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Chapter 3. Using the Express Configuration Program
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 SP routes incoming voice calls.
Options include the following:
All Calls to DTE
Speech Calls to
POTS
Speech/Audio Calls
to POTS
Enable Distinctive Ringing
Instructs the Express 3000 SP 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:
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
works in conjunction with Add Time to increase bandwidth, if it
is available.
Lower Threshold
Defines the percentage of available bandwidth that must be in use
to maintain bandwidth levels. If the bandwidth in use falls below
this level for longer than Drop Time, a channel drops. A very high
3-12
Routes all calls to the EIA-232 port, regardless of
Call Type.
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.
Routes calls with Speech and Audio call types to
the POTS ports. Calls with Data 56k and Data
64k are routed to the EIA-232 port.
Express 3000 SP User Manual
61203153L3-20
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