Lucent Technologies MERLIN LEGEND Release 5.0 Feature Reference page 490

MERLIN LEGEND Communications System Release 5.0
Feature Reference 555-650-110
Features
Primary Rate Interface (PRI) and T1
— DMS OUTWATS
— DMS FX
— DMS Tie Trunk
Copy Telephone Number to Send
This option specifies whether or not the telephone number to send to the network
for outgoing calls made on PRI lines assigned to a B-channel group is copied from
the PRI telephone number assigned to that PRI line. Select the Copy Telephone
Number to Send option when the telephone number sent to the network should
match the number received from the network, indicating the number dialed by the
outside caller. Select the Do Not Copy Telephone Number option either when a
telephone number to send is assigned to each PRI line in the B-channel group or
when no telephone number is to be sent to the network.
Telephone Number to Send
This option assigns the telephone number to send to the network when outgoing
calls are made on PRI lines. If the person being called subscribes to a PRI caller
identification service, the number indicates who is calling.
Test Telephone Number
This option assigns a test line telephone number for each 100D (DS1) module
installed in the control unit that provides ISDN PRI service.
Timers and Counters
This option sets the timer and counter thresholds. The factory settings for
thresholds are standard and rarely need to be changed (see "At a Glance" on
page 441
from the network before the duration of the timer setting, the communications
system takes appropriate corrective action.
The timers and counters are as follows:
T200 Timer. Times the delay in link layer acknowledgment of a message
sent from the communications system to the network over a D-channel.
T203 Timer. Times the period of time between each exchange of
messages between the system and the network on the D-channel.
N200 Counter. Counts the number of times the communications system
has transmitted a message on a D-channel because no link layer
acknowledgment is received from the network.
N201 Counter. Counts the maximum number of layer 3 octets the system
can send or receive in a single D-channel message.
K Counter. Counts the number of layer 3 unacknowledged messages sent
from the communications system to the network on a D-channel.
for factory settings and valid ranges). When no response is received
Issue 1
June 1997
Page 458
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