diff --git a/lib/utils.js b/lib/utils.js
index 84d2de2..8c3c879 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -17,7 +17,8 @@ function makeRtpEngineOpts(req, srcIsUsingSrtp, dstIsUsingSrtp, teams = false) {
   }
   const common = {
     'call-id': req.get('Call-ID'),
-    'replace': ['origin', 'session-connection']
+    'replace': ['origin', 'session-connection'],
+    'record call': process.env.JAMBONES_RECORD_ALL_CALLS ? 'yes' : 'no'
   };
   return {
     common,