diff --git a/t/auto-daemon-tests.pl b/t/auto-daemon-tests.pl
index 6a60dcaa7..441411090 100755
--- a/t/auto-daemon-tests.pl
+++ b/t/auto-daemon-tests.pl
@@ -40,6 +40,108 @@ my ($sock_a, $sock_b, $sock_c, $sock_d, $port_a, $port_b, $ssrc, $ssrc_b, $resp,
 
 
 
+($sock_a, $sock_b) = new_call([qw(198.51.100.14 6000)], [qw(198.51.100.14 6002)]);
+
+($port_a, undef, $srtp_key_a) = offer('echo=fwd',
+	{ 'media-echo' => 'fw' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 6000 RTP/AVP 0
+c=IN IP4 198.51.100.14
+a=sendrecv
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/AVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+($port_b) = answer('echo=fwd',
+	{ }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 6002 RTP/AVP 0
+c=IN IP4 198.51.100.14
+a=sendrecv
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/AVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+
+snd($sock_b, $port_a, rtp(0, 2000, 4000, 0x3456, "\x00" x 160));
+rcv($sock_b, $port_a, rtpm(0, 2000, 4000, -1, "\x00" x 160));
+
+
+
+
+($sock_a, $sock_b) = new_call([qw(198.51.100.14 6004)], [qw(198.51.100.14 6006)]);
+
+($port_a, undef, $srtp_key_a) = offer('echo=bkw',
+	{ 'media-echo' => 'bk' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 6004 RTP/AVP 0
+c=IN IP4 198.51.100.14
+a=sendrecv
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/AVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+($port_b) = answer('echo=bkw',
+	{ }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 6006 RTP/AVP 0
+c=IN IP4 198.51.100.14
+a=sendrecv
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/AVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+
+snd($sock_a, $port_b, rtp(0, 2000, 4000, 0x3456, "\x00" x 160));
+rcv($sock_a, $port_b, rtpm(0, 2000, 4000, -1, "\x00" x 160));
+
+
+
+
 new_call;
 
 offer('SDES=static control',