Asus R80TA - Manual (Page 56)

 VivoTab Note 8 E-Manual
Internal Modem Compliancy
The VivoTab Note 8 with internal modem model complies with JATE (Japan), FCC
(US, Canada, Korea, Taiwan), and CTR1. The internal modem has been approved
in accordance with Council Decision 98/8/EC for pan-European single terminal
connection to the public switched telephone network (PSTN). However due
to differences between the individual PSTNs provided in different countries,
the approval does not, of itself, give an unconditional assurance of successful
operation on every PSTN network termination point. In the event of problems you
should contact your equipment supplier in the first instance.
Overview
On th August 1998 the European Council Decision regarding the CTR 1 has
been published in the Official Journal of the EC. The CTR 1 applies to all non
voice terminal equipment with DTMF-dialling which is intended to be connected
to the analogue PSTN (Public Switched Telephone Network).
CTR 1 (Common Technical Regulation) for the attachment requirements for
connection to the analogue public switched telephone networks of terminal
equipment (excluding terminal equipment supporting the voice telephony
justified case service) in which network addressing, if provided, is by means of
dual tone multifrequency signalling.