oSIP协议栈浅析
osip_setcb_ist_6xx_sent(osip,&application_cb_snd6xx);
osip_setcb_nict_1xx_received(osip,&application_cb_rcv1xx); osip_setcb_nict_2xx_received(osip,&application_cb_rcv2xx); osip_setcb_nict_3xx_received(osip,&application_cb_rcv3xx); osip_setcb_nict_4xx_received(osip,&application_cb_rcv4xx); osip_setcb_nict_5xx_received(osip,&application_cb_rcv5xx); osip_setcb_nict_6xx_received(osip,&application_cb_rcv6xx); osip_setcb_nist_1xx_sent(osip,&application_cb_snd1xx); osip_setcb_nist_2xx_sent(osip,&application_cb_snd2xx); osip_setcb_nist_3xx_sent(osip,&application_cb_snd3xx); osip_setcb_nist_4xx_sent(osip,&application_cb_snd4xx); osip_setcb_nist_5xx_sent(osip,&application_cb_snd5xx); osip_setcb_nist_6xx_sent(osip,&application_cb_snd6xx);
osip_setcb_ist_invite_received (osip,&application_cb_rcvinvite); osip_setcb_ist_ack_received (osip,&application_cb_rcvack); osip_setcb_ist_ack_received2 (osip,&application_cb_rcvack2); osip_setcb_nist_register_received(osip,&application_cb_rcvregister); osip_setcb_nist_bye_received (osip,&application_cb_rcvbye); osip_setcb_nist_cancel_received (osip,&application_cb_rcvcancel); osip_setcb_nist_info_received (osip,&application_cb_rcvinfo); osip_setcb_nist_options_received (osip,&application_cb_rcvoptions); osip_setcb_nist_subscribe_received(osip,&application_cb_rcvoptions); osip_setcb_nist_notify_received (osip,&application_cb_rcvoptions);
osip_setcb_nist_unknown_received (osip,&application_cb_rcvunkrequest);
5.3 Transaction操作
在注册完CALL BACK函数后，应用程序可以建立Transaction来调用oSIP的解析器和状态机模块的操作，来实现不同应用程序的需求。
6. 参考
[1] SIP -- RFC3261
(http://www.ietf.org)
[2] SDP -- RFC2327(http://www.ieft.org) [3] oSIP Library
-- http://www.gnu.org/software/osip/
[4] oSIP mailing list -- http://www.atosc.org/pipermail/public/osip/
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