Softphone for PC-telephony using TAPI, CAPI or SIP plus answering machine. Free download of Phoner 3.19
Softphone supporting TLS, SRTP and ZRTP as well as IPv6 and some HD codecs. Free download of PhonerLite 2.55
Easy to use VoIP softphone with profile and contact management. Free download of PhonerLitePortable 3.16