Comdial FX Series Specifikace Strana 61

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Transmit Metering Mode
Allows the installer to select the type of transmit metering that is in effect. Some locations allow
both inbound (DID) calls and outbound (DOD) calls over the same line and it is possible that
metering may be required for calls in one direction and not in the other. The service provider may
require the system to transmit a metering pulse to the network on DID calls and receive a metering
pulse from the network for DOD calls.
Quiet Dialing
When enabled, mutes the receiver path while the caller dials digits to make a call.
Feature Enhancements
To support the Argentina National Network compatibility testing, software release 13A enhances
several existing features. These features include: Call Metering, Call Category, and Call Costing.
Call Metering
May be necessary for calls in one direction and not the other. This is because some locations allow
inbound (DID) and outbound (DOD) traffic on the same E1/R2 lines. The network may need the
system to transmit a meter pulse on DID calls and may need the system to receive a meter pulse
from the network on DOD calls. To prepare for this need,
the line programming option in the VMMI program application, presents a Receive Metering
Mode choice. This programming choice is applicable to all DOD calls on that line,
the DID Block Options programming option presents a Transmit Metering Mode choice. This
setting is applicable to all DID calls for lines in the DID block.
The digital communications system supports three metering modes: Answer, Clear-Back, and C-Bit,
however, a single network connection can only support one mode of metering. Therefore, if
metering is necessary for both DID and DOD calls, installers must select the same mode for transmit
metering and receive metering. If they choose different modes for DID and DOD calls, the receive
metering (DOD) takes precedent.
Category
Support for the Argentina National Network requires three additional categories. These categories
are: Maintenance, Metered and Operator. The specific function of these category types is determined
by the network.
Call Costing
Based on the fact that the E1/R2 protocol for Argentina provides signaling to indicate when the user
initiates a toll free or collect DOD call. If the network confirms either of these call types after the
user completes dialing, the SMDA reports for the call will have no cost associated with the duration
of the call.
Understanding the Features – 57
General Description GCA40–242
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