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There will be an indication to the user when the terminal is in TXI mode.
In TXI mode the user will be prevented from initiating any non-emergency call or service, and the
terminal will not send any low layer initiated transmission.
Mobility procedures that do not require the terminal to send an uplink transmission will be performed
- with the exception of cell reselection which will not be performed even if no registration is required.
In TXI mode the terminal will join group calls for any group that the terminal is monitoring, but will
prevent the user from transmitting on that call. The terminal will also display any incoming SDS
messages to the user.
The missed call feature will be active in TXI mode to allow the user to know what calls were missed.
However, the terminal will attempt to prevent call setup retransmission from being recorded as
separate calls.
If the user initiates an Emergency call, the terminal will immediately leave TXI mode and attempt to
start the Emergency Call if the terminal is in service.
If the user powers off the terminal in TXI mode, upon power up the terminal will ask the user whether
or not the user wishes to exit TXI mode. If the user answers "No" the terminal will power down.
15.4
Other Supplementary Services
15.4.1
Calling Line Identification Presentation (CLIP)
The PDUs and facility elements for this SS are not supported. However, Identification Presentation
functionality is supported in most cases using the information found in the call setup messages, as
specified in Paragraph 3.2.4 "Calling Party Identification Presentation", and Paragraph 4.3.4 "Calling
Line Identification Presentation (CLIP)".
15.4.2
Late Entry (LE)
The PDUs and facility elements for this SS are not supported, but the functionality will be supported
for Group Calls if late entry an appropriate PDUs are received. See Paragraph 2.2.8 "Late Entry".
15.4.3
Talking Party Identification (TPI)
The PDUs and facility elements for this SS are not supported. However, Identification Presentation
functionality is supported in most cases using the information found in the call setup messages, as
specified in Paragraph 2.2.2 "Talking Party Identification".
15.4.4
Calling Line Identification Restriction (CLIR)
CLIR is currently not supported in the terminal.
6866588D21-D
Chapter 2 - MTP850 Ex/MTP810 Ex Product Information Manual
Services and Feature Description
March 2009
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