modem

问题 I'm trying to get the SIM number (ICCID, not IMSI) of my 3G Huawei E5830 modem using AT commands (also called Hayes command set ). Unfortunately, it's not specified in the modem formal documentation. 回答1: for sim900 AT+CCID gives CCID. e.g.89912200000280775659 The first two digits (89 in the example) refers to the Telecom Id. The next two digits (91 in the example) refers to the country code (91-India). The next two digits (22 in the example(MNC of IDEA)) refers to the network code. 回答2: Try

问题 I was wondering if any of you know what I'm doing wrong here? So I have this program in C, that sends AT commands to a modem. These commands have been tested on hyperterminal and work fine, but when sendind them through the modem I get, first, and "OK" for the first "AT" command, which is good, but then, upon sending the next command, the modem answers with "AT+CC"...which I have no idea what it means. Any help is appreciated. Source: void sendSMS(const char* port, const char* number, const

问题 I am trying use a ZTE Modem for testing purpose to send and receive sms on c# application. This is the modem I am using. http://www.flipkart.com/zte-mf190-3g-data-card/p/itmdhhrb6jwx9gjs. I am facing a problem when the software that is comes with the device is open, the device is registered to network as soon I close that software, the light on modem become red. I thinks that the software comes with device sending a command to modem to register to network, but don't know which I tried with AT

来源： https://stackoverflow.com/questions/43054165/modemmanager-mmcli-get-signal-strength

问题 I'm currently developing an SMS sender using C# (2010). The program does send the message but the message received was not the message sent, (i.e " yt+ 35") and while running the program several times, the received message do not contain anything at all, even the senders number. I am using a GSM modem and COM port for sending. Any idea what I am missing here? Code found in the Class: if (this.serialPort.IsOpen == true) { try { this.serialPort.WriteLine("AT" + (char)(13)); Thread.Sleep(4);

问题 I have Mio A701 communicator that I would like to use as GSM modem for sending SMS from my Mac. What I've found so far is that one just can send an AT commands directly from terminal to special ports like /dev/ttyUSB0 if modem is connected via USB port or /dev/rfcomm0 if connection is handled via bluetooth. My problem is that when I try to issue a command I get a "permission denied" response: "AT+CMGS=test\r" > /dev/ttyUSB0 -bash: /dev/ttyUSB0: Permission denied Also "ls /dev" shows that

问题 I have a USB modem. Is it possible to detect the phone line is busy or not? I thought I could use AT Command to detect dial tone, but I'm not sure are there any commands support that. Thanks. 回答1: I believe you have to do this the same as a human would... take it off hook and wait for dial tone. Ripped from http://michaelgellis.tripod.com/modem.html D alone will take the modem off-hook and wait for a dial tone. (see X command for exceptions). The length of time to wait for a dial tone before

问题 When I connect modem befour PC start all works fine. But when connect to working PC have bug. Have no use any drivers from other place all work on default debian jessie repositories. Here dmesg: 171.342776] usbcore: registered new interface driver usb-storage [ 171.528837] usb 2-5: USB disconnect, device number 2 [ 171.998784] usb 2-5: new high-speed USB device number 3 using ehci-pci [ 172.131651] usb 2-5: New USB device found, idVendor=1199, idProduct=0029 [ 172.131658] usb 2-5: New USB

问题 I am new to windows programming but have programming experience on linux platform. Anybody can please clarify the following. I need to install a modem in windows xp through c program or batch script. Modem i have is a serial modem.Whenever i connect the modem that is coming as a serial port.I have to install that modem using windows standard medem driver(Modem.sys).That i have done through control panel item "phone and modem" . But i want to do that installation using c program or batch

问题 I am trying to receive SMS messages with a Huawei Mobile Connect, Model: E170 device through hyper terminal but can't. I used the below commands to initialize the modem: AT+CMGF=1 AT+CNMI=2,2,0,0,0 (But this gives me this error: +CMS ERROR: 303) This same commands working on my nokia N70, 6630 and many other nokia models i can't remember. I know the modem can receive and send SMS messages, but how do i do it? 回答1: Below worked for me in Huawe E153. at+cmgf=1 //Set text format at+csmp=49,167 /