Top "Telephony" questions

related to transmitting or receiving data over telephone networks.

Android: get CellID and RSS for Base Station and Neigboring Cells

I'm trying to get the following data: Base station: CellID and RSS (recognition which one is the base station) For …

android telephony telephonymanager cellid phone-state-listener
Detect if an outgoing call has been answered

Once ACTION_NEW_OUTGOING_CALL has been broadcasted, I need to capture the following event of the other party answer. …

android android-intent telephony
SIP Error 481 Call/Transcation Does Not Exist when transferring

Our phones are done through SIP and we were noticing this error appearing on our server. After running tests, we …

sip wireshark telephony sip-server
Get current MCC/MNC from mobile phone number

I would like to know how I would go about finding out the 'current' MNC from a UK mobile phone …

gsm phone-number telephony cellular-network
What is the use of TelephoneNumberUtil class?

I want to know the basic use of TelephoneNumberUtil class in Android. I searched on that but in the Android …

android phone-number telephony
How to record call in android? Is it possible?

I want to record call from android phone. I am using android.media.MediaRecorder pckg. Also used following code: mrec.…

android audio-recording telephony phone-call
Check to see if telephone number is active/real

I have a new project on hand on which is quite complex as i am not aware of its domain. …

c# voip telephony ivr
Android: TelephonyManager.getSimSerialNumber() returns null

in which cases this method returns a null reference? Can only depend on the sim card? Doesn't exist, in these …

android telephony telephonymanager
How make use of the Voice API to make calls using Huawei 3g Modems?

Some Huawei 3g modems like mine (E1752) has ability to make and receive calls. I believe onboard there is PCM …

macos cocoa api telephony 3g
Create an application using TAPI on windows 7 - where to start

does it working with it and which is the good start for TAPI... i want to create an application which …

c# asp.net windows-7 telephony tapi