--- a/sip-in/mncc_handle.c	Tue Oct 11 16:11:21 2022 -0800
+++ b/sip-in/mncc_handle.c	Tue Oct 11 16:23:44 2022 -0800
@@ -25,84 +25,6 @@
 	.value		= GSM48_CC_CAUSE_NORMAL_UNSPEC,
 };
 
-void
-send_mncc_connect_ack(call)
-	struct call *call;
-{
-	struct gsm_mncc ack;
-
-	bzero(&ack, sizeof(struct gsm_mncc));
-	ack.msg_type = MNCC_SETUP_COMPL_REQ;
-	ack.callref = call->mncc_callref;
-	send_mncc_to_gsm(&ack, sizeof(struct gsm_mncc));
-	call->mncc_state = MNCC_STATE_CONNECTED;
-	call->overall_state = OVERALL_STATE_CONNECTED;
-}
-
-void
-mncc_dtmf_start_ok(call)
-	struct call *call;
-{
-	struct gsm_mncc msg;
-
-	bzero(&msg, sizeof(struct gsm_mncc));
-	msg.msg_type = MNCC_START_DTMF_RSP;
-	msg.callref = call->mncc_callref;
-	msg.fields |= MNCC_F_KEYPAD;
-	msg.keypad = call->dtmf_digit;
-	send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
-}
-
-void
-mncc_dtmf_start_err(call)
-	struct call *call;
-{
-	struct gsm_mncc msg;
-
-	bzero(&msg, sizeof(struct gsm_mncc));
-	msg.msg_type = MNCC_START_DTMF_REJ;
-	msg.callref = call->mncc_callref;
-	mncc_set_cause(&msg, GSM48_CAUSE_LOC_PRN_S_LU,
-			GSM48_CC_CAUSE_PROTO_ERR);
-	send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
-}
-
-void
-mncc_dtmf_stop_ok(call)
-	struct call *call;
-{
-	struct gsm_mncc msg;
-
-	bzero(&msg, sizeof(struct gsm_mncc));
-	msg.msg_type = MNCC_STOP_DTMF_RSP;
-	msg.callref = call->mncc_callref;
-	send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
-}
-
-void
-mncc_send_hold_ack(call)
-	struct call *call;
-{
-	struct gsm_mncc msg;
-
-	bzero(&msg, sizeof(struct gsm_mncc));
-	msg.msg_type = MNCC_HOLD_CNF;
-	msg.callref = call->mncc_callref;
-	send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
-}
-
-void
-mncc_send_retrieve_ack(call)
-	struct call *call;
-{
-	struct gsm_mncc msg;
-
-	bzero(&msg, sizeof(struct gsm_mncc));
-	msg.msg_type = MNCC_RETRIEVE_CNF;
-	msg.callref = call->mncc_callref;
-	send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
-}
-
 static void
 send_rtp_connect(call)
 	struct call *call;