Motorola MTP850 Ex Product Information Manual page 58

2-16
4 Phone Call (TMO)
The Telephone call service enables the terminal to communicate in a one-on-one full-duplex
conversation with another terminal (TETRA or non-TETRA) via a telephone switch when in TMO
mode.
The terminal supports Individual call service to an external identity as described in the Air Interface
standard [Ref 1], clause 14.5.1 (and in particular clause 14.5.1.2.6), and the TIP [Ref 10] clause 12.
4.1 Phone Modes
There are two phone number call types - a full phone number, which is addressed to the defined
PSTN gateway address, or a PABX phone number, for internal calls, where the numbers dialed will
be addressed to the defined PABX gateway address.
No more than one PSTN gateway ID and one PABX gateway ID is available in the terminal.
4.2 Telephone Ergonomic Features
4.2.1 Telephone Address Books
See Paragraph 18.9 "Unified Address Book (Contacts)".
4.2.2 Dialing Methods
The terminal supports the following methods for selecting a number for an outgoing telephone call in
either Phone Mode or PABX Mode:
• Via Contact List
• One Touch button
• Via Call History list
For the different dialing methods description see Paragraph 18.10 "Dialing Methods".
4.2.3 Ring Styles
The terminal allows the user to select one of the available different ring styles for incoming phone
calls.
4.3 Air Interface Aspects
The terminal supports the telephone-related functions listed below.
4.3.1 Initiating a Telephone Call
The terminal is able to initiate telephone calls to a PSTN/PABX with full-duplex speech capability.
This call type will use TETRA individual call signalling as described in [Ref 1] and [Ref 10] using
single stage dialing and hook set-up for outgoing calls.
Using hook signalling for Phone calls, implies that until a traffic channel is allocated, all feedback
tones are generated internally by the terminal. In addition, the terminal will accept SwMI modification
of the call setup to 'direct', thereby enabling the infrastructure to generate the progress tones.
Telephone calls can also be made between TETRA terminals using the terminal-ISDN number as
the called party number.
6866588D21-D Chapter 2 - MTP850 Ex/MTP810 Ex Product Information Manual
Services and Feature Description
March 2009