id(int,auto) server_id(int) from_uid(str,null) to_uid(str,null) to_did(str,null) from_did(str,null) sip_from(str,null) sip_to(str,null) sip_status(int,null) sip_method(str,null) in_ruri(str,null) out_ruri(str,null) from_uri(str,null) to_uri(str,null) sip_callid(str,null) sip_cseq(int,null) digest_username(str,null) digest_realm(str,null) from_tag(str,null) to_tag(str,null) src_ip(int,null) src_port(int,null) request_timestamp(int) response_timestamp(int) flags(int) attrs(str,null) 
