Categories: Sip 2014 P2PSIP Nov 04 2014 何謂 Back-to-back User Agent ? Oct 28 2014 Freeswitch 動態更改 Sip 使用者資訊 Oct 21 2014 FreeSWITCH and Asterisk Oct 08 2014 Asterisk Pami Pagi Oct 07 2014 Asterisk Realtime Architecture Oct 07 2014 Sip Library Oct 06 2014