diff --git a/t/auto-daemon-tests.pl b/t/auto-daemon-tests.pl
index 5b0d90bf4..d85331e53 100755
--- a/t/auto-daemon-tests.pl
+++ b/t/auto-daemon-tests.pl
@@ -62,6 +62,9 @@ sub offer_answer {
 	$regexp =~ s/ICEBASE/([0-9a-zA-Z]{16})/gs;
 	$regexp =~ s/ICEUFRAG/([0-9a-zA-Z]{8})/gs;
 	$regexp =~ s/ICEPWD/([0-9a-zA-Z]{26})/gs;
+	$regexp =~ s/CRYPTO128/([0-9a-zA-Z\/+]{40})/gs;
+	$regexp =~ s/CRYPTO192/([0-9a-zA-Z\/+]{51})/gs;
+	$regexp =~ s/CRYPTO256/([0-9a-zA-Z\/+]{62})/gs;
 	like crlf($resp->{sdp}), qr/$regexp/s, "$name - output $cmd SDP";
 	return;
 }
@@ -494,6 +497,539 @@ a=T38FaxRateManagement:transferredTCF
 a=sendrecv
 SDP
 
+# github issue #661
+
+new_call;
+
+offer('gh 661 plain', { ICE => 'remove', DTLS => 'off' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:8AbZePWwsKhLGX3GlXA+yHYPQ3cgraer/9DkFJYCOPZZy3o9wC0NIbIFYZfyHw==
+a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:2GLk3p/csdno4KlGO1TxCVaEt+bifmDlQ5NjnCb5cJYPURiGRSTBEtEq37db8g==
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_CM_192_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:4 AES_CM_192_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:5 AES_CM_256_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:6 AES_CM_256_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:7 F8_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:8 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:9 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:10 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+answer('gh 661 plain', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/SAVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+SDP
+
+new_call;
+
+offer('gh 661 suppress one', { ICE => 'remove', DTLS => 'off', SDES => [ 'no-F8_128_HMAC_SHA1_80' ] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:8AbZePWwsKhLGX3GlXA+yHYPQ3cgraer/9DkFJYCOPZZy3o9wC0NIbIFYZfyHw==
+a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:2GLk3p/csdno4KlGO1TxCVaEt+bifmDlQ5NjnCb5cJYPURiGRSTBEtEq37db8g==
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_CM_192_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:4 AES_CM_192_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:5 AES_CM_256_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:6 AES_CM_256_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:7 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:8 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:9 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+answer('gh 661 suppress one', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/SAVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+SDP
+
+new_call;
+
+offer('gh 661 remove one', { ICE => 'remove', DTLS => 'off', SDES => [ 'no-AES_CM_128_HMAC_SHA1_32' ] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:8AbZePWwsKhLGX3GlXA+yHYPQ3cgraer/9DkFJYCOPZZy3o9wC0NIbIFYZfyHw==
+a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:2GLk3p/csdno4KlGO1TxCVaEt+bifmDlQ5NjnCb5cJYPURiGRSTBEtEq37db8g==
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_192_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:3 AES_CM_192_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:4 AES_CM_256_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:5 AES_CM_256_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:6 F8_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:7 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:8 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:9 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+answer('gh 661 remove one', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/SAVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+SDP
+
+new_call;
+
+offer('gh 661 remove first', { ICE => 'remove', DTLS => 'off', SDES => [ 'no-AES_CM_128_HMAC_SHA1_80' ] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:8AbZePWwsKhLGX3GlXA+yHYPQ3cgraer/9DkFJYCOPZZy3o9wC0NIbIFYZfyHw==
+a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:2GLk3p/csdno4KlGO1TxCVaEt+bifmDlQ5NjnCb5cJYPURiGRSTBEtEq37db8g==
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_CM_192_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:4 AES_CM_192_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:5 AES_CM_256_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:6 AES_CM_256_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:7 F8_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:8 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:9 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:10 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+answer('gh 661 remove first', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/SAVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VdfhasfhsfghsrtjhasrtjhsartjhsM4Gw6chrFr
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VdfhasfhsfghsrtjhasrtjhsartjhsM4Gw6chrFr
+SDP
+
+# #661 for transcoding to RTP
+
+offer('gh 661 plain to RTP', { ICE => 'remove', DTLS => 'off', 'transport protocol' => 'RTP/AVP' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:8AbZePWwsKhLGX3GlXA+yHYPQ3cgraer/9DkFJYCOPZZy3o9wC0NIbIFYZfyHw==
+a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:2GLk3p/csdno4KlGO1TxCVaEt+bifmDlQ5NjnCb5cJYPURiGRSTBEtEq37db8g==
+----------------------------------
+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
+
+answer('gh 661 plain to RTP', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/AVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:CRYPTO128
+SDP
+
+new_call;
+
+offer('gh 661 remove one to RTP', { ICE => 'remove', DTLS => 'off', 'transport protocol' => 'RTP/AVP', SDES => [ 'no-AES_CM_128_HMAC_SHA1_32' ] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:8AbZePWwsKhLGX3GlXA+yHYPQ3cgraer/9DkFJYCOPZZy3o9wC0NIbIFYZfyHw==
+a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:2GLk3p/csdno4KlGO1TxCVaEt+bifmDlQ5NjnCb5cJYPURiGRSTBEtEq37db8g==
+----------------------------------
+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
+
+answer('gh 661 remove one to RTP', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/AVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:CRYPTO128
+SDP
+
+new_call;
+
+offer('gh 661 remove first to RTP', { ICE => 'remove', DTLS => 'off', 'transport protocol' => 'RTP/AVP', SDES => [ 'no-AES_CM_128_HMAC_SHA1_80' ] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/SAVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:cJOJ7kxQjhFBp2fP6AYjs3vKw7CeBdWZCj0isbJv
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:VAzLKvoE3jG9cdH/AZsl/ZqWNXrUzyM4Gw6chrFr
+a=crypto:3 AES_256_CM_HMAC_SHA1_80 inline:8AbZePWwsKhLGX3GlXA+yHYPQ3cgraer/9DkFJYCOPZZy3o9wC0NIbIFYZfyHw==
+a=crypto:4 AES_256_CM_HMAC_SHA1_32 inline:2GLk3p/csdno4KlGO1TxCVaEt+bifmDlQ5NjnCb5cJYPURiGRSTBEtEq37db8g==
+----------------------------------
+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
+
+answer('gh 661 remove first to RTP', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/AVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+# #661 for transcoding from RTP
+
+new_call;
+
+offer('gh 661 plain from RTP', { ICE => 'remove', DTLS => 'off', 'transport protocol' => 'RTP/SAVP' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/AVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:3 AES_CM_192_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:4 AES_CM_192_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:5 AES_CM_256_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:6 AES_CM_256_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:7 F8_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:8 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:9 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:10 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+answer('gh 661 plain from RTP', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/SAVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+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
+
+new_call;
+
+offer('gh 661 from RTP suppress one', { ICE => 'remove', DTLS => 'off', 'transport protocol' => 'RTP/SAVP', SDES => [ 'no-F8_128_HMAC_SHA1_80' ] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/AVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:3 AES_CM_192_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:4 AES_CM_192_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:5 AES_CM_256_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:6 AES_CM_256_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:7 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:8 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:9 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+answer('gh 661 from RTP suppress one', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/SAVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+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
+
+new_call;
+
+offer('gh 661 from RTP suppress first', { ICE => 'remove', DTLS => 'off', 'transport protocol' => 'RTP/SAVP', SDES => [ 'no-AES_CM_128_HMAC_SHA1_80' ] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio 2000 RTP/AVP 0
+c=IN IP4 198.51.100.1
+a=sendrecv
+----------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+t=0 0
+m=audio PORT RTP/SAVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+a=crypto:1 AES_CM_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:2 AES_CM_192_HMAC_SHA1_80 inline:CRYPTO192
+a=crypto:3 AES_CM_192_HMAC_SHA1_32 inline:CRYPTO192
+a=crypto:4 AES_CM_256_HMAC_SHA1_80 inline:CRYPTO256
+a=crypto:5 AES_CM_256_HMAC_SHA1_32 inline:CRYPTO256
+a=crypto:6 F8_128_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:7 F8_128_HMAC_SHA1_32 inline:CRYPTO128
+a=crypto:8 NULL_HMAC_SHA1_80 inline:CRYPTO128
+a=crypto:9 NULL_HMAC_SHA1_32 inline:CRYPTO128
+SDP
+
+answer('gh 661 from RTP suppress first', { ICE => 'remove' }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+s=tester
+t=0 0
+m=audio 2002 RTP/SAVP 0
+c=IN IP4 198.51.100.3
+a=sendrecv
+a=crypto:1 AES_CM_128_HMAC_SHA1_32 inline:dfgadgdfgdfgdfgd6AYjs3vKw7CeBdWZCj0isbJv
+--------------------------------------
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.3
+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
+
+
+
 
 
 END {