jigasi: add SDES srtp enabling possibility and healthcheck

env.example

@@ -210,6 +210,18 @@ JIGASI_PORT_MIN=20000
 # Maximum port for media used by Jigasi.
 JIGASI_PORT_MAX=20050
 
+# Enable SDES srtp
+#JIGASI_ENABLE_SDES_SRTP=1
+
+# Keepalive method
+#JIGASI_SIP_KEEP_ALIVE_METHOD=OPTIONS
+
+# Health-check extension
+#JIGASI_HEALTH_CHECK_SIP_URI=keepalive
+
+# Health-check interval
+#JIGASI_HEALTH_CHECK_INTERVAL=300000
+
 # Disable HTTPS. This can be useful if TLS connections are going to be handled outside of this setup.
 #DISABLE_HTTPS=1