diff --git a/src/libosmo-mgcp-client/mgcp_client.c b/src/libosmo-mgcp-client/mgcp_client.c
index 5823e2b..a65cd61 100644
--- a/src/libosmo-mgcp-client/mgcp_client.c
+++ b/src/libosmo-mgcp-client/mgcp_client.c
@@ -466,9 +466,8 @@
 	/* Find beginning of the parameter (SDP) section */
 	data_ptr = mgcp_find_section_end(data);
 	if (!data_ptr) {
-		LOGP(DLMGCP, LOGL_ERROR,
-		     "MGCP response: cannot find start of SDP parameters\n");
-		rc = -EINVAL;
+		LOGP(DLMGCP, LOGL_DEBUG, "MGCP response contains no SDP parameters\n");
+		rc = 0;
 		goto exit;
 	}
 
diff --git a/tests/mgcp_client/mgcp_client_test.c b/tests/mgcp_client/mgcp_client_test.c
index 9c4392f..d2e34a6 100644
--- a/tests/mgcp_client/mgcp_client_test.c
+++ b/tests/mgcp_client/mgcp_client_test.c
@@ -360,7 +360,7 @@
 static struct sdp_section_start_test sdp_section_start_tests[] = {
 	{
 		.body = "",
-		.expect_rc = -EINVAL,
+		.expect_rc = 0,
 	},
 	{
 		.body = "\n\n",
@@ -399,19 +399,19 @@
 		.body = "some mgcp header data\r\nand header params"
 			"\n\r\n"
 			"m=audio 23\r\n",
-		.expect_rc = -EINVAL,
+		.expect_rc = 0,
 	},
 	{
 		.body = "some mgcp header data\r\nand header params"
 			"\r\n\r"
 			"m=audio 23\r\n",
-		.expect_rc = -EINVAL,
+		.expect_rc = 0,
 	},
 	{
 		.body = "some mgcp header data\r\nand header params"
 			"\n\r\r"
 			"m=audio 23\r\n",
-		.expect_rc = -EINVAL,
+		.expect_rc = 0,
 	},
 };
 
diff --git a/tests/mgcp_client/mgcp_client_test.err b/tests/mgcp_client/mgcp_client_test.err
index 627b2d9..fbcf8f6 100644
--- a/tests/mgcp_client/mgcp_client_test.err
+++ b/tests/mgcp_client/mgcp_client_test.err
@@ -17,8 +17,9 @@
 
 test_sdp_section_start() test [0]:
 body: ""
-DLMGCP MGCP response: cannot find start of SDP parameters
-got rc=-22
+DLMGCP MGCP response contains no SDP parameters
+got rc=0
+got audio_port=0
 
 test_sdp_section_start() test [1]:
 body: "\n\n"
@@ -52,18 +53,21 @@
 
 test_sdp_section_start() test [7]:
 body: "some mgcp header data\r\nand header params\n\r\nm=audio 23\r\n"
-DLMGCP MGCP response: cannot find start of SDP parameters
-got rc=-22
+DLMGCP MGCP response contains no SDP parameters
+got rc=0
+got audio_port=0
 
 test_sdp_section_start() test [8]:
 body: "some mgcp header data\r\nand header params\r\n\rm=audio 23\r\n"
-DLMGCP MGCP response: cannot find start of SDP parameters
-got rc=-22
+DLMGCP MGCP response contains no SDP parameters
+got rc=0
+got audio_port=0
 
 test_sdp_section_start() test [9]:
 body: "some mgcp header data\r\nand header params\n\r\rm=audio 23\r\n"
-DLMGCP MGCP response: cannot find start of SDP parameters
-got rc=-22
+DLMGCP MGCP response contains no SDP parameters
+got rc=0
+got audio_port=0
 DLMGCP ptmap contains illegal mapping: codec=113 maps to pt=2
 DLMGCP ptmap contains illegal mapping: codec=0 maps to pt=100
 DLMGCP ptmap contains illegal mapping: codec=113 maps to pt=2