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VOIP SIP Phone SDK DLL allows PC-PC, Pc-phone calls with realtime Instant Messaging Sessions over the Internet with SIP Protocol. With this SDK, one can create a program to connect and start speaking with anyone with a Direct IP Address or use REALM Gateway/Gatekeeper Service Providers Username and Password to connect to/from PSTN Lines. Also available is an ActiveX Control Embedded on a Web Page.
Version 1.61 supports Embedded Windows CE.
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