diff --git a/tests/mgcp_client/mgcp_client_test.err b/tests/mgcp_client/mgcp_client_test.err
index 1d5a1a0..b20f93f 100644
--- a/tests/mgcp_client/mgcp_client_test.err
+++ b/tests/mgcp_client/mgcp_client_test.err
@@ -66,4 +66,6 @@
 DLMGCP ptmap contains illegal mapping: codec=0 maps to pt=100
 DLMGCP ptmap contains illegal mapping: codec=113 maps to pt=2
 DLMGCP ptmap contains illegal mapping: codec=0 maps to pt=100
+DLMGCP Failed to parse MGCP response (parameter label: I): the received conn ID is too long: 39, maximum is 32 characters
+DLMGCP Cannot parse MGCP response (head parameters)
 Done