User manual
Appendix A. Dial Plan Interface Configuration
61200314L1-1 Dual T1/PRI Module User Manual A-3
ISDN-N
ATIONAL
A
S
D
IALED
Sends the digits provided as National number type.
S
TRIP
MSD
Write security: 3; Read security: 5
Strips a selected quantity(choose from N
ONE
, 1, 2,and3)oftheMostSignif-
icant Digits (MSD) of a dialed number prior to being forwarded out of the
port.
E
XAMPLE
:
A network port could be set to accept all calls beginning with 9 (9$), and
then with S
TRIP
MSD set to1, all digits would be sent toward the network
except the leading 9.
N
ETWORK
S
PECIFIC
F
ACILITY
V
OICE
AND
D
ATA
Write security: 3; Read security: 5
Enables the sending of appropriate information to the PSTN. The default
for this option is N
ORMAL
, and in this case no Network Specific Facility
Information Element is sent. Unless one of the services listed below is sub-
scribed to, the selection should remain set to N
ORMAL
.
The list below indicates services that may be subscribed to from the PSTN.
These servicesrequire that specific information (such as aNetwork Specific
Facility Information Element) be sent to the network during call setup.
C
ALLED
D
IGITS
T
RANSFERRED
Write security: 3; Read security: 5
Some PRI switches may be provisioned to send only a portion of the called
number (like DID). This menu item allows the ATLAS 550 to know how
many digits to expect (choose from N
ONE
, T
HREE
, F
OUR
, S
EVEN
,andA
LL
).
When S
WITCH
T
YPE
is set to 4ESS, many installations require the
National form where possible; this may also be the preferred form in
10-digit calling areas.
S
TRIP
MSD does not affect C
ALL
A
CCEPT
criteria. All of the digits
(including the MSDs that are subsequently stripped) are used as
accept criterion.
•AT&TSDN •NationalISDNINWATS
• AT&T Megacom 800 • Nortel Private Network
– AT&T Megacom • Nortel InWats
– AT&T Accunet • Nortel OutWats
• AT&T Long Distance • Nortel Foreign Exchange
•AT&TInternational-800 •NortelTieTrunk
• AT&T Dial-It 900/Multiquest