AbtoVoIPClient

4.6 ( 9536 ratings )

ビジネスユーティリティ
開発者 Sviatoslav Volodymyruvych Litynsky Private Enterpreneur

無料

ABTO Softwares VoIP SIP softphone.
Can be used to call sip numbers and landline numbers (if sip provider has this option).

Features:
voice calls;
video calls;
text chat (based on SIP MESSAGE request);
works with all popual SIP servers, including Asterisk/FreeSwitch;
make direct calls between clients without SIP server;
allows to use UDP/TCP/TLS protocols for SIP transport;
ability to make secure calls using SRTP/ZRTP;
supports STUN/ICE;
IPv6 support.