Freeware





... / Unhold ,Transfer (Xfer),DND (Do not Disturb),Redial,Mute,Auto accept call,NAT/Firewall support STUN server Support ,ICE Support,Debug Mode (SIP ... Speex/ 8000, Speex/16000 , Speex / 32000,Codec selection and Codec Quality Control (Bandwidth control),Silence Suppression,Echo Cancellation Uses ... ,Call timer ,Last Number Redial ,Touch Tone ,Address Book ,Micro Phone Volume Control ,Speaker Volume Control ,Work ...
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