[voip] Forum Topics

Good day. I have a friend who wants to start a business that offer paid telephonic support. How it needs to work is that someone must book a time slot, enter their credit card details or do some sort of payment, and then be allowed to talk to the operator …

A couple questions before I even attempt this project... Is it possible to create a VoIP application in Java? Is it posssibe to do this using standard libraries? If you can't make one with standard libraries, which libraries are needed to accomplish this? Also, is this a good Introduction to …

Hi all, I'm beginner developer and I want to develop a software telephone in .NET. I prefer C#. After some googling, I started to code in C# using the prewritten VoIP components of [Ozeki's VoIP SIP SDK](http://www.voip-sip-sdk.com). Now I have a simple softphone that is able to make and receive …

I want to develop a voip billing system in php and mysql. Do you gays able to help me by giving me some tutorial links.Or some technical suggestion as how to start and how can I do it final.Thanks all in advance for reading my query and trying to help …

Hi all, I found a great VoIP application for WP7 that prevents the service providers to block SIP: http://www.codeproject.com/Articles/722556/How-to-build-a-VoIP-application-for-Windows-Phone. The core of the solution is the following: as it is known, SIP protocol is used in VoIP technology, but its port (5060) is blocked by many mobile service providers. That's …

I am trying to develop a VIOP web application. Please does any body no how to do this in asp.net

Hey guys, This question is pointed at the guys working with voip. Here's the story, One of my client brought me an ATA device telling me there is no more dial tone. I check the hardware and no physical damage. So i tried to enter the admin section. Did * …

Hi everybody, I’m a student learning ASP and I have a project to develop some VoIP applications. I would like to use sample programs by Ozeki VoIP SIP SDK because they have trial version for free. Have any of you tried these sample programs? For example this one: http://www.voip-sip-sdk.com/p_203-asp-net-sip-voip-client-voip.html If …

Ahoi, I am currently developing a Flash client for SIP communication. My biggest help on the subject is the following website, where I have found a great sample program: http://www.voip-sip-sdk.com/p_97-flash-sip-client-example-voip.html The sample program is about how to make a Flash softphone for SIP communication. I hope you will like it …

I have just downloaded this C# Command Line Caller sample program of Ozeki VoIP SIP SDK: http://www.voip-sip-sdk.com/p_163-c-command-line-caller-voip.html It is very easy to use and meets my requirements, but I would really appreciate some extra info from more experienced developers. Has anyone ever built a C# Command Line Caller?

Hello everyone, I am a PhD student in Stockholm, studying VoIP technology. I am in the middle of writing my dissertation, about command line calling. As I'm doing my researches, I've already found some very interesting research material, such as this page: XxXwww.voip-sip-sdk.com/p_251-how-to-use-the-command-line-caller-example-with-ozeki-voip-sip-sdk-voipXxX (cancel the X-s) It would be great …

Hi All I am finding a solution for make a calls from pc. Let me to explain what I need to do exactly. <- What I have -> * I have a per recorded voice cut and I saved it on my pc. * I have a telephone numbers collection …

Hello, I've got an event management company, and I spend a lot of time with hanging on the phone, and also online. I've found out something lately which can make organizing smoother, faster, and more comfortable. But I also have a problem. See, I'm expert in business life, but I …

Hi fellow developers :) I plan to build a C# softphone, but I'm not very secure in my knowledge, so I've done some research. My softphone must be able to register with a SIP service provider. That's priority #1. So my research has included this condition, too. Long story short, …

I recently came across [URL="http://www.twilio.com/"]Twilio.com[/URL] that provides API facilities to implement voice or text capabilities through the internet. They aren't the first to provide this kind of service but the capability of the API and their pricing seem to make them worth looking at for anyone who has a need …

Hi, I am looking to develop a software which can initiate phone call from Computer thru VoIP Gateway. I have found some applications, where I should manually dial the phone number. But I need to trigger call by system itself based on some incidents. Can anyone suggest what technology/languages should …

What are the primary differences between wireless voice and paging systems.

hi everyone. Just out of curiosity more than anything; does anyone know of a library that can grab microphone input (on windows)? I'm looking into how to write a kind of VoIP (voice ip) program. I know how to use sockets for sending/receiving data, but I just need the microphone …

So Google is going to compete with Skype. If you weren't signed up to the GrandCentral service the company acquired, forget it - as per the info on [URL="http://www.google.com/voice/about"]this link[/URL], the service is only available for existing customers right now. All the same, it's an interesting move. At the moment …

[URL="http://skype.com/welcomeback/"]Skype[/URL] is an excellent VoIP phone service for telecommuters or company employees who travel a lot. You can make and receive calls from your computer for free, and get a personalized phone number, voicemail, and other upgrades for a small fee. Skype announced a new fee-based feature this week, voice-to-text …

[URL="http://www.gipscorp.com"]Global IP Solutions[/URL] has one big claim to fame in that it invented the Internet Engineering Task Force (IETF) iLBC codec standard. OK, you might not have heard of this if you are not a card carrying geek, but you have probably benefited from the iLBC codec. This narrowband speech …

[URL="http://www.frsirt.com/english/advisories/2008/0928"]FrSIRT[/URL], the French Security Incident Response Team, has reported that multiple vulnerabilities have been identified in various IP-PBX software applications that can be exploited by attackers to bypass security restrictions and cause denial of service attacks or otherwise compromise vulnerable systems. The software is used by an ever increasing number …

In one of the most incredible cases of I did not do it syndrome, eBay owned VoIP supremo Skype has denied that it was at fault over the system outage which started on Thursday 16th August and prevented the vast majority of its users from being able to login to …

AOL has announced its [URL="http://developers.aimphoneline.com/"]AIM Phoneline Developer Initiative[/URL] that will allow voice application developers and device manufacturers to create new tools to extend the functionality of the still relatively new AIM Phoneline service. Examples of the new APIs for call personalization (or ringtones as mere non-marketing mortals might say), untethered …

AOL has announced its [URL="http://developers.aimphoneline.com/"]AIM Phoneline Developer Initiative[/URL] that will allow voice application developers and device manufacturers to create new tools to extend the functionality of the still relatively new AIM Phoneline service. Examples of the new APIs for call personalization (or ringtones as mere non-marketing mortals might say), untethered …

The growing acceptance of IM in the workplace has, eventually, made an impression on [URL="http://www.aol.com"]AOL [/URL]which has started a public test of AIM Pro PE (Professional Edition). Although not expected to actually launch until the autumn, one has to wonder how much weight the consumer oriented AOL brand carries in …

Telephone customers who use the relatively new Voice over Internet Protocol technology to power their phones need to understand how 911 dialing works. If they don’t, they’ll lose their phone service, according to the Federal Communications Commission. Here’s the reason: In the past, when emergency calls were received by 911 …