R


Roaming

A function that enables wireless subscribers to use the service on networks of operators other than the one with which they signed their initial contract. The roaming service is active when wireless is used in a foreign country (included in GSM network).


S


Shared Access
Methods of shared access, through the user’s duplex cable, with another TLC service provider. This method permits the retention of voice telephony from Telecom Italia (or other operators) alongside ADSL on the proprietary network of the shared access operator, that is, not passing through the Telecom Italia networks but travelling directly along the operator’s channels at the substation.

SMS (Short Message Service)
Short text messages than can be received and sent through GSM-network connected cellular phones. The maximum text length is 160 alpha-numerical characters.


SOHO

The small office/home office market which consists of businesses that use telephone lines to connect to the Internet, as opposed to dedicated lines, and is made up of small businesses, generally with one or two employees, and businesses conducted out of the home.


T


TDMA
(Time Division Multiple Access)
A technology for digital transmission of radio signals between, for example, a mobile phone and a radio base station. TDMA breaks signals into sequential pieces of defined length, places each piece into an information conduit at specific intervals and then reconstructs the pieces at the end of the conduit.  

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