TekPhone

TekPhone is a SIP (Session Initiation Protocol) VoIP Softphone that provides UA agent functions (Based on RFC 3261) runs under Windows (XP, Vista, 2003 Server). Use it just for testing environments! Do not use for production systems. Major Features * Simple, easy to use interface. * Supports (Only) G.711 A - Mu law codecs and RFC 2833 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).