Solved

how to build softphone(using SIP protocol) using c#.net

Posted on 2009-07-01
2
2,575 Views
Last Modified: 2012-06-27


Hi all! I have this challenge to build an sip softphone using c# or .net technologies.

Please guide me the technology, requirements and specifications that is needed to build such.

Possible requirements:

Supported codecs:
G.722.1, G.723.1, G.726, G.728, G.711, G.729, G.723.1, iLBC,: G.711 (A and m-law),G.729A/B/D/E, AMR, GSM 6.10/EFR, iLBC, Speex

Voice:
      Real time Quality Monitoring (MOS) 3 independent phone lines
      Auto-Answer/Do Not Disturb Call
      Forwarding Full Duplex Audio
      Recording compress the audio data.
   
      Fully SIP compatible softphone/dialer for PC2Phone and Mobile2Phone (iPhone, Nokia N95) application with symbian s60 , full source code should provide.
   
      Compatible with Windows 2000/XP/2003/Vista/Mac
   
      NAT/Firewall traversal feature    

      Works with any 3rd party SIP Server    

      Supports SIP outbound proxy    

      Displays callers account balance  

      Displays call credit time

      Automatic Echo Cancellation

      Automatic jitter buffer adjustment

      Last number Redial

      History of 10 last dialed numbers

      Quick dial user list

      Quick provision for customers, only user name and password required

0
Comment
Question by:srikanth_matti
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 12

Accepted Solution

by:
topdog770 earned 50 total points
ID: 24808732
Hello srikanth:
First off, 50 points for this question, seems out of balance.  You're asking for the world and basically asking for it for free.
 
Here's a couple of promising links:
http://stackoverflow.com/questions/498056/c-sip-stack-library
http://www.codeproject.com/KB/cs/SIP_stack_with_SIP_proxy.aspx
 
Does open source C# SIP exist? According to this posting, the answer is no.
http://bytes.com/groups/net-c/254426-sip-stack-c 
0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

SSL stands for “Secure Sockets Layer” and an SSL certificate is a critical component to keeping your website safe, secured, and compliant. Any ecommerce website must have an SSL certificate to ensure the safe handling of sensitive information like…
Worried about if Apple can protect your documents, photos, and everything else that gets stored in iCloud? Read on to find out what Apple really uses to make things secure.
This video will give a brief orientation and organization of Logic Pro X, and how to access different work spaces quickly with keyboard shortcuts.
This video will demonstrate how to customize windows, tools, and control bars, and save them as screen sets. Open and resize windows: Customize the toolbar: Customize the control bar: Customize your tool selections: Your screen set is alread…

729 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question