VoIP SIP SDK for Windows CE
Features of VoIP SIP SDK for Windows CE/Mobile 6.x:
Support of SIP, RTP, SRTP, and SDP
VoIP SDK ActiveX, COM, and plain dll files support
SIP Registrar (SIP server) support
Adaptive jitter buffer
DTMF (Dual Tone Multi Frequency)
SIP Proxy authentication
Support of calls: Hold/Retrieve Call, Forward Call (Blind Call Transfer), Transfer Call (Attended Transfer)
Software volume control
Record conversation into file
Playback of WAV files into conversation
IM interface
Multi-party voice conference
Multiline support
Mute Sound
Support of Virtual Private Network (VPN)
Custom ringtone support (wav format)
Redirection of calls to other phone lines
Configuration saving and loading
TCP support
Selecting of media input and output devices
Auto-answer
Log file on/off setting
Prepared samples for programming languages (C++, VB.NET)
No yearly/monthly fee
Available codecs:
G.711-ALaw
G.711-muLaw
RFC4733 DTMF tones
VoIP SIP SDK for Windows CE allows making custom softphones for Windows CE / Windows Mobile devices. Windows Mobile is a mobile operating system developed by Microsoft for smartphones and Pocket PCs. It is based on the Windows CE kernel. Third parties can develop software for Windows Mobile with no restrictions imposed by Microsoft.