Delete source ip mapping
With Source IP Mappings, Twilio can recognize your SIP requests based on where they are sent from. The Request-URI no longer has to have the FQDN (Fully Qualified Domain Name) of your SIP Domain.
DELETE
/v1/SourceIpMappings/{Sid}
curl \
--request DELETE 'https://voice.twilio.com/v1/SourceIpMappings/{Sid}' \
--user "username:password"