Asus PU500CA - Manual (Page 82)

A-24 Notebook PC User Manual
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.