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Gigaset T440 PRO / Gigaset T640 PRO / Admin Guide INT en / A31008-N2003-R103-2-7620 / routes.fm / 6/26/17
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Routing
TDM gateways
TDM (Time Division Multiplex) means digital phone technology for analogue and ISDN
connections. You can deploy your PABX as a gateway between SIP (Internet telephony) and TDM,
i.e. analogue or ISDN outside lines. If you want to use a TDM connection or connect up analogue
devices, you must configure the connections.
An SIP gateway with internal registrar is automatically entered for every TDM gateway
configured ( p. 49).
FXS ports – analogue devices
On a Gigaset T640 PRO, you can only connect up to four (on a Gigaset T440 PRO up to two)
analogue devices to the FXS ports ( p. 7). You can assign devices to users on this screen.
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Administration
Routes
TDM Gateways
FXS ports
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Select one user from the list for every FXS port to
which a device is connected
Save
The analogue devices automatically receive the
extension of the respective users ( p. 21). If a user
has already registered a phone having this
extension with the PABX, it is deregistered.
FXO ports – analogue trunk lines
An FXO port establishes the connection to the public phone network (PSTN) or an analogue
PABX ( p. 7). You can combine FXO ports into one or more trunks, or connect a single line (out-
side line) to every port. Ports must be assigned continuously starting at 1.
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Administration
Routes
TDM Gateways
FXO ports
Connections for analogue trunk lines (FXO) are only available on the
Gigaset T640 PRO.
Information on the status of FXS ports is available on screen
Administration
System status
Interfaces
( p. 77)
FXO ports are only available on the Gigaset T640 PRO.
FXS ports
Assign user ...
Assign user ...
FXS ports
User
