Tertiary production: this refers to the commercial services that support the production and distribution process, eg insurance, transport, advertising, warehousing and other services such as teaching and health care.Your web browser does not have JavaScript switched on at the moment.ertiary production: this refers to the commercial services that support the production and distribution process, eg insurance, transport, advertising, warehousing and other services such as teaching and health care. Your web browser does not have JavaScript switched on at the moment.
Best Answer: Short message service. From Wikipedia: Short Message Service (SMS) is the text communication service component of phone, web, or mobile communication systems, using standardized communications protocols that allow the exchange of short text messages between fixed line or mobile phone devices.
SMS Messaging and MMS Differences. There are several differences in SMS and MMS messaging. Bulk SMS messages are sent via cellular networks and are started by the message transferring to something call a short message service center or SMSC for short. The SMSC then attempts to send the messages to the recipients.