Can you add below command on the below incoming dial-peer which you have configured and make a test call.
#incoming called-number .
dial-peer voice 1000 voip
permission term
description ** Incoming call from SIP trunk (Twilio) **
translation-profile incoming SIP
incoming called-number ===============add this
session protocol sipv2
session target sip-server
voice-class codec 1
voice-class sip dtmf-relay force rtp-nte
dtmf-relay rtp-nte
ip qos dscp cs5 media
ip qos dscp cs4 signaling
no vad
Br,
Nadeem
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