This function will release a specific phone / DID number from your account
Meta:
ReleaseNumbers(Username, Password, Number)
Sample usage:
POST:
curl -X POST https://api.multitel.net/json/releasenumbers \
--data-urlencode "UserName=USERNAME" \
--data-urlencode "Password=PASSWORD" \
--data-urlencode "Number=12031234567"
GET:
curl -x GET https://api.multitel.net/json/releasenumbers/USERNAME/PASSWORD/12031234567
Please note that cancelling a number that has been provisioned with E911 will automatically cancel the E911 provision.