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Questions tagged [telecommunication]

Telecommunication domain relates to wireless standards like GSM, GPRS, UMTS, LTE, WiMAX, IEEE 802.11. Programming questions related to 1G,2G,3G,4G,5G Cellular Communication can be asked here.

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Detect cellular network connection type (2G/EDGE/3G/HSPA/HSPDA/LTE) in unix

Using the ifaddrs API, i was able to detect different interfaces like eth0(for ethernet)/wlan0(for wireless)/ ppp0(for cellular). I have read this discussion for android : Detect network connection type on Android Whether similar to these things…
prashant
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Short messages service center queue and retry

I've searched a lot for the design of the sms queue and the retry scheme of the SMSC and it looks like it's a secret :), nothing in Google ever mentioned about it. Anyone knows how it works and how to design it? I'm looking for the methods and data…
user_iv
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Interpreting SMS messages from GSM modem

I would like to be able to output information from a quad band GSM modem. The modem would be connected to a computer, and the idea is that I could send AT commands or SMS from very large distances to the modem. The modem would receive the…
thateurokid23
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how to send voice from microphone or play recorded audio from hsdpa dongle C#

I have done all call dialling part and it works. Now I need to play recorded sound or microphone in put sound through phone.I just need to know how can I pass the audio to the dongle and send it through the call. this is my working code for dialling…
Sajith Dushmantha Samarathunga
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How to install tcap/map protocol interfaces to linux?

We want to find a software stack that supports map/tcap protocols. We do not want to use Dialogic. Is there any open source, free version for this?
fatih tekin
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How to see the version of the TAP file

This is a telecom based query. we receive TAP files from the clearing house. i want see on unix which version of TAP does it belong. how can i do it.Isthere any tool to find the TAP file version?
Vijay
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MATLAB, Double threshold

Can anyone help me with creating a function to apply two thresholds on received signals. These thresholds are then compared with the received power. The thresholds are w1 and w2, where w2>w1. I want this function to give me one of three answers. 0,…
user2236015
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C# for telecom applications?

who is using .net technologies for telecom applications? Are there any resources for this? I am interested in topics as SS7 signaling, ASN.1, MML Commands etc. Thanks
user182928
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Channel estimation in BPSK modulation

Please see below my code that estimates channel response. How should I integrate both channel estimation and pulse shaping into my code? %SNR (Eb/No) values in decibels SNR=[0:2:14]'; %column vector %SNR in linear scale snr=10.^(SNR/10); …
Maira Alvi
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rerouting a normal phone call to skype

I am a mobile/web developer but Im trying to see if there is any way this is possible: Rerouting an incoming telephone call to skype or any other voice chat application? Can anyone explain what technologies/ APIs are available to do something like…
banditKing
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What stops Windows from having an open IP connection when an LTE modem is plugged in?

When you plug in an LTE modem, as part of the attach process to the LTE network, it sets up a default EPS bearer to carry signalling traffic. This default bearer is an IP connection with a Traffic Flow Template suitable for signalling traffic. The…
user1725145
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is it possible to identify telecom provider by mobile or phone number?

There are ulimited online bulk sms provider supporting Restful API. Mainly I look into Nexmo, Tropo, Twilio pricing in different countries. Let take an example sms to Brazil. [ TROPO ] 2¢ / msg [ Nexmo ] 3.63¢ / msg [ Twilio ] Twilo offers based…
Madan Sapkota
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Service requirements from Telecom API

I created a service or application (whatever you call it ;)) which use Location and SMS REST API which are provided by Telecom. I hope that i do not have to explain what that APIs do, but first is obtaining a mobile phone location and second one is…
Lukasz Ciesluk
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Is UTRAN used also for Voice transmission?

In Mobile Communication have have 3 access networks. GERAN is the oldest one and it is used for circuit switch voice transmission but also for Packet Switched transmission(GPRS,EDGE) Than we have UTRAN. Its used by UMTS and HSDPA. My Question now.…
Rob Anderson
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Service and telecom requirements

I have a question concerning about application testing coupled with external interfaces (REST - Representational State Transfer). Well, let's say I want to develop a service which would use the platform Telco 2.0 (the telecommunication interfaces)…
Lukasz Ciesluk
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