Hi, My name is Thomas (21), I am student of computer engineering. Task at my school was to make a program that changing original SIP/SDP messages when using VoIP. The task was hard, I admit to find help on the internet. I found SIP SD ...

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 includ ...

Hi everyone, I've just started to develope a C# SIP softphone, but I've stuck with the process for a couple of days. The ringing itself isn't working. I plan to use this program (http://www.voip-sip-sdk.com/p_190-how-to-ring-a-c-sip-sof ...

Hi, Lately I found a C# sip sms example. With it an efficient system can be built for sending sms information or notification. I want to ask your opinion if I should try it or not. It can be found here: http://voip-sip-sdk.com/ ...

Hi, I would like to build up an automated dialer system. I have downloaded a sample program from this page: http://www.voip-sip-sdk.com/p_133-source-code-for-building-c-autodialer-using-ozeki-voip-sip-softphone-source-code-voip.html T ...