VoIP SIP SDK Free Download & Review

Internet | Network » VoIP | Telephony | 1 | 26 Feb 2010 | Shareware | 8.11MB | Created by VoipSipSDK

Free VoIP SIP SDK Download

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Our VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP compliant soft phone with a fully-customizable user interface and brand name.

The Abto LLC VoIP SIP SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users and SIP compatible devices (hardware and software). It enables a worldwide communication over the internet or intern networks either by speaking and delivers superior voice quality. It supports DTMF, adaptive silence detection, adaptive jitter buffer!

Abto LLC VoIP SIP SDK is based on IETF standards (SIP, STUN, etc.), so it should be compatible with other standard based products such as Asterisk, OpenSER other.

Dynamically loadable codecs
Registrar support
STUN support
Samples on Delphi, C#, VB, VB.NET, C#, HTML
echo cancelation
support of playing audio files

Hold/Retrieve with sample
Record conversation into WAV
Delphi sample updated
VB sample updated
HTML JavaScript sample updated
Extended OnIncomingCall event arguments

Call transfer support
Added status code on call reject
Added Unauthorized and Trying events for user registration
Fixed bug with default sound device
Fixed to be recognized as valid ActiveX component
Samples updated

Mute Sound
VPN support
Fixed VB6 compilation issue

Version 1.5
- fixed STUN support
- added support of Authorization Id

Version 1.6 :
- FAX recognition
- Conference support introduced
- Added new VC6 sample
- Samples updated

Version 2.0:
- Noise reduction
- Auto gain
- Added local number parameter
- Help updated
- Jitter buffer parameters
- Samples updated
- Windowless samples on C++ and .NET


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Operating System(s): WinXP, Windows2000, Windows2003, Windows Vista Starter, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Business, Windows Vista Enterpris

Size: 8.11MB

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