You don't have to experience on so many Telecom and Internet protocols and concepts. The SIP SDK has integrated everything for you. STOP...

Commercial 7.45 MB Download

Call Anyone from Anywhere. Save Money with FonoSIP.com Get a FonoSIP account. Tell your friends, family, clients, and talk to them for free....

Commercial 7.45 MB Download

VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls...

Commercial 14.2 MB Download

VoIP SIP Client SDK for .NET and ActiveX - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new...

Commercial 9.18 MB Download

VoIP SIP SDK is a sip soft phone solution to quickly build voip softphone to dial and receive phone calls or add voip chat features in your software...

Commercial 7.45 MB Download

ABTO SIP SDK provides a solution to quickly build VoIP softphone that can dial and receive calls on your computer or add VoIP features into your...

Commercial 106.43 KB Download

Enable your employees call each other for free with OfficeSIP Server. Multi-office and trans-national corporations pay thousands of dollars for...

Freeware 965.61 KB Download

SIP SDK for .NET and ActiveX - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new SIP Client...

Commercial 21.31 MB Download

VOIP SIP SDK Easily make and receive SIP (Session Initiation Protocol) based phone calls through any SIP gateway or SIP compliant IP-Telephony...

Commercial 7.45 MB Download

SIP Softphone Software Development Kit Create high quality SIP VoIP, Video Telephony and XMPP Instant Messaging web and stand alone applications...

Commercial 7.45 MB Download

VoIP SIP Server SDK provides a powerful and highly customizable API solution based on the Session Initiation Protocol (SIP) to quickly add SIP based...

Commercial 89.75 KB Download

The award-winning VoIP SDK is a powerful and highly versatile set of tools designed to dramatically accelerate development of SIP applications. VoIP...

Commercial 7.45 MB Download

The award-winning VoIP SDK is a powerful and highly versatile set of tools designed to dramatically accelerate development of SIP applications. VoIP...

Commercial 7.45 MB Download

The VoIP SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth...

Commercial 7.45 MB Download

SIP Hosted PBX, Multi-Tenant, VoIP Platform for Service Providers - provides scalable and reliable SaaS IP Telephony Platform. Based on the Session...

Commercial 7.45 MB Download