3-70 Customer Programming Software (CPS)
6866588D21-D Chapter 3 - MTP850 Ex/MTP810 Ex Product Information Manual March 2009
18.4.2 Transmit Demand Priority
There are 4 options associated with this field entry and are selected by clicking the pointer in the
field value box and selecting an option using the down arrow.
The selected entry defines the level of priority used by the terminal to send transmit requests (Group
Call or Express Group Call only).
Note: This parameter may be ignored by the system.
The available levels are:
• Low Demand Priority.
• High Demand Priority.
• Pre-emptive Demand Priority.
• Emergency Pre-emptive Demand Priority (This is priority 15 and will not interrupt emergency
calls).
Selecting “Pre-emptive Demand Priority” enables the pre-emption (interrupt) of a user on another
call that has a lower priority.
18.4.3 Transmit Demand Private Priority
This entry determines the level of priority that the terminal will use for call set up of Semi-duplex
Private Calls.
There are 3 options associated with this field entry and are selected by clicking the pointer in the
field value box and selecting an option using the down arrow.
The available levels are:
• Low Demand Priority
• High Demand Priority
• Pre-emptive Demand Priority
Selecting “Pre-emptive Demand Priority” enables the pre-emption (interrupt) of a user on another
call.
Note: This parameter may be ignored by the system.
18.4.4 PSTN Gateway ID
This field displays the System Identity (ISSI) of the PSTN Gateway that is used to access the
telephone interface for telephone call set up to a PSTN. Selecting the reset option will display the
TETRA Standard ISSI.
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