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TekPhone is a SIP (Session Initiation Protocol) VoIP Softphone that provides User Agent (SIP-UA) functions (Based on RFC 3261) runs under Windows (XP, Vista, 7/8, 2003/2008/2012 Server). 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.
3CX VOIP Phone System FREE edition is a SIP-based IP PBX developed for Windows. Easy to install and configure, it eliminates phone wiring and allows hot desking. Lowers call costs ...
TekTape is an audio recorder and call detail records (CDR) generator runs under Windows (XP/7/8, 2003/2008/2012 Server).
TekSIP is a SIP Registrar/Proxy for Windows.
Command Line SIP (RFC 3261) User Agent for Windows
SIPob is a SIP (Session Initiation Protocol) outbound dialler that provides User Agent (SIP-UA) functions (Based on RFC 3261) runs under Windows (XP, Vista, 7/8, 2003/2008/2012 Ser ...