SIP Phone DLL allows to make PC-PC, PC-phone, or phone-phone calls or create Instant Messaging (IM) sessions over the Internet VOIP SIP Phone SDK brings protocol support for ActiveX. With this SDK one can create a simple program to connect and start speaking with anyone with a direct IP Address (provided no NAT Router or Firewall is set) or use the Gateway or the Gatekeeper to connect to /or from PSTN lines. Now VOIP open source projects have made it easier to implement a customized VOIP Solution eliminating costly PSTN lines. Though this implementation might turn out fairly complex, our VOIP Implementation Team at Research-Lab will guide you remotely for the same. VOIP SIP DLL Soft Phone SDK brings SIP protocol support for ActiveX. With this SDK one can create in minutes a VOIP phone program to connect and start speaking with anyone with a direct IP Address (provided no NAT Router or Firewall is set) or use the Gateway or the Gatekeeper to connect to /or from PSTN lines. Now VOIP open source projects have made it easier to implement a customized VOIP Solution eliminating costly PSTN lines. Though this implementation might turn out fairly complex, to tackle this our VOIP Implementation Team at Research-Lab will guide you remotely for the same. SIP Phone DLL is licensed as shareware, the cost of the registered version is $399 and full download size is 3 MB. You can download a free version of SIP Phone DLL by following download link at Free Downloads section of this page. SIP Phone DLL is developed or distributed by Research Lab Inc and is listed under development active x.
