telephony

What's your Interactive Voice Response Platform?

For those of you working in the voice space, what are you using as your IVR platform? I am using Microsoft Speech Server 2007. What are some equivalent packages? Is anyone using open source software for handling inbound or outbound calls? Note that I'm not just talking about speech recognition, which is one component of a comprehensi...

Programmatically get own phone number in Symbian

How to get the phone number of the device in Symbian? ...

What is the best way to get started using Asterisk?

I'm interested in learning more about Asterisk (open source PBX) so I thought I would try building a "hobby" system for my home. Just play around with getting a juiced up voicemail system going for my family. That is, until I found out that a TDM11B kit from Digium costs over $500(!) if I want to get an FXO/FXS card with echo cancellat...

Does anyone know of a good, simple C++ based SIP stack that I could use?

I'm looking for a very simple way of answering a call placed down a SIP trunk. I don't need anything more than being able to answer the call when it rings and being able to detect when it has ended. Does anyone have any good pointers to get me started? Ideally, I'd like to find some simple open-source C++ code that I could use as a ba...

IVRS Models

IVR Systems are so expensive and proprietary. The vendor systems I've used are all pretty weak... What is a good alternative to Genesys, Intervoice, etc.? ...

TRS to RJ9 conversion for audio in/output

I was wondering if anyone had resources that I could reference for creating a TRS (Tip-Ring-Sleeve) 1/8" audio, to RJ9 Telephony jack conversion kit. Effectively, I'm trying to create a bridge from an audio device (PC/MP3 player) to a telephone connection, allowing audio from the PC/MP3 player to be broadcast into a telephone line. Try...

IP phone to web application integration

If I'd like to control the IP phone from my web application, how should I begin? Let's say I have a standalone IP phone connected to the provider of IP telephony services. On the other side I have a server-side web application for the sales support. I'd like to initiate a call on my phone from this web application, on the other side I'd...

IP Telephony - Connect 2 Users Anonymously?

I need to connect two users via IP telephony in an anonymous fashion. Ideally they would both click some button (say on a web site or some piece of client software) and enter into some queue that I maintain server side. When there's enough users in the queue I would pair them up and connect them in an anonymous fashion. At this point...

Calculating different tariff-periods for a call in SQL Server

For a call-rating system, I'm trying to split a telephone call duration into sub-durations for different tariff-periods. The calls are stored in a SQL Server database and have a starttime and total duration. Rates are different for night (0000 - 0800), peak (0800 - 1900) and offpeak (1900-235959) periods. For example: A call starts at ...

Send Voicemail

I'm looking into ways of sending a voicemail message (ideally as an audio file) to a number of mobiles/landlines in the UK (anywhere up to 300 people, but we can do them in batches if necessary). Has anyone had any experience trying to do this? ...

Telephony event notification in .NET

Hello, I have a Windows Forms application, developed in C#, that would benefit from being able to receive telephony event notifications. For example, if office worker Joe answers a telephone call on his organization's PBX system, I need my desktop application to know it (as well as when he initiates a call, when he hangs up, etc.). I ...

How do we capture SMDR\CDR from PBX?

I just try to build Call Monitor system that reading SMDR\CDR from my PABX through Serial port or IP. So that I can produce some reports from that data. I know data output format is different from each manufacturer, so how can we handle this problem? Is there any libraries or sample projects that easy to get started? ...

any way to "ping" a phone number?

We have a customer who wants to go through their CRM database and somehow determine phone numbers which are valid, without actually having someone sit there and try calling them all. Is there any way to do something akin to a "ping" on a phone number (including landlines)? ...

Looking for a VoIP service provider

I am looking for a VoIP service my application can use to call landlines and mobile phones. What I need: I would generate an audio file and send it to the service. The service would then place the call and play the audio file. Other features that would be a plus: TTS (I send text and the service converts it to audio for me) Abili...

How to geocode a phone number in the United States?

I am looking for a way to get the latitude and longitude coordinates of any area code + prefix land line phone in the United States. Does anyone know of a data provider or service that could be used to do this? EDIT: I understand that the location of cell phones or VOIP lines probably cannot be geocoded and this is fine by me. I am ...

How to reject a call without delay in ring on windows mobile?

Hello, I am trying to write a code to reject the incoming call programatically on windows mobile 6. my requirement is to achieve this without a single ring. I tried using systemstate property but it gives deley of one ring. I even tried with OpenNETCF's tapi wrapper but still i am getting the same result. Can anybody tell me what act...

UIApplication sharedApplication tel: add numbers to the current call (objective-c)

With iPhone you can dial a number and you can add some other persons to the call using the iPhone-panel (manually). I want to do it automatically. I can dial a number from my native iPhone-Application with: [UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel:...."] The native "call" get started and when I finish it,...

Dial using second sim card (j2me)

For dual sim phones, such as samsung D780, is there a way to dial a number using second sim card. What I currently use is platformRequest("tel:+1201xxxxxx"); I've tried playing with ;tsp= but with no success. I must be missing something. ...

Is it possible to recognize barge-in?

Is it possible to recognize when a caller has barged-in with DTMF? Is there something in VoiceXML like an event that I could catch? The problem that I am trying to solve is we need barge-in to 'cascade' for several prompts so I was thinking of setting a variable if I could recognize barge-in and then skip over the next few prompts. ...

Netmeeting in C#

I want to get some of the netmeeting functionality in my C# program. Mainly I want to be able to call a H.323 teleconference system by IP. Google turns up mention of Netmeeting SDK but no download link and it seems that Microsoft has discontinued Netmeeting altogether. Can someone give a suggestion or a pointer on the best way to go ab...