| How this works Traffic to and from the mobile user
passes through the Ericsson communication system allowing the system
to link services to the calls. Users of the Ericsson Mobile Extension
are defined just like other standard extensions. A telephone number
is associated with the extension as well as the relevant Class of
Services. The Tandem function will bring a true one-number solution
to a Mobile Extension user. ![]() Mobile phones, allowing you to move
around and still be able to call or be called, is a fundamental element
of mobility. But supporting mobile behavior requires much more. The
mobile professional also requires access to the applications, services,
support, and flexibility that your communication system provides.
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