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NSTRUCTIONS
line at your location, be sure it provides you with the
following information. For future reference, write the
information in the blank spaces.
Table 1
ISDN Ordering Information by Switch Type
* Two directory numbers are required for Models 3C872 and 3C877. This allows a voice call and a
call using the internal analog fax modem to occur at the same time.
ISDN Switch Type:
(See Table 1)
___________________
Phone #1:
(Local ISDN Directory Number 1)
___________________
SPID #1:
(Service Profile Identifier Number 1)
___________________
Phone #2:
(Local ISDN Directory Number 2)
___________________
SPID #2:
(Service Profile Identifier Number 2) ___________________
ISDN Switch Type
ISDN Line
Configuration
Parameter
AT&T
5ESS
Custom
AT&T 5ESS
National
ISDN-1
Northern
Telecom
DMS100
National
ISDN-1
Siemens
EWSD
National
ISDN-1
Line Code 2B1Q (no NT1
required)
2B1Q (no NT1
required)
2B1Q (no NT1
required)
2B1Q (no NT1
required)
Directory
Numbers
1
*
1
*
2
1
*
Channels
2B alternate
circuit-switched
data and voice
2B alternate
circuit-switched
data and voice
2B alternate
circuit-switched
data and voice
2B alternate
circuit-switched
data and voice
Terminal Type A with
Point-to-Point
A with
Point-to-Point
Functional PVC 2 Functional
TEI Dynamic Dynamic Dynamic Dynamic
Call
Appearances
Idle Idle — —
Supplemental
Voice Features
None None None None
EKTS Features No No No No
D Channel
Packet
No No No No
B Channel
Packet
No No No No
09-0700-002 Page 2 Sunday, December 22, 1996 3:40 PM