diff --git a/lib/call-session.js b/lib/call-session.js
index c437326..5c11411 100644
--- a/lib/call-session.js
+++ b/lib/call-session.js
@@ -125,7 +125,7 @@ class CallSession extends Emitter {
         proxy,
         headers,
         responseHeaders,
-        proxyRequestHeaders: ['all', '-Authorization', '-Max-Forwards', '-Record-Route'],
+        proxyRequestHeaders: ['all', '-Authorization', '-Max-Forwards', '-Record-Route', '-Session-Expires', 'Min-SE'],
         proxyResponseHeaders: ['all'],
         localSdpB: response.sdp,
         localSdpA: async(sdp, res) => {