/Accounts/:AccountSid/SIP/Domains/:SipDomainSid/CredentialListMappings/{{CLSid}}{{mediaTypeExtension}}

DELETE {{baseUrl}}/Accounts/:AccountSid/SIP/Domains/:SipDomainSid/CredentialListMappings/{{CLSid}}{{mediaTypeExtension}}

Remove a CredentialListMapping from a domain