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