Data Structures

Here are the data structures with brief descriptions:

sip_accept_s	Structure for Accept header field
sip_addr_s	Structure for From and To headers
sip_alert_info_s	Structure for Alert-Info header
sip_allow_s	Structure for Allow header field
sip_authentication_info_s	Structure for Authentication-Info header
sip_call_id_s	Structure for Call-ID (and In-Reply-To) header fields
sip_call_info_s	Structure for Call-Info header
sip_caller_prefs_s	Structure for Accept-Contact and Reject-Contact header fields
sip_contact_s	Structure for Contact header field
sip_content_length_s	Structure for Content-Length header
sip_content_type_s	Structure for Content-Type header
sip_cseq_s	Structure for CSeq header
sip_date_s	Structure for Date header
sip_error_info_s	Structure for Error-Info header
sip_event_s	Structure for Event header
sip_expires_s	Structure for Expires header
sip_max_forwards_s	Structure for Max-Forwards header
sip_min_expires_s	Structure for Min-Expires header
sip_min_se_s	Structure for Min-SE header
sip_p_asserted_identity_s	Structure for P-Asserted-Identity header
sip_p_preferred_identity_s	Structure for P-Preferred-Identity header
sip_pref	Possible values for SIP media tags
sip_privacy_s	Structure for Privacy header
sip_rack_s	Structure for RAck header
sip_reason_s	Structure for Reason header field
sip_refer_sub_s	Structure for Refer-Sub header
sip_refer_to_s	Structure for Refer-To header
sip_referred_by_s	Structure for Referred-By header
sip_remote_party_id_s	Structure for Remote-Party-ID header
sip_replaces_s	Structure for Replaces header
sip_reply_to_s	Structure for Reply-To header
sip_request_disposition_s	Structure for Request-Disposition header
sip_request_s	Structure for SIP request line
sip_retry_after_s	Structure for Retry-After header
sip_route_s	Structure for Route and Record-Route header fields
sip_rseq_s	Structure for RSeq header
sip_s	SIP message object
sip_security_agree_s	Structure for Security-Client, Security-Server, and Security-Verify headers
sip_session_expires_s	Structure for Session-Expires header
sip_status_s	Structure for SIP status line
sip_subscription_state_s	Structure for Subscription-State header
sip_suppress_body_if_match_s	Structure for Suppress-Body-If-Match header
sip_suppress_notify_if_match_s	Structure for Suppress-Notify-If-Match header
sip_timestamp_s	Structure for Timestamp header
sip_via_s	Structure for Via header field
sip_pref::sp_literal	Literal (tag="foo")
sip_pref::sp_range	Numeric value or range (tag="#=1"; tag="#<=3"; tag="#>=-2"; tag="#1:6")
sip_pref::sp_string	String (tag="&lt;foo&gt;")