Common Audible Ringer Interface - Comdial DSU II Manual

IMI66–132
desired. After a programmer has reprogrammed a system, he or she can re-default it by
using the system, line, and station class of service programming or use a master clear to
default the entire system and erase all stored programmable button information.
Remote Programming And Administration
Both remote class of service programming and the transmission of SMDR data for
printing are available through serial data ports. The system supports X-on X-off terminal
control codes as well as a DTR signal for handshaking. The system data communications
operates per the popular XMODEM protocol. The database can be uploaded or
downloaded, error free, from or to a remote computer that is running software that
supports the XMODEM protocol. The two serial data ports allow VDT programming
(either local or remote) to be conducted through one port at the same time that the other
port is being used to send SMDR data for printing. VDT programming of the system is
menu driven.

Common Audible Ringer Interface

Connections are available at the common equipment that provides "dry-contact" relay
closures whenever an incoming line rings. These contact closures track the ringing
pattern and can be used to control an external signaling device.
See also, Ringing.
Conferencing
Add-On Conferencing
With this feature, a user at a station that is operating in a private mode can add up to
three other stations to an outside call.
Multiline Conferencing
This feature will allow one station to access up to four outside lines at the same time
resulting in a conference arrangement. The user employs the transfer/conference button
to effect the conference.
Unsupervised Conferencing
After a user has established a conference between an internal party and a maximum of
two external parties, this feature allows the internal party to drop out of the conference by
dialing a special code. The conference between the two outside parties continues in an
unsupervised condition.
A – 18 Digital Telephone System Features
DSU II Digital Telephone System