Lines Matching refs:ACK
700 * NON OK ACK : MUST contain values for the Call-ID, From, and Request-URI
702 * passed to the transport. The To header field in the ACK MUST equal the To
703 * header field in the response being acknowledged. The ACK MUST contain the
705 * the ACK MUST contain the same value for the sequence number as was
707 * to "ACK".
752 if ((ret = sip_add_request_line(_ack_msg, ACK, uri)) != 0) {
786 if ((ret = sip_add_cseq(_ack_msg, ACK, seqno)) != 0)
794 * This is a 2XX ACK, for others ACK is constructed differently,
842 if ((ret = sip_add_request_line(_ack_msg, ACK, uri)) != 0) {
882 if ((ret = sip_add_cseq(_ack_msg, ACK, seqno)) != 0)