VoIP bookmarks from Klaus Darilion
Below you will find descriptions and links to SIP and RTP stacks,
applications, test utilities, SIP proxies, SIP PBXs and STUN server and
clients. Most of them are open source :-), but not all of them :-(
If you have any comments please feel free to contact me: -->
klaus.darilion at pernau.at <--
There are also .
Note: I mainly searched for C/C++ stacks and applications. There also
exist a lot of stacks and applications for other programming languages,
especially for java. If you are looking for Java stacks/applications,
please ask Google (search for: NIST java jain).
RTP Stacks (mainly open source C/C++ stacks)
- jrtplib: A very nice, simple C++ RTP stack. Works
on Windows, Linux.... ; License: Free; Homepage: .
This stack is not symmetrical, but you can use my version of
(for jrtp version 2.8) to make it symmetrical. (send RTP and receive
RTP on the same port, send RTCP and receive RTCP on the same port).
- Common Multimedia Library: from UCL London,
includes RTP stack; C; License: Free; Homepage:
- ortp: C; License: ;
Homepage: ;
without RTCP, from linphone
- GNU ccRTP: C++; License: (with ); Homepage:
- LIVE.COM Streaming Media: C++; License: ;
Homepage:
- Morgan RTP DirectShow Filters: C++; License:
?; Homepage: ;
based on liveMedia library
- RTP from vovida.org: C++; License: ;
Homepage:
- RTPlib: RTP library from Lucent
Technologies/Cloumbia University; C; License: ; Homepage:
- librtp: C; License: ; Homepage: ;
from
- Microsoft RTC API: The Mircosoft RTC API is a
high level SIP and RTP Stack. Its included in Windows XP and also comes
with the several Windows Messenger. Version 1.2 introduced a lot of new
features is behaves strange when used with other SIP clients. Developer
Homepage: .
- sipXmediaLib: Part of pingtels open source
releases for VoIP. License: ;
Homepage: .
-
SIP Stacks
external
- dissipate: C++; Linux, requries the qt-library,
License: ;
Homepage: ;
The original dissipate by Billy Biggs.
- dissipate2: C++; Linux, requries the
qt-library, License: ;
Homepage: ;
A enhanced dissipate, is part of the kphone distribution.
- GNU osip: C; Linux+Windows+...; License: ;
Homepage: ;
Also known as libosip. Note: The interface of osip has been changed and
from now on it will be called osip2! Download the tar file from .
- GNU eXosip: C; Linux+Windows+...; License: ; Homepage: ;
The extensible osip: "...It aims to implement a simple high layer API
to control the SIP for sessions establishements and common extensions.
Once completed, this eXtended library should provide an API for call
management, messaging and presence features.... Download the tar file
from .
- SIP from vovida.org: C++; Linux+Windows+...;
License: ; Homepage:
- resiprocate: C++; Linux+Windows+...; Includes
now a high level API (DialogUsageManager) which supports refers, ...
License: ;
Homepage: .
- Microsoft RTC API: The Mircosoft RTC API is a
high level SIP and RTP Stack. Its included in Windows XP and also comes
with the several Windows Messenger. Version 1.2 introduced a lot of new
features is behaves strange when used with other SIP clients. Developer
Homepage: .
- sipXtackLib: Part of pingtels open source
releases for VoIP. License: ;
Homepage: .
There is also a high level call library (),
which implements JTAPI in C++.
- libmsip: A C++ SIP stack for Linux developed
for the miniSIP project. Homepage: .
-
RTP Applications
- RAT - Robust Audio Tool; Supports a large number of
codecs, ... License: Free; Homepage:
- JMF - Java Media Framework: Can receive and
send RTP streams; Homepage:
- MP3/RTP Plugin for Winamp: Homepage:
- Vomit - Voice over Missconfigured Internet
Telephones: Plays back captured voice conversation; Homepage:
- RTP Tools: Several RTP utilities from the
Columbia University; Homepage:
- UDP Packet Reflector/Forwarder: A tiny tool
which forwards or reflects UDP packets. You can also add delay and
packet loss. Very useful if you want to test RTP applications. Homepage:
.
As I was not able to compile this tool I searched and found a binary
somewhere in the web. You can download it
-
SIP Phones (SIP User Agents)
- x-lite, x-pro: A SIP client for Windows; Mac OS and
Windows CE, .
A really nice SIP UA with a lot of features. The light version is free
and really rocks, the pro version not. Supports
multiple proxies.
- eyeP Phone Lite: A SIP client for Windows, a
FWD version is available for free .
- SIPPS: SIP softphone with answering machine
and a lot of features. They have also integrated support for nikotel.com
for SIP-PSTN termination..
A Demo for testing is available. The configuration is a bit weird
(whats the difference between a proxy and a redirect server?).
- MSN Messenger: Microsofts Messenger, Version
4.6 allows also connections to other SIP servers than microsofts one.
Nice design, works very well. Can be used with the SIP service of
iptel.org. Homepage: ;
local for Windows NT (2000).
- MSN Messenger: Microsofts Messenger, Version
4.7 allows also connections to other SIP servers than microsofts one.
Nice design, works very well. Can be used with the SIP service of
iptel.org. Homepage: ;
local for Windows XP.
- Microsoft portrait: Windows SIP client that
supports Audio, Video and IM. Uses RTC API 1.2 and therefore has poor
compatibility with other SIP clients..
- Ubiquity User Agent: Java based SIP Client for
Windows, very useful, you have to register (free) to get an license;
Homepage:
- EZ-Phone (Evaluation Version): SIP Phone for
Windows; Homepage:
- MySIP: SIP User Agent from Siemens; Homepage:
- SJPhone: SIP and H.323 Softphone for Windows,
Linux and PocketPC from: .
The is a little bit tweaky. And there must not be another
SIP client running on port 5060 or the SJPhone wont work.
- Linphone: A SIP Softphone for Linux (GNOME),
needs libosip ans oRTP; Homepage:
- KPhone: A SIP Softphone for Linux (KDE);
Homepage:
- Vovida: Complete SIP Suite for Linux (Uaser
Agent, Proxy, ...), very, very big software contruct; Homepage:
- Siphon: Linux SIP Softphone; Homepage:
- ActXPhone: An ActiveX-Control SIP Softphone
based on the Microsoft Real Time Communications (RTC) API..
- sipXphone: Part of pingtels open source
releases for VoIP. License: ;
Homepage: .
This softphone also requires lots of other libraries from the sipX...
software at sipfoundry.org.
- Shtoom: An open source, cross plattform SIP
client written in Python. License: ;
Homepage: .
- Cornfed SIP-UA: A SIP user agent for Linux.
License: Free for non-commercial use (binary distribution); Homepage: .
- MiniSIP: An open source SIP user agent for
Linux which runs on PDAs. It is based on several libraries, including
libmsip, a C++ SIP stack. Homepage: .
-
SIP Test Utility
- sipsak: SIP Swiss Army Knife, very useful test
utility (Linux); Homepage:
- SIPNess: Ortena Networks SIP Messenger, very
useful test utility for windows; Homepage:
- SIP request generator: A web based generator
of SIP requests: send SIP requests to SIP UAS and waits for final
response: Download at
or test it online at Download at
- NastysipA simple Linux-program from SX-Design
that generates bogus SIP-messages and sends them to any peer. Download
at http://www.sxdesign.com/index.php?page=developer&submnu=nastysip.
- sipXtest: Part of pingtels open source
releases for VoIP. License: ;
Homepage: .
- SIP Forum Test Framework (SFTF): A Framework
to test SIP devices for common errors. License: ; Homepage: .
- callflow: a powerful SIP call flow visualizer;
Homepage: .
- SIP Scenario Generator: a powerful SIP call
flow visualizer; Homepage: .
- SIPp: a powerful SIP performance testing tool
sponsered by HP; Homepage: .
-
SIP Applications (Proxy, Location Server)
-
Sip Express Router (ser)
: Highspeed GNU SIP proxy with a lot of
features and a lot of ongoing development. Homepage: . A
really cool SIP proxy - I like it! You can also take a look at the development homepage
with web CVS. At the beginning you should read the
and the .
-
Ser Media Server (sems)
: Media Server add-on for ser SIP proxy.
Homepage: .
Supports voicemail, IVR, SIP/PSTN gateway ...
- Asterisk: Linux Software PBX with Gateway, SIP
Proxy, Gateway (SIP, H.323, PSTN, ...); Homepage:
- sipd: A Linux SIP proxy from SX-Design written
in C (GPL): http://www.sxdesign.com/index.php?page=developer&submnu=sipd
- partysip: A Linux SIP proxy based on osip2
(LGPL). Developer homepage is at: ,
you can download tar packages from: .
- mysip: A SIP proxy server from Siemens for
Windows platforms. Homepage:
- Fomine RTC server: A SIP proxy server for
Windows which uses its own SIP stack (does NOT need the RTC API)
Homepage: .
The unregistered version can be used up to 5 users.
- sipXpbx: Part of pingtels open source releases
for VoIP. License: ;
Homepage: .
This PBX combines various sipX applications like a SIP proxy
(sipXregistry, sipXproxy), a media server (sipXvxml) and lots more.
- yate: Yet Another Telephony Engine - a PSTN
gateway. License: ;
Homepage: . This
gateway supports H.323, SIP and zaptel (->asterisk) based PSTN cards.
-
STUN server and clients
- mystun: STUN server and client library from the
iptel.org guys. License: GPL, Homepage: http://developer.berlios.de/projects/mystun/.
You have to download the file via CVS.
- Vovida STUN server: STUN server and client
library/application for Linux and Windows from the Vovida guys. License:
Vovida Software License 1.0, Homepage: .
The files are hosted at .
-
NAT traversal ALG (application level gateway)
This applications
can be installed on a linux NAT-box. They will rewrite your SIP messages
and have some kind of UDP/RTP proxy for the media stream.
- SaRP - SIP and RTP proxy: Perl implementation,
License: GPL, Homepage: .
- siproxd: Siproxd is a proxy/masquerading
daemon for the SIP protocol based on osip. License: GPL; Homepage: .
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