I were to use MPTCP would it be possible to easily configure the system to use eth0 all ...
2
votes
2answers
314 views

How can I tell if PPP compression is enabled for modem?

I'm using Debian Linux on an embedded system, we use ppp to connect to the WAN via a CDMA modem. I want to find out if compression is being used by ppp. In my /var/log/messages I see the line: ...
2
votes
1answer
51 views

How to handle DHCP on two network interfaces, one clobbers the other's /etc/resolv.conf

I have an embedded Debian Linux system. It has two network interfaces, eth0 and ppp0 via a cell modem. The problem I have is that when the system boots up it gets an address via DHCP on eth0. If ...
2
votes
1answer
693 views

Linux PPP : how to debug disconnects with exit code = 16?

I'm using pppd and wvdial on my ARM Linux embedded system. I have a CDMA modem connected via a serial port and am connecting to the Verizon network. I am seeing that several times per day pppd exits ...
2
votes
1answer
74 views

what is the relationship between wvdial, pon and chat?

I've checked their man pages, but I'm still confused. I just know they are all related to ppp connections... I'm surprised that when I googled "pon wvdial relationship", I get no useful results, so I ...
2
votes
1answer
5k views

How to send AT commands to a modem in Linux?

In Linux (Ubuntu) I am trying to send AT commands to a modem at /dev/ttyACM0. I tried to do it as: sudo socat - /dev/ttyACM0 but when typing anything I just get a line repeating this command (I ...
2
votes
2answers
2k views

Endless data loop from dev/ttyUSB while sending AT commands

I have problem sending AT commands to my USB modem. At first I tried php-serial class, but when i was reading data, I got endless loop with strange data. Then I tried to debug problem and opened putty ...
2
votes
1answer
2k views

Make USB modem work on Puppy Linux 5.28

I have an Alcatel Modem, when I plug it on my old dell c600 with Puppy Linux. This is the log from my Puppy Linux 5.28 on my dell laptop: tail -f /var/log/messages | grep usb user.err kernel:usb ...
2
votes
1answer
3k views

USB 3G Modem for embedded Linux?

I am fairly new to Linux world, I have to develop an application on embedded Linux which sends data over internet. I have to choose a USB 3G modem with a SIM card holder. I would appreciate if anyone ...
2
votes
0answers
62 views

Chat application for monitoring with scripts

I am looking for a chat application, which would have the ability to interact with a shell script. I need this for a home project. An example of the usage would be: A client sends a chat message to ...
2
votes
0answers
242 views

How to send a file using xmodem protocol from the command line

Want to shell script this and my scripting skills are rather limited so please bear with me. Have scope attached to RX and TX lines of the serial port. If I do: cat /dev/ttyS0 Get a steady stream ...
2
votes
0answers
400 views

Error while trying to connect to internet using wvdial

I am getting error while connecting to Internet through Wvdial . This is the output which I am getting : tusharmakkar08@tusharmakkar08-Satellite-C660 ~ $ sudo wvdial --> WvDial: Internet dialer ...
2
votes
1answer
675 views

Cannot connect with 3g modem during Arch installation

I was trying to install Arch Linux with 3g modem. I had previously downloaded usb_modswitch and wvdial and their dependencies. I booted Arch and installed them. Then I copied my Ubuntu's ...
2
votes
0answers
177 views

Does HylaFax server run in OS X?

From their FAQ: HylaFAX is intended to run on any UNIX system that supports a particular set of features: FIFO special files, BSD-style sockets and the TCP/IP communication protocols, BSD-style ...
1
vote
1answer
574 views

Reserve Ports for modem

I have a modem with 16 ports using for sending SMS. When it's connected to my Linux machine, I get 16 ports from ttyUSB0 to ttyUSB15. Currently if I remove this modem and attached another it,I get it ...
1
vote
1answer
184 views

High RX packet error count with modem - how to analyze?

I'm testing a CDMA modem on my Debian embedded Linux system. I'm doing some wgets of large files and am seeing the connection drop now and then. Looking at the ifconfig output for the PPP interface ...
1
vote
2answers
368 views

Autodetect modem in Linux?

Is there a way to autodetect modem devices in Linux and then symlink them to /dev/modem using a udev rule? Currently, I wrote a program that probes each serial port, sending AT and waiting for OK. I ...
1
vote
1answer
197 views

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 ...
1
vote
1answer
563 views

Can I get an 8-bit clean connection with 'socat'?

This question is mostly about "socat", but here's some background to go with it: I am trying -- for reasons having mostly to do with nostalgia -- to write a virtual modem driver for use with ...
1
vote
1answer
331 views

Troubles establishing connection with wvdial

I have a Huawei cell modem EM680 with which I can establish a connection on my Ubuntu 13.10 box just fine. I plug it in and I can establish a connection using the Connections Manager. I have a box ...
1
vote
0answers
469 views

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 ...
1
vote
0answers
61 views

How to set up FAX modem card on OpenBSD?

I found a modem card in a dumpster yesterday. It's a Conexant RD01-D270 also marketed as "Dell / Conexant N11846 Modem Card". It still works, I've tested this on Linux, but I'd like to use it in my ...
1
vote
0answers
65 views

Unable to use ztemf 190A from Aircel in Linux Mint 13

I have installed Linux Lint 13 Mate 32 bit edition. I am not able to use my zte mf 190a 3g datacard given by Aircel as there is no driver for this. I do not know anything about Linux. Modem is shown ...
1
vote
1answer
338 views

Qualcomm based modem Venus converted to ttyUSB0 but not responding forever on fedora 18

I've one usb modem qualcomm based, here is my configuration what I've done in the past. wvdial # wvdial phone --> WvDial: Internet dialer version 1.61 --> Cannot get information for serial ...
1
vote
2answers
3k views

D-Link DWM-156 HSPA USB Modem doesn't work with SIM card inserted

I have a D-Link DWM-156 HSPA modem, that I bought just a few days ago. The modem has drivers in its internal storage. There are Debian packages (.deb) for both i386 and amd64, so obviously I installed ...
1
vote
2answers
1k views

Unable to connect INTEX 3.5G (aka 普创E003) Wireless USB modem in Ubuntu 12.04 LTS

Can anyone help me out on connecting INTEX 3.5G 7.2 Mbps (aka 普创E003) Wireless USB modem in Ubuntu? Initially it is recognized as a storage device and the modprobe cmd does not create any impact on ...
1
vote
0answers
1k views

How to install precompiled ath9k driver?

I have a Ubuntu and I have cross compiled an ath9k driver for an ARM architecture. The problem is a can't make the install work as I want to work. README says the following: Building for external ...
1
vote
0answers
153 views

Huawei modem change auto answer settings

Is there a way to change Huawei modem ATS0=1 command to be permanently set, so that there would not be need to send that command every time when modem is plugged in ? On each modem-plugin command is ...
1
vote
0answers
470 views

Auto call answer with Huawei modem

I have problem with call auto answer in modem Huawei E303. On modems E173 auto call anwer is working fine. But on Huawei E303 it's not working. Steps that i do: Open kermit: set line /dev/ttyUSB0 ...
1
vote
0answers
90 views

wvdial connection always shows status disconnected

I use wvdial to connect my usb modem. However, the system always shows "disconnected" as the status. As a result, I cannot use applications which are connectivity-aware. How do I go about correcting ...
1
vote
0answers
188 views

Where are the logs for the serial port (power save modes, specifically)

I'm running a system with Ubuntu 10.10 (pretty old, I know, but it has to be that one), with all its packages updated to the latest version supported (the distribution is not supported anymore so, to ...
1
vote
0answers
594 views

Changing mode preference (1x/EVDO/Hybrid) for USB modem

Device in question - Huawei HC156 (what it says on the packaging)/HC1260 (what it says in lsusb). I CAN connect to the internet with it, but I can't change modes between 1x, EVDO, Hybrid. The option ...
0
votes
1answer
499 views

Ubuntu 10.10: Why does external dial-up modem randomly disconnect from internet?

Background: Dial-up is the only option for this computer Gave up on the internal modem last week; now using an external USB modem. I finally have the computer talking to the internet. HOWEVER, after ...
0
votes
0answers
11 views

Install wifi modem buffalo airstation g54

I borrowed a wifi modem from a friend - buffalo airstation g54 . I don't know anything about the installation, I just would like to use the wifi. I don't have an installation cd. I have found some ...
0
votes
1answer
72 views

BSNL 3G USB modem not connecting

I am using Arch linux (fully updated). I have been trying to get my BSNL 3G usb modem to work to no avail for the past couple of hours. I have already installed modeswitch, wvdial, modem manager, ...
0
votes
1answer
39 views

Send Fax with GSM modem on hylafax?

I have a couple of questions related to using a GSM modem for faxing. I wanted to know if it's possible to send faxes with the hylafax-server from a GSM modem? If possible can you please explain how ...
0
votes
0answers
133 views

How to use Ipfire as a router and modem ? red network problem!

I have Installed Ipfire Linux On an old pc and I have configured green network with A network card and the same for the red network, I want to use this server as modem and router in the same time (I ...
0
votes
1answer
2k views

Fixed udev rules for USB modems

On gentoo i have 10 USB modems and every of them has 3 interfaces /dev/ttyUSB0, 1, 2 and so on for each modem. Sometimes their postitions can change, so it is very difficult to work with them. I'm ...