Number and
Description Cause Solution
20 Network connection
failure – Too many
failures to activate PDP
context. Power down
and try again.
Too many failed
attempts (4) to
connect to the
Network.
This failure may occur because
of a weak signal due to
obstructions or geographic
position (such as extreme
latitude or longitude). Contact
your Service Provider to verify
coverage for your location.
21 Network connection
failure - Network
assigned an invalid IP
address. Power down
and try again.
Assignment of an
invalid IP address
by the network
during
connection.
Power down ThurayaIP and try
again. If the problem continues,
contact your Service Provider.
The Service Provider should
verify that you have the correct
network settings.
22 Network connection
failure – No response
from network. Power
down and try again.
Network
connection
failure due to lack
of a response
from the network.
Power down ThurayaIP and try
again. If the problem continues,
contact your Service Provider.
23 Network connection
failure – Protocol error
received from network.
Power down and try
again.
Network
connection
failure due to a
protocol error.
Power down ThurayaIP and try
again. If the problem continues,
contact your Service Provider.
24 Network connection
failure – GPRS stack
could not attach to
MUX interface. Power
down and try again.
Internal software
error. Power down ThurayaIP and try
again. If the problem continues,
contact your Service Provider.
25 Network connection
failure - GPRS stack
could not detach from
MUX interface. Power
down and try again.
Internal software
error.
Power down ThurayaIP and try
again. If the problem continues,
contact your Service Provider.