Inter-Tel AXXESS Manual page 677

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Off-Premises Extensions (OPX)

12.116Off-premises extensions are remote single-line DTMF sets that are connected to the

phone system through telephone company [network provider] OPX circuits (customer-pro-

vided circuits).

12.117Off-premises station users gain access to the features by hookflashing, pressing and

releasing the hookswitch quickly (pressing the

12.118Some telephone company [network provider] off-premises extension (OPX) networks

do not recognize certain single-line set ring cadences used in the phone system. This incompat-

ibility results in an inability to provide certain ring signals to off-premises extensions. Because

of this, the system is equipped with a station option (Extended Ring Cadences) which allows

the ring cadences be altered for individual single-line circuits. See

MING for details.

12.119 Another programming option (the OPX Gain Levels flag) allows the receive and trans-

mit gains to be automatically adjusted to improve OPX communication with the central office

[local exchange]. See

Off-Premises Extensions (OPX)

in PROGRAMMING.

OFF-PREMISES EXTENSIONS

OPX circuits can connect to SLA, T1, or E1 circuits.

MANUAL VERSION 11.0 – May 2008

button), and entering feature codes.

System Features

Chapters

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