I need to create an application that interact with a telecom company. The end user make some choice in the application and after that we compose a number that include DTMF tone after a pause (,) to ca
I have researched extensively and am pretty sure this is not possible. I want to make a call and then inject DTMF when the far end answers. So 2 questions
I captured a tcpdump of a SIP call to debug DTMF problem (repeated digits), but I have some problem interpreting it.
I wish to know whether it is possible to send data across PSTN network. While the call is in progress, I want to send some data through the telephone line (as DTMF tones can be sent开发者_如何学C).
I want to allocate a memory buffer and initialize it with data of a mathematical equation in order to gain a pure DTMF tone. I am using the AudioQueueServices library to allocate and fill the buffer.
How do you programatically do this in the Android SDK: Dial a pho开发者_开发技巧ne number Bypass the keypad screen
How to achieve the below requirement using iOS? 1) 开发者_运维知识库Programmatically dial a Phone Number through iOS.
Why do I get a dtmf sound when the E bit is 0 and no sound when it is 1? (RTP packets appear in wireshark either way)
I need to change or customize the call screen when initiating a call on Android. After searching on google I do not find any way to do it.
How to listen to the spoken DTMD digit every time the sound card capture one? The objective is radio controlling my pc and interfaces activities dialing dtmf tones via a hand-held transceiver.