- audio call up to one minute
- text (SMS/MMS) with up to 169 characters
- so an email message
- these are outbound messages – inbound responses are measured the same way.
- an account is required for any of the message delivery services to operate
- the first year is included, and the next year is charge annually or monthly
- the installation includes subscription set-up
- it may consist of database design, phone number porting, or authorization