diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 2cd99685562f74b33a50e4a4417abb17d04c10a4..7f22806ad394863e8323a462769c2597979e56b6 100755
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -923,7 +923,7 @@ static int sendmail(char *srcemail, struct ast_vm_user *vmu, int msgnum, char *m
 			fprintf(p, "Subject: New message %d in mailbox %s\n", msgnum + 1, mailbox);
 		else
 			fprintf(p, "Subject: [PBX]: New message %d in mailbox %s\n", msgnum + 1, mailbox);
-		fprintf(p, "Message-ID: <Asterisk-%d-%s-%d@%s>\n", msgnum, mailbox, getpid(), host);
+		fprintf(p, "Message-ID: <Asterisk-%d-%d-%s-%d@%s>\n", msgnum, (unsigned int)rand(), mailbox, getpid(), host);
 		fprintf(p, "MIME-Version: 1.0\n");
 		if (attach_user_voicemail) {
 			/* Something unique. */
diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index d5d17f40063758bd244f51d02c87ccc1c1100303..4cdc98b2cc78786da396f37cce51f244f86ddced 100755
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -4972,6 +4972,35 @@ static void *ss_thread(void *data)
 	case SIG_FXSLS:
 	case SIG_FXSGS:
 	case SIG_FXSKS:
+		if (p->pri) {
+			/* This is a GR-303 trunk actually.  Wait for the first ring... */
+			struct ast_frame *f;
+			int res;
+			time_t start;
+
+			time(&start);
+			ast_setstate(chan, AST_STATE_RING);
+			while(time(NULL) < start + 3) {
+				res = ast_waitfor(chan, 1000);
+				if (res) {
+					f = ast_read(chan);
+					if (!f) {
+						ast_log(LOG_WARNING, "Whoa, hangup while waiting for first ring!\n");
+						ast_hangup(chan);
+						return NULL;
+					} else if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RING)) {
+						res = 1;
+					} else
+						res = 0;
+					ast_frfree(f);
+					if (res) {
+						ast_log(LOG_DEBUG, "Got ring!\n");
+						res = 0;
+						break;
+					}
+				}
+			}
+		}
 		if (p->use_callerid) {
 			cs = callerid_new();
 			if (cs) {