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Phenomena Analysis Solution
A half-duplex call cannot
be established.
The predefined time period for
establishing a call may expire.
Make sure that the call is established
within the predefined time period.
The channel may be occupied by
another terminal with a higher call
priority.
Wait until the channel becomes
available and try again.
The channel resources may be
allocated to other services due to
overloaded network.
Wait until the channel becomes
available and try again.
Abnormal disconnection
occurs during a call.
The terminal may be out of the network
coverage (in TMO).
Check the signal strength. Make sure
that the terminal is within the network
coverage.
The terminal may operate in an
unfavorable position where
communication signals may be
blocked by high buildings or by being
in the underground area (in DMO).
Move to an open and flat area, and
restart the terminal.
The content of the status
message for the receiving
and transmitting parties
is different.
The status message IDs may be
different.
Make sure that the status message IDs
for the receiving and transmitting
parties are the same.
If the above solutions cannot fix your problems, or you may have some other queries, please contact us or your local
dealer for more technical support.
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