aSip SIP Client

aSip, the sip client base on native C sip stack.
(1) support multiple SIP accounts
(2) support speaker phone
(3) support multiple ringtone
(4) support DTMF during the call
(5) support G711 and GSM codec
(6) support stun server
(7) support global outbound proxy
(8) support proxy server for individual account
and more ...