User guide

MICROTEL CellStat
TM
38
APPENDIX B: Glossary of Dialer Terminology
Acknowledge Stops the dialer from placing additional calls concerning an
alarm condition. Acknowledgment can be made by entering
the '*' during alarm playback, with call-back acknowledge, or
by an auto acknowledge phone escape sequence (*4)
embedded within the telephone number.
Alarm condition An event detected by the dialer usually causing a phone call.
Return-To-Normal A configurable option for each input that causes an alarm
callout sequence when a Fault condition clears.
Call-spacing The time delay between successive answered, but
unacknowledged telephone calls.
Intercall delay Same as Call-spacing.
I/O channel A dialer to outside world connection.
New alarm Any alarm that has not yet initiated a call out sequence or an
alarm still present after the snooze delay.
Phone number A sequence of up to 30 digits used to dial a phone number
and/or perform a dial escape sequence function.
SMS Short Messaging System, a standard for transmitting short
textual messages of about 160 characters via cellular networks.
GSM Global System for Mobile communications, the most widely
used cellular communications protocol in the world.
SIM Subscriber Identity Module, a chip that holds the subscriber’s
cellular telephone number and account information. Prepaid
SIMs deduct a dollar amount from the subscriber’s account
whenever minutes or SMS messages are consumed by the
dialer, but otherwise are free of monthly charges.
Snooze delay The time between when an alarm is acknowledged and when it
begins to cause calls again.
Unlatched type A fault which self-clears if the alarm-causing condition goes
away.
DTMF Dual Tone Multi Frequency, the standard analog tone format
used to represent the digits on a telephone keypad.
PSTN P
ublic Switched Telephone Network, also referred to as
“POTS”, i.e. plain old telephone system.