Main > Internet > Dial up & Connectivity > Sip Phone DLL SDK

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.

Key features of Sip Phone DLL SDK:

• Make and answer phone calls
• Detect tone and pulse digit from the phone line
• Capture Caller ID
• Support blind transfer
• Single Step transfer/conference
• Consultation transfer/conference
• Hold, unhold
• Control of the local phone handset
• Microphone and speaker of the modem
• Send and receive faxes
• Play and record on the phone line or sound card
• Play music in background mode
• Silence detection
• VU Meter
• Voice recognition and voice synthesis support
• Full control over the serial port device ZModem file transfer utility (with encryption and decryption)

System Requirements: 

• 128 MB RAM
• Disk Space : 200 MB FREE
• Internet Explorer 6.0+ or Internet Browser for HTML files
• Color monitor 800x600 resolution Display Font Size (default ) small
• Display True Color (24 bit)
• CPU speed Pentium Type 100Mhz +
• WinZip 8.0+
• Multimedia Industry standard Sound Card with headphones or external speakers

Sip Phone DLL SDK screenshot: