C# SIP SOFTPHONE EXAMPLE

- Version 9.2.0

Ozeki VoIP SIP .Net SDK allows to develop C# VoIP
softphone to make/receive voice and video calls. The
program supports basic telephony functions like
register to a SIP PBX, make a Voice Call, handle audio
peripherals in softphone, playing voice from the
microphone, playing mp3 file, text to speech, playing
incoming voice, incoming voice recognition, accept an
incoming call, reject an incoming call, forward an
incoming call, blind Transfer, attended call transfer,
hold a call, use DTMF signaling, working with SDP in
VoIP SIP calls, working with RTP in VoIP SIP calls,
Auto Answer, Do not Disturb (DND), make a Video Call,
HD video, Video devices, Video codec support. EXTENDED
CODEC SUPPORT: Ozeki VoIP SIP SDK has been developed to
ensure excellent sound quality. For this purpose
various codecs are supported: G.711 aLaw/uLaw,
G.729(b), iLBC, GSM, G.722, SPEEX, SPEEX-WB. With the
help of its advanced network handling, it will work
behind NAT. Fully compatible with your SIP
infrastructure. CUSTOMIZABLE FEATURES AND GUI: You can
easily customize the features and GUI of your softphone
when you use Ozeki VoIP SIP SDK. ON-LINE VOIP SERVICE
SUPPORT: Ozeki SIP SDK works with almost all VoIP
service providers (Skype Connect, Gafachi, Callcentric,
SureVoIP, VoIPtalk, etc.) due to that it is fully
standard compliant. OUTSTANDING PBX COMPATIBILITY:
Ozeki SIP SDK is compatible with the most of PBXs such
as Cisco UCM, Asterisk PBX, 3CX Phone System, Kamailio,
OpenSIPS, SipX ECS, Elastix, etc. Due to the
flexibility of Ozeki SIP SDK, the developed softphone
can be further improved with additional features like:
Jitter buffer, Voice Activity Detection, Acoustic Echo
Cancellation, Packet Lost Concealment (PLC), Call
timer, Customized with Company Logo/Name, Unlimited
User Licence, Full HD video, Multiple lines for
multiple concurrent calls, Conferencing, PC-PC or
PC-phone calls, Caller ID with name, Quick calling and
re-dialing, Call history, Connect to PSTN and mobile phones