Sdes testing (#67)

* sdes testing

* log rtpengine answer

* test with sdes off (again)

lib/utils.js

@@ -41,7 +41,7 @@ function makeRtpEngineOpts(req, srcIsUsingSrtp, dstIsUsingSrtp, teams = false) {
   };
 }
 
-const SdpDoesNotWantDTLS = (sdp) => {
+const SdpWantsSDES = (sdp) => {
   return /m=audio.*\s+RTP\/SAVP/.test(sdp);
 };
 const SdpWantsSrtp = (sdp) => {
@@ -181,7 +181,7 @@ const parseConnectionIp = (sdp) => {
 module.exports = {
   isWSS,
   SdpWantsSrtp,
-  SdpDoesNotWantDTLS,
+  SdpWantsSDES,
   getAppserver,
   makeRtpEngineOpts,
   makeAccountCallCountKey,