Top "Gsm" questions

sim800 at command post data to server

I'm stumped with sending data to a remote server , I'm able to send a post request but not sure how …

http gsm at-command gprs

AT+CMGS returns ERROR

I am using SIM900 GSM module connect to my AVR Microcontroller. I tested it with FT232 to see transmitting data. …

serial-port sms gsm avr at-command

Android as SIP to GSM gateway

Soon I could use a SIP to GSM gateway, because I'll need to make phone calls from Germany to a …

android sip gsm gateway

error +HTTPACTION:0,601,0

I m trying to access a website using sim900 GSM module. This is the list of commands AT+CSQ +CSQ: 16,0 …

gsm

How to send SMS by GSM modem in PDU mode?

I want to send SMSs in PDU mode. I have checked the spec for my modem, and it supports PDU …

gsm modem

Answer incoming call using android.telecom and InCallService

Since API 21, Google has been adding features to android.telecom in general, especially by implementing more members of TelecomManager and …

android gsm telecommunication

Voice call through GSM modem

I would like to use a GSM modem to make a voice call to a phone number, play a recorded …

gsm modem ivr

How can I extract the MCC and MNC from a PLMN?

I am running the AT command AT+KCELL to get cell information and it returns, amongst other things, a PLMN (…

gsm at-command

SIM900 GSM/GPRS not getting a proper AT+CREG? answer

I'm using an Arduino UNO with attached IComsat SIM900 GSM/GPRS shield. Using the following tutorial: Arduino Live GPS Tracker …

arduino gsm at-command gprs

OpenSource .net SMS library, I can't seem to find one at all for C#

I've been using GSM modems in my projects to send/recieve SMS-s. I have been using built-in serial port communication …

c# .net sms serial-port gsm