Installation and Upgrades for DEFINITY ONE and
IP600 Internet Protocol Release 10
555-233-109
Issue 6
December 2001
Hardware Additions
6-8Add TN464GP/TN2464BP with Echo Cancellation
6
3. On Trunk Features, screen 2, set the
DS1 Echo Cancellation?
field to
y.
4. Type [add | change] ds1
UUCSS
and press Enter.
5. On the DS1 Circuit Pack screen, set the
Echo Cancellation?
field to y.
When set to y, 2 new fields display:
EC Direction:
and
EC
Configuration:
.
■ If you know the echo is coming into DEFINITY, keep the default
setting for the
EC Direction:
field of inward.
■ If you know that the distant party is hearing echo that originates in
DEFINITY or its line side stations or equipment, set the
EC
Direction:
field
to
outward.
add trunk-group next Page 2 of 11 SPE A
TRUNK FEATURES
ACA Assignment? n Measured: both
Internal Alert? n Maintenance Tests? y
Data Restriction? n
Glare Handling: none
Used for DCS? n
Suppress # Outpulsing? n
Seize When Maintenance Busy: neither-end
Incoming Tone (DTMF) ANI: no Per Call CPN Blocking Code:
Connected to CO? n Per Call CPN Unblocking Code:
Ds1 Echo Cancellation? y
add ds1 2b08 Page 1 of 1 SPE B
DS1 CIRCUIT PACK
Location: 02B08 Name: Echo Cancel t23
Bit Rate: 2.048 Line Coding: hdb3
Signaling Mode: CAS
Interconnect: pbx Country Protocol: 1
Interface Companding: mulaw CRC? n
Idle Code: 11111111
Slip Detection? y Near-end CSU Type: other
Echo Cancellation? y
EC Direction: inward
EC Configuration: 1
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