PJSIP signaling/media encryption reader

extensions_custom.conf

; FreePBX dialplan to create a dialable feature code that will play audio back to the caller telling them if the
; pjsip signaling and rtp/srtp audio they are using is encrypted or not
; 
; latest version: https://gist.github.com/lgaetz/3c2bc4709607fdde40a278f980dbe9b2
;
; License: GNU GPL3
; 
; Usage - place the dialplan below in the file /etc/asterisk/extensions_custom.conf and reload the dialplan (apply config)
;         from a local device dial 4511. The audio played will indicate if signaling and/or media is encrypted.
;
; History  2024-12-12 First commit

[from-internal-custom]
exten => 4511,1,Noop()
exten => 4511,n,Answer
exten => 4511,n,GoSubIf($[${CHANNEL(pjsip,secure)}]?secure_sig:insecure_sig)
exten => 4511,n,Wait(0.5)
exten => 4511,n,GoSubIf($[${CHANNEL(rtp,secure)}]?secure_audio:insecure_audio)
exten => 4511,n,Hangup()

exten => 4511,n(insecure_audio),Flite(Audio is not secure)
exten => 4511,n,return
exten => 4511,n(secure_audio),Flite(Audio is secure)
exten => 4511,n,return
exten => 4511,n(secure_sig),Flite(Signaling is secure)
exten => 4511,n,return
exten => 4511,n(insecure_sig),Flite(Signaling is not secure)
exten => 4511,n,return