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DECT and GAP
Your handset uses a digital radio connection in accordance with the Digital Enhanced Cordless
Telecommunications standard (DECT) in the Unlicensed Personal Communications Services (UPCS)
frequency band (1,920 – 1,930 MHz) for the connection to the base station.
Users of DECT enjoy superior voice quality, high levels of security, better range, multiple handsets,
rich interoperability, free internal calls, handover, and many more value-adding services.
The Generic Access Profile (GAP) and the DECT standard define methods according to which digital
cordless telephones can establish connections. As the GAP standard is not manufacturer-specific, it’s
possible to combine base stations and handsets from different manufacturers with one another.
Basic functions (i.e., making and receiving calls) are always possible when using these combinations.
Other functions (e.g., the display of phone numbers or connection states) may not be available if you
use other manufacturers’ devices, however. For more information, please refer to the user guide
provided by the other manufacturer or ask your system administrator.
Memory Card
The Aastra DECT 142 is equipped with a memory card. This stores your phone's local settings
(including a local telephone book with up to 100 entries) and its identification number (IPEI). This
means that if you exchange phones with someone else, you simply take your memory card out of
your own phone and plug it into the other one. You will then have all the data you need in the new
phone and can make calls right away without having to register it on the base station again.
The memory card is inserted in a slot in the battery compartment underneath the batteries. For
security purposes, your phone is fitted with an additional battery compartment lock.
In some models, the memory card has already been inserted in the factory. If the memory card has
been supplied separately, you will have to insert it in its slot yourself. This is located in the battery
compartment underneath the batteries. For instructions on how to insert the memory card in the
Aastra DECT 142, please refer to the section entitled "Installation" below.
Headset Connector
Your phone is equipped with a 2.5 mm jack for connecting a headset. In order to maintain electrical
compatibility, it is important that you only connect the headset recommended by Aastra.
Using Your Telephone