Motorola MTM800 - 11.10 Tamper Protection Labels; 12 Numbering and Addressing; 12.1 Short Addressing Schemes; 12.1.1 Short Number Dialing Using ISSI

2-42 Services and Feature Description
6866537D87-F Chapter 2 - MTM800 Product Information Manual September 2008
Upon receipt of a D-DISABLE with ’Equipment Disable’ with the correct TEI, the terminal will be
disabled.
If the terminal is in the equipment disabled state and receives a D-Enable with the correct TEI (in the
case of equipment disable), the terminal will be restored to its normal operative state (provided that
the subscription is also in the enabled state).
11.10 Tamper Protection Labels
This a special label which needs to be ordered with the terminal optionally. It automatically
destroyed if attempted to open up the terminal.
Benefits:
❏ Any attempt of manipulating the terminal or reading the key inside the terminal is obvious and
visible
12 Numbering and Addressing
Each terminal has an Individual TETRA Subscriber Identity ITSI which is used for addressing it over
the air interface and as these number can be long and it is time consuming to enter such a number
when dialing, a number of short number dialing schemes can be used to limit the SSI digit entry.
12.1 Short Addressing Schemes
Alternatively, the terminal can be programmed to treat a short number as an Short Subscriber
Identity SSI. This scheme can be refined to allow short dialing within a fleet by combining the ID
entered with the terminal’s own SSI.
12.1.1 Short Number Dialing Using ISSI
If the terminal has been programmed to treat a short number as a TETRA Short Subscriber Identity,
and the number entered is less than 7 digits, the terminal’s own identity will be combined with the
number entered by the user to produce the actual ISSI. Using this scheme, an Individual Short
Subscriber Identity ISSI can be comprised of a fleet number part and a member part.
The terminal’s own ISSI will be used as ‘leading digits’ for the digits omitted by the user. Thus, if for
instance:
Terminal’s own ID: 1234567
User Enters: 890
SSI sent will be: 1234890
The following call types can use SSI for identifying users:
• Full-duplex Private Call: called party and calling party identification
• Half-duplex Private Call: called party and calling party identification
• Group Call: calling party identification and talking party identification
• Mobile Status: called party and calling party identification
• Short Data Bearer Service: called party and calling party identification
• Text Message Service: called party and calling party identification