--- tests/channels/SIP/SDP_attribute_passthrough/test-config.yaml	2018-05-16 15:47:20.000000000 +0200
+++ tests/channels/SIP/SDP_attribute_passthrough/test-config.yaml	2018-06-05 11:56:05.000000000 +0200
@@ -12,2 +12,3 @@
         - asterisk : 'chan_sip'
+        - asterisk : 'codec_speex'
     tags: