I need to determine whether a phone number is valid before attempting to dial it. The phone call can go anywhere in the world. What regular expression will match valid international phone numbers?...

I am using asterisk with normal PHP AGI following this link the problem is that my PHP AGI takes 5 seconds to execute .I just want to set some waiting tone for the user to wait until the AGI is bee...

I'm going to develop an on-line IVR application using Java (without PBX). In the software requirements there are some mathematical calculations and database communication which I prefer to implemen...

I am using sagoma 8 port card My chan_dahdi.conf to configure the ports are ;autogenerated by /usr/sbin/wancfg_dahdi do not hand edit ;autogenrated on 2015-06-12 ;Dahdi Channels Configurations ;F...

I am trying to make IVR system GSM modem. I am done with calling on number using code below SerialPort SP = new SerialPort("COM3"); SP.BaudRate = 9600; SP.Parity = Parity.None; SP.DataBits = 8; SP...

In my Twilio-based application I create outgoing calls via the Twilio REST API. When the target side responds, I put him/her to the recently-created conference. How can I play a certain set of DTMF...

I think to make it possible I need to make the app automatically respond to the incoming calls. Is that possible at all? I want to build an android application for small business. Using this...

I would like to know the following whether possible with Android or not. I keep searching on line but no luck. I feel that may be possible with new versions of the Android. I want check with expert...

I have a file named jvxml-implementation-0-7.xsd in my project. The contents of the file are <?xml version="1.0" encoding="UTF-8"?> <xsi:schema xmlns:xsi="http://www.w3.org/2001/XMLSch...

I would like to use a GSM modem to make a voice call to a phone number, play a recorded message, wait for a digit to be pressed and then disconnect the call. The system needs to know if the line wa...

I am trying to build an IVR and hook it up to my website, what are the different (inexpensive) ways that I can do it.

I need to build an IVR application (possibly 10 Phone lines). I am entirely new to this domain and am familiar with some concepts, Can someone please provide me with some links/advice on how ...

I am trying to find out if it's possible to build a complete IVR application by cobbling together parts from open source projects. Is anyone using a non-commercial VoiceXML implementation to build ...