VoIP SIP SDK 2.1

Free VoIP SIP SDK screenshot fileWorks with Windows Vista
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
Support of Authorization Id
FAX recognition
Noise reduction
Auto gain
Local number parameter
Help updated
Jitter buffer parameters
Windowless samples on C++ and .NET

Version 2.1:
- IM interface added
- fixed issue with RFC4566
- Codec disabling
- Help updated
- Samples updated
- Playback of different formats of WAV files
- Software volume control
Type : Shareware ($999.00) » EULA
OS Support : Windows All + Vista
Date stamp / Size : Nov, 3. 2008 / 8658 kBytes
Asked : sound card
Users' value : - Read Reviews
Download VoIP SIP SDK fileOrder VoIP SIP SDKImage of VoIP SIP SDK
Update history of VoIP SIP SDK
v2.1 (May, 26. 2009)
Version 2.1:
- IM interface added
- fixed issue with RFC4566
- Codec disabling
- Help updated
- Samples updated
- Playback of different formats of WAV files
- Software volume control
v2.0 (May, 21. 2009)
Version 2.0:
- Noise reduction
- Auto gain
- Added local number parameter
- Help updated
- Jitter buffer parameters
- Samples updated
- Windowless samples on C++ and .NET
v1.6 (March, 28. 2009)
Version 1.6 :
- FAX recognition
- Conference support introduced
- Added new VC6 sample
- Samples updated
v1.5 (March, 14. 2009)
Version 1.5
- fixed STUN support
- added support of Authorization Id
v1.4 (January, 22. 2009)
Version 1.4
- Mute Sound
- VPN support
- Fixed VB6 compilation issue
v1.3 (December, 26. 2008)
- 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
v1.2 (December, 3. 2008)
Hold/Retrieve with sample
Record conversation into WAV
Delphi sample updated
VB sample updated
HTML JavaScript sample updated
Extended OnIncomingCall event arguments

Dynamically loadable codecs
Registrar support
STUN support
Samples on Delphi, C#, VB, VB.NET, C#, HTML
echo cancelation
v1.1 (November, 17. 2008)
Dynamically loadable codecs
Registrar support
STUN support
Samples on Delphi, C#, VB, VB.NET, C#, HTML
echo cancelation

Price dropped !!!
v1.0 (November, 2. 2008)
Dynamically loadable codecs
Registrar support
STUN support
Samples on Delphi, C#, VB, VB.NET, C#, HTML
echo cancelation
Distribution permissions for VoIP SIP SDK
Licensor hereby grants to the Licensee, and Licensee hereby accepts, subject to the terms and conditions set forth in this Agreement, a non-exclusive license to use the SDK at a single computer per license. If Licensee needs to use the SDK on another computer, he should destroy the instances of the SDK on the computer it was previously used. Otherwise, additional licenses shall be purchased.

http://www.abtollc.com/VoIP/Download/LicenseAgreementSIP.pdf
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