--- a/media/webrtc/signaling/src/media/VcmSIPCCBinding.cpp
+++ b/media/webrtc/signaling/src/media/VcmSIPCCBinding.cpp
@@ -23,16 +23,17 @@
 #include "runnable_utils.h"
 #include "cpr_stdlib.h"
 #include "cpr_string.h"
 
 #include <stdlib.h>
 #include <stdio.h>
 #include <ssl.h>
 #include <sslproto.h>
+#include <algorithm>
 
 extern "C" {
 #include "ccsdp.h"
 #include "vcm.h"
 #include "cip_mmgr_mediadefinitions.h"
 #include "cip_Sipcc_CodecMask.h"
 
 extern void lsm_start_multipart_tone_timer (vcm_tones_t tone,
@@ -2634,17 +2635,22 @@ vcmCreateTransportFlow(sipcc::PeerConnec
     nsresult res = DtlsIdentity::ParseFingerprint(fingerprint,
                                                   remote_digest,
                                                   sizeof(remote_digest),
                                                   &digest_len);
     if (!NS_SUCCEEDED(res)) {
       CSFLogError(logTag, "Could not convert fingerprint");
       return NULL;
     }
-    res = dtls->SetVerificationDigest(fingerprint_alg, remote_digest, digest_len);
+
+    std::string fingerprint_str(fingerprint_alg);
+    // Downcase because SDP is case-insensitive.
+    std::transform(fingerprint_str.begin(), fingerprint_str.end(),
+                   fingerprint_str.begin(), ::tolower);
+    res = dtls->SetVerificationDigest(fingerprint_str, remote_digest, digest_len);
     if (!NS_SUCCEEDED(res)) {
       CSFLogError(logTag, "Could not set remote DTLS digest");
       return NULL;
     }
 
     std::vector<uint16_t> srtp_ciphers;
     srtp_ciphers.push_back(SRTP_AES128_CM_HMAC_SHA1_80);
     srtp_ciphers.push_back(SRTP_AES128_CM_HMAC_SHA1_32);