sip

[ds sd]

The award-winning VoIP SDK is a powerful and highly versatile set of
tools designed to dramatically accelerate development of SIP
applications. VoIP SDK enable flexible, rapid application development
options for creating desktop softphone clients, Rich Internet
Applications (RIA) and telephony extensions into existing enterprise
and web applications, It's complies with IETF and 3GPP standards,
delivers high performance, and provides advanced API layer for full
user control and flexibility.
VoIP SDK built on open standards, leveraging SIP (Session Initiation
Protocol) to create, run and terminate multi- media sessions. They
are
built on popular codecs for voice and video (include G.711, G.722.1,
G.
723.1, G.729(b), GSM, iLBC, SPEEX(WB), AMR-WB, H.263, H.263-1998 and
H.
264), and the SIP SIMPLE standard for Instant Messaging and Presence.
Typically, customers that build their own graphical user interface
and
applications. The SDK has components for managing audio and video
media, as well as signaling and call control, IM - XMPP and SIMPLE.
A commercial license for the VoIP SDK which consists of complete DLL,
LIB, documents and one years full support (including e-mail technical
support, patches and upgrades). With the commercial license you have
the right to distribute your applications (not this SDK) to any
amount
of end-users as you like

Download here the free VoIP Enterprice SDK trial:
http://www.sipvoipsdk.com/sip_voip_sdk.zip

More informations http://www.sipvoipsdk.com