modem

问题 Is there a telephone application for modems that can receive a phone number as a parameter and manage the call for themselves? I ask because in my application I must implement a click2call functionality and may be is a free software out there that I can use and I do not have to fight with TAPI. Thanks! 回答1: Here are a few wrappers available to abstract away the complicated parts of using TAPI. TAPI Wrapper http://www.vbrad.com/article.aspx?id=61 Normally, the domain of C/C++ programmers, this

问题 I read that a GSM modem can only receive up to 30 SMS per minute. What would you do if you need to receive more than that? Is there another technology? 回答1: I think you might want something different to those answers listed at What are the best practices for building an SMS server If you just have one service that is running where you want to receive many SMS then it would be most cost effective (and simplest) to avoid integrating with a mobile network operator and instead use a SMS

问题 I'm running Ubuntu 11.04 and a ZTE 3G modem. The modem is dialed with WvDial When the modem is not in use by WvDial I can send AT commands to the modem, and get information like signal strength: AT+ZCSQ +ZCSQ: 1, -87 OK But when WvDial is using the modem, /dev/ttyUSB0 is locked and I can't query it. Am I missing something obvious? Is there any way I can configure the modem, WvDial , or pyserial so I can send AT commands to the modem while it's connected? 回答1: Ah. Apparently this modem exposes

问题 I'm running Ubuntu 11.04 and a ZTE 3G modem. The modem is dialed with WvDial When the modem is not in use by WvDial I can send AT commands to the modem, and get information like signal strength: AT+ZCSQ +ZCSQ: 1, -87 OK But when WvDial is using the modem, /dev/ttyUSB0 is locked and I can't query it. Am I missing something obvious? Is there any way I can configure the modem, WvDial , or pyserial so I can send AT commands to the modem while it's connected? 回答1: Ah. Apparently this modem exposes

问题 is it possible to call Computer A with Computer B in Same Country via theirs dial up modems? i mean use computer as telephone (with Dial Up modem) i no need transferring voice just : 1) Computer A Dialing Computer B (with the Phone number) 2) Computer B is see that computer A is calling. 3) Computer B Answer. please putting sample code or link for more information. if there is any library exist that made my work easier introduce to me. i don't want to involving with AT Commands. does this

问题 I have a D-Link DWM-156 3G USB modem that I want to send AT-commands to from my application (C# .NET 4.0 running on Windows XP SP3). After plug-in and installation of drivers the modem shows up like this: In Device Manager , two serial ports are added: D-Link HSPADataCard Diagnostics Interface (COM4) D-Link HSPADataCard NMEA Device (COM5) In Control Panel, Phone and Modem Options , a new modem is added: D-Link HSPADataCard Proprietary USB Modem (attached to COM19) QUESTION: Which com port

问题 I'm developing SMS system using C# and using GSMCOMM free API(http://www.scampers.org/steve/sms/libraries.htm) to send SMS. As the system can only send SMS less than 160 characters, I cut the LONG SMS into two messages and send them out. The problem is that the customer will receive two SMS, which is quite irritating. Is there any way to enable customer to receive them as one SMS? 回答1: If using HTTP, you have to set the MLC to 2. Message length control: determines system behavior when the

问题 Using RXTX library im doing serial communication.I want to do it in swing based application Write an AT commands to read received SMS in GSM modem I need to send the messages to mobiles from java application Is there any Java API which send/receive SMS using RxTx libraries. 回答1: I don't have much knowledge about that .. just take a look... AT Commands.. and this one..also.. Sending SMS Messages from a Computer Using a Mobile Phone or GSM/GPRS Modem and SMS using AT commands with your GSM

问题 In my application user has to create a new dial up network connection in windows but i want to do this programmatically.Is there any API present in java that can help me for creating new network connection. 回答1: There is no way to create a Windows dial-up networking connection using pure Java. You might consider using Java to call built-in Windows command line programs though. See this as a starting point: http://support.microsoft.com/kb/555935 回答2: What do you need the network connection for

问题 I have an application written in C that reads text messages from a modem using AT commands. A typical AT response from the modem looks like this: +CMGL: 1,"REC READ","+31612123738",,"08/12/22,11:37:52+04" The code is currently set up to only retrieve the id from this line, which is the first number, and it does so using the following code: sscanf(line, "+CMGL: %d,", &entry); Here, "line" is a character array containing a line from the modem, and "entry" is an integer in which the id is stored