Check the following if a message appears on the TV monitor when operating
the Communication System.
Cannot complete connection. (The following code and message appear.)
Unknown network error: Try again later.
Number does not exist: Check the number and try again.
Network congestion: Try again later.
Try again later.
Normal disconnection: (The line has been disconnected normally.)
Line is busy: Try again later.
18,19 System not responding: Check if the remote system is connected.
No such subscriber: Confirm the site number.
Call rejected: Check if the remote system is connected.
Called party number changed: Check the number and try again.
Connection restoration request: Try again later.
Remote system out of order: Check if the remote system is operational.
Invalid number entered: Check the number and try again.
31, 41 – 43, 47
Network not available: Try again later.
Line is busy. Try to dial again later.
Network not available: Line is busy. Try again later.
Not a Subscriber: Check the remote party's facility contract.
57,58 Bearer capability not authorized: Check if "Restrict" is set correctly.
Restricted capability: Set "Restrict" to "56K" and try again.
Terminal attribute error: Check the connection of the remote system.
91, 95 – 102, 111
Protocol error: Turn off and restart the system and try again.
H.221 negotiation timeout: Restart the system and connect again.
Board mismatch: Check the optional line interface boards.
Invalid SPID: Reregister the SPID.
Physical link synchronization error: Check the connection of the ISDN cable.
The remote terminal may not be compatible with the BONDING function.
LAN connection timeout: Try again later.