User`s manual

U.S. Robotics I-modem Command Reference
Querying • Page 12-12
Loss of carrier The I-modem detected a loss of the remote deviceÕs carrier and waited the dura-
tion speciÞed in Register S10 (default is 0.7 seconds).
Mandatory infor-
mation element
is missing
The message you sent cannot be processed because it is missing one or more
mandatory elements.
Message not
compatible with
call state
You sent a message that could not be received because of the receiving deviceÕs
call state.
Message type
non-existent or
not imple-
mented
You sent a message that could not be recognized because its type is either not
deÞned or deÞned but not implemented.
MNP
incompatibility
Either the I-modem is set to &M5 and the remote device does not have MNP
capability, or there was an error in the MNP negotiation procedure.
No route to
destination
The network through which you are calling does not serve the number you are
trying to call.
No route to
speciÞed transit
network
The network through which you are trying to call either doesnÕt exist or cannot be
accessed.
Disconnect
Reason Explanation