Home Documentation Features Samples Download Price Demo Contact Us   Frequently Asked Questions How to get a trial? How to develop a softphone? Does it work with Asterisk? What codecs does it support? Echo & noise cancellation supported? Does it support multi-user conference? Does it support call transfer & hold? I want to record the call conversation? Does it work on Windows 7 & Vista? more Q: HOW TO GET A TRIAL ?     Please download the SDK and you can use it for 30 days.   Q: HOW TO DEVELOP A SOFTPHONE ?     You can develop your SIP based softphone with your own GUI and brand very easily. Sample source codes for VB, VB.Net, C#, Delphi, VC++ and HTML are available on our website, please click the SAMPLES link to find out more.   Q: DOES IT WORK ON WINDOWS 7 AND VISTA ?     Yes, it works without any problem on both 64bit and 32bit versions of Windows 7 and Vista.   Q: DOES IT SUPPORT MULTI-USER CONFERENCE ?     Yes, it is supported, Please visit the FEATURES link for more details.   Q: DOES IT WORK WITH ASTERISK ?     Our SIP SDK works without any problem with Asterisk and all other SIP based SERVER and SERVICE providers.   Q: WHAT CODECS DOES IT SUPPORT ?     G711 A-Law, G711 U-Law, G.729, iLBC and GSM 6.10 are supported. Please visit the FEATURES link for more details.   Q: DOES VAXSIP SDK SUPPORT ECHO CANCELLATION ?     Yes, it is supported. Please visit the FEATURES link for more details.   Q: DOEST VAXSIP SDK SUPPORT NOISE CANCELLATION ?     Yes, it is supported. Please visit the FEATURES link for more details.   Q: DOES IT SUPPORT CALL TRANSFER AND HOLD ?     Yes, it is supported. Please visit the FEATURE link for more details.   Q: DOES IT SUPPORT DTMF FEATURES ?     Yes, DTMF generation and detection both are supported. Please visit the FEATURES link for more details.   Q: CAN YOU CUSTOMIZE YOUR SOFTWARE SPECIFICALLY FOR OUR NEEDS ?     Yes, We provide customization of our SDK. Please send us your requirements and a sales person will be contacting you soon.   Q: WHAT ARE THE FEATURES SUPPORTED BY SIP SDK?     Please click the FEATURES link for more details.   Q: IS THERE ANY FEATURES-WISE DIFFERENCE BETWEEN TRIAL AND REGISTERED VERSIONS ?     There is no difference, except the 'Evaluation Copy' message box and expiry.   Q: THE WEB DEMO USE CABINET(.CAB) RIGHT ?     Yes, downloadable cabinet component (.CAB) signed by Microsoft Authenticode Certificate. It works with IE (Internet Explorer) and other web browsers, which support Microsoft's downloadable cabinet component (.CAB) technology.   Q: DO WE NEED TO GET THE .CAB CODE SIGNED CERTIFICATE FROM VERISIGN,THAWTE OR ANY OTHER COMPANY?     No, VaxVoIP .CAB is already Microsoft Authenticode Certificate Signed.   Q: I WANT TO RECORD MY PHONE CONVERSATION INTO WAVE (.WAV) FILE, DO YOU PROVIDE THIS FEATURE?     Yes, phone conversation recording feature is supported. Please visit the FEATURES link to find out more.   Q: I WANT TO HARD-CODE THE SIP ACCOUNT SETTINGS IN MY WEBPHONE AND WANT THAT USER OF THAT WEBPAGE COULD NOT BE ABLE TO VIEW THOSE SETTINGS BY VIEWING THE SOURCE OF THAT PAGE. DOES VAXVOIP SUPPORT SUCH FEATURE ?     Yes, please visit ENCRYPT SIP ACCOUNT SETTINGS in the documentation section.   Q: I WANT TO DEVELOP “CLICK TO TALK” SERVICE. A WEB PAGE WILL HAVE A BUTTON THAT THE VISITOR CAN PRESS. THIS BUTTON WILL DIAL OUR HELP LINE NUMBER. IS IT POSSIBLE TO DEVELOP WITH VAX SIP SDK?     Yes, it is possible and very easy to develop using our SIP SDK.   Q: DO YOU SELL THE SOURCE CODE OF YOUR SDK ?     No, we don't sell the source code od our SDK.   Q: WHAT ARE THE SYSTEM REQUIREMENTS TO RUN VAXVOIP CONTROLS ?     A Windows XP/2000/2003/Window 7/VISTA based PC with sound card and internet connection.     Some of our customers   Supported Languages Visual Basic .NET Visual C++ .NET Visual C# .NET Visual Basic Visual C++ Borland Delphi Borland C++ JavaScript/HTML    Become a Reseller VaxVoIP offers resellership program to those companies, who are looking for business opportunity and want to become a reseller for VaxVoIP SIP SDK. If you want to become a reseller, please contact contactus@vaxvoip.com    Custom  Development VaxVoIP offers affordable software customization for our products. Whether you need simple changes or need new functionality, we offer services to meet your needs. If you are interested in custom software development, please contact customdev@vaxvoip.com.   Terms Of Use Privacy Policy   Copyright © 2010 VaxSoft. All Rights Reserved.