Asus N55SF Manual page 93

This information was copied from CETECOM and is supplied
without liability. For updates to this table, you may visit http://
www.cetecom.de/technologies/ctr_21.html
1 National requirements will apply only if the equipment
may use pulse dialling (manufacturers may state in the
user guide that the equipment is only intended to support
DTMF signalling, which would make any additional testing
superfluous).
In The Netherlands additional testing is required for series
connection and caller ID facilities.
ノートパソコン ユーザーマニュアル 93