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Chapter 3. Using the Express Configuration Program
3-14 Express 3000 User Manual 61203153L2-20
Data Over Voice
Allows data calls to be placed using a Speech Call Type. If a usage
charge for data exists in your area, you may benefit from this
option.
Call Routing
Specifies how the Express 3000 routes incoming voice calls. Op-
tions include the following:
Enable Distinctive Ringing
Instructs the Express 3000 to use distinctive rings that are easily
recognized on POTS ports 1 and 2.
Protocols Tab
The Protocols Tab provides you with fields for defining the point-to-
point protocol (PPP) type. Options include the following:
Enable AO/DI
Configures the unit to operate in AO/DI mode when placing PPP
calls. AO/DI allows the unit to place X.25 packet calls over the
D channel. This feature requires that X.25 packet service be pur-
chased from your ISDN service provider and AO/DI service be
purchased from you Internet Service Provider.
Raise Threshold
Defines the percentage of available bandwidth that must be in use
before an additional channel is added. A very high Raise Thresh-
old sends the most packets on the D or, initial, B channel, before
adding more B channels. A very low Raise Threshold sends a min-
imum number of packets on the initial channel. Raise Threshold
All Calls to DTE
Routes all calls to the EIA-232 port, regardless of
Call Type.
Speech Calls to
POTS
Routes calls with a Speech call type to the POTS
ports. Calls with Data 56k, Data 64k, and Audio
are routed to the EIA-232 port.
Speech/Audio Calls
to POTS Routes calls with Speech and Audio call types to
the POTS ports. Calls with Data 56k and Data
64k are routed with the EIA-232 port.