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Chapter 1: Overview
Each PSTN line from your service provider supports a single conversation at a time. To allow
more than one user on the one-X Quick Edition network to place or receive calls to or from the
PSTN simultaneously, you will need to order more than one PSTN line from your service
provider. You can connect a maximum of four PSTN lines to a single G10 PSTN gateway.
If you need more than one PSTN line, consider asking your service provider to assign a hunt
group to the PSTN lines. When the lines are assigned to the same hunt group, outside callers
can dial a single PSTN number (a ten-digit telephone number) to reach your place of
business—the incoming call is forwarded to the first available PSTN line. If the PSTN lines are
not assigned to a hunt group, your service provider will assign a unique ten-digit telephone
number to each PSTN line.
Up to four PSTN lines may be connected to the FXO ports (L4, L3, L2, L1) on the rear panel of
the G10 PSTN gateway. To connect PSTN lines to the G10 PSTN gateway, obtain as many
telephone cords as you need, and ensure that they are long enough to reach from the G10
PSTN gateway to the supplied telephone jacks.
A PSTN line must always be connected to port L1 using a telephone cord to support the analog
telephone bypass feature (see
additional PSTN lines to ports L2, L3, and L4 using customer-supplied telephone cords.
Analog Telephone Bypass Port
You will need a Plain Old Telephone Service (POTS) analog telephone to connect to the analog
telephone bypass port on the G10 PSTN gateway. The analog telephone bypass port is a type
of power fail-transfer port.
To maintain an emergency connection to the PSTN at all times, plug the analog telephone into
the analog telephone bypass port on the G10 PSTN gateway (see
line (via a modular line cord) connected to port L1 on the rear panel of the G10 PSTN gateway.
In the event of a power failure, the analog telephone can then be used to place and receive calls
to and from the PSTN.
Normally (when the G10 PSTN gateway has power), the bypass port is disabled—there is no
connection to the PSTN, so a dial tone cannot be heard through the analog telephone handset.
When no power is being delivered to the G10 PSTN gateway, an internal connection between
the L1 port and the bypass port is closed automatically, which causes a connection to the PSTN
through the bypass port. When the bypass port has a connection to the PSTN, you can hear a
dial tone through the analog telephone handset, and you can place and receive calls using the
analog telephone.
12
Avaya one-X Quick Edition Release 1.0.0 G10 PSTN Gateway Installation Guide
Analog Telephone Bypass Port on page
12). You may connect
Figure
3) and keep a PSTN
March 2006
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