TekPhone is a SIP (Session Initiation Protocol) VoIP Softphone that provides UA agent functions (Based on RFC 3261) runs under Windows
Version: 1.6.3TekPhone is a SIP (Session Initiation Protocol) VoIP Softphone that provides User Agent (SIP-UA) functions (Based on RFC 3261) runs under Windows (Vista, Windows 7 / 8/10, 2008-2019 Server).
Operating System: Windows
Simple, easy to use interface. Supports (Only) G.711 A - Mu law codecs, RFC 2833 / SIP INFO / Inband methods for DTMF digit delivery. Supports UPnP for NAT traversal. You can also set external IP address manually.
TekPhone can record incoming audio if away mode selected. You can specify your own welcome message. ENUM (RFC 37612) support.
Version 1.6.3: TekPhone can perform call transfer when it receives REFER request.
Version 1.6.2: Improved RTP stack and media streaming functions.
Version 1.5.2: Some minor bug fixes