diff --git a/t/auto-daemon-tests.pl b/t/auto-daemon-tests.pl
index f0f909109..41eff7375 100755
--- a/t/auto-daemon-tests.pl
+++ b/t/auto-daemon-tests.pl
@@ -1359,6 +1359,129 @@ SDP
 
 
 
+new_call;
+
+offer('multi codec offer/answer w single-codec and tp-event', {
+		ICE => 'remove',
+		flags => [],
+		codec => {transcode => ['opus']},
+	}, <<SDP);
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 89.225.243.254
+t=0 0
+m=audio 8000 RTP/AVP 0 8 101
+a=rtpmap:101 telephone-event/8000
+a=sendrecv
+--------------------------------------
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 203.0.113.1
+t=0 0
+m=audio PORT RTP/AVP 0 8 96 101 97
+a=rtpmap:0 PCMU/8000
+a=rtpmap:8 PCMA/8000
+a=rtpmap:96 opus/48000/2
+a=rtpmap:101 telephone-event/8000
+a=rtpmap:97 telephone-event/48000
+a=fmtp:97 0-15
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+answer('multi codec offer/answer', {
+		ICE => 'remove',
+		flags => ['single codec'],
+	}, <<SDP);
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 89.225.243.254
+t=0 0
+m=audio 8000 RTP/AVP 0 8 96 101 97
+a=rtpmap:96 opus/48000/2
+a=rtpmap:101 telephone-event/8000
+a=rtpmap:97 telephone-event/48000
+a=sendrecv
+--------------------------------------
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 203.0.113.1
+t=0 0
+m=audio PORT RTP/AVP 0 101
+a=rtpmap:0 PCMU/8000
+a=rtpmap:101 telephone-event/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+
+
+new_call;
+
+offer('multi codec offer/answer w single-codec and tp-event', {
+		ICE => 'remove',
+		flags => [],
+		codec => {mask => ['all'], transcode => ['opus/48000/1', 'PCMA', 'telephone-event']},
+	}, <<SDP);
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 89.225.243.254
+t=0 0
+m=audio 8000 RTP/AVP 96 8 102 101
+a=rtpmap:96 opus/48000/2
+a=rtpmap:102 telephone-event/48000
+a=rtpmap:101 telephone-event/8000
+a=sendrecv
+--------------------------------------
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 203.0.113.1
+t=0 0
+m=audio PORT RTP/AVP 96 8 102 101
+a=rtpmap:96 opus/48000
+a=rtpmap:8 PCMA/8000
+a=rtpmap:102 telephone-event/48000
+a=rtpmap:101 telephone-event/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+answer('multi codec offer/answer', {
+		ICE => 'remove',
+		flags => ['single codec'],
+	}, <<SDP);
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 89.225.243.254
+t=0 0
+m=audio 8000 RTP/AVP 96 97
+a=rtpmap:96 opus/48000
+a=rtpmap:97 telephone-event/48000
+a=sendrecv
+--------------------------------------
+v=0
+o=Z 58440449 0 IN IP4 89.225.243.254
+s=Z
+c=IN IP4 203.0.113.1
+t=0 0
+m=audio PORT RTP/AVP 96 102
+a=rtpmap:96 opus/48000/2
+a=rtpmap:102 telephone-event/48000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+
+
+
+
 new_call;
 
 offer('add transcode w supp codec', {
diff --git a/t/tests-preload.c b/t/tests-preload.c
index ffa4db5f0..95eea3320 100644
--- a/t/tests-preload.c
+++ b/t/tests-preload.c
@@ -30,7 +30,7 @@ typedef struct {
 	struct sockaddr_storage address;
 } peer_t;
 
-#define MAX_SOCKETS 1024
+#define MAX_SOCKETS 4096
 
 static socket_t real_sockets[MAX_SOCKETS];
 static unsigned int anon_sock_inc;