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Reliable communications for mission-critical operations

TETRA is designed for professional mobile radio applications, and for use in mission critical scenarios. Use of a two-way transceiver (popularly known as a walkie-talkie) allows people to communicate with each other.

Unlike cellular technologies, which connect one subscriber to one other subscriber (one-to-one), TETRA is built to do:
  • one-to-many
  • many-to-many
  • one-to-one
These operational modes are directly relevant to the public safety and professional users.

The service is based on Time Division Multiple Access (TDMA) technology, which allows several users to securely share the same frequency channel.

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The service has been in operation in Qatar since April 2005, and today there are over 290 customers and over 27,000 plus users.

The service offers full redundancy in terms of base station coverage, switches (which are placed in separate locations), and in the core fiber optic rings.
  • Reliable group calling: the common mode of operation of TETRA is in a group calling mode in which a single button push on the hand-held terminal will connect the user to the users in a selected call group and/or a dispatcher. It is also possible for the terminal to act as a one-to-one ‘walkie talkie’ but without the normal range limitation since the call still uses the network.

  • Flexibility and versatility: TETRA hand-held terminals can also be used as mobile phones (cell phones), with a direct connection to other TETRA users or to the public phone system. Emergency buttons, provided on the terminals, also enable the users to transmit emergency signals, to the dispatcher, overriding any other activity taking place at the same time.

  • Multiple purpose communications: In addition to voice and dispatch services, Ooredoo’s TETRA system supports several types of data communication. Status messages and short data services (SDS) are provided over the system’s main control channel.
The TETRA service comprises:
  • Full portfolio of communications services: including group, individual and broadcast calls; caller ID, call diversion, call report, call barring; and various private mobile radio services like priority call, emergency call, dynamic group number assignment.

  • Extensive range of compatible handsets: available from a range of local vendors.

  • Fully supported operations and maintenance: with a 24-hour dedicated TETRA helpline on 800 8000.

  • Broad range of TETRA-compatible applications: including dispatcher systems, voice recorders, Automatic Vehicle location (AVL) an in-building coverage solutions, TETRA for events, location based services and others.
Description Set-up fee Tariff/ month
Monthly fee/ user (QR)
50
90
Group fee/ group (QR)
0
60
Short data service (SMS)(QR)
0
0
Individual call charge (QR)-P2P
0
100
High Priority
0
100
Emergency Calls
0
200
PSTN/GSM per ISSI
1000
350
VPN
500
500
Group of Groups per Account-35
500
1000

When you subscribe to TETRA, you will get a number of free connections depending on the number of users you have. See below table for details.

Description 10 users 50 users 100 users
Number of Group
1
2
3
Number of 1 to 1
-
1
2
Number of high priority
-
1
2
Number of Emergency Calls
-
1
2
Number of landline or mobile
-
1
2

Related link: Tetra Applications