Lucent Technologies MERLIN LEGEND Release 6.0 System Programming Manual page 637

MERLIN LEGEND Communications System Release 6.0
System Programming 555-660-111
4 Programming Procedures
PRI Facilities
The following rules apply to PRI tandem trunks in PBX or network mode:
A single unused B-channel group number is automatically assigned to all
23 B-channels on the trunk; B-channels may be removed or added (for
more information, see
still exist, even if it includes no B-channels.
PRI Dial Plan Routing does not apply for incoming calls on the trunk.
Incoming routing is automatically set to Route Directly to UDP for
B-channels in the automatically assigned group; this cannot be changed as
long as the Legend-PBX or Legend-NTWK switch type is in effect (see
"Incoming Routing" on page
be included in the UDP Routing table.
PRI outgoing tables do not apply to outgoing calls on the trunk.
The system automatically assigns Electronic Tandem Network (ETN) as
the network service for the B-channel group that is automatically assigned
to the PRI tandem trunk; this setting cannot be changed as long as the
switch type is in effect (see
The Copy Telephone Number to Send setting is set to Do Not Copy for the
PRI tandem trunk B-channel group; this setting cannot be changed as long
as the switch type is in effect (see
page
Summary: Switch Type
Programmable by
Mode
Idle Condition
Planning Form
Factory Setting
Valid Entries
Inspect
Copy Option
Console Procedure
PC Procedure
"B-Channel Groups" on page
4–185).
System Manager
Hybrid/PBX
Not required
Form 3b, Incoming Trunks: DS1 Connectivity (100D module)
4ESS
Not applicable
Yes
No
Æ È 
Specify switch type
Specify switch type
4–188). However, local extensions need not
"Network Service" on page
"Copy Telephone Number to Send" on
4

 Ç Ç
Type slot no.
Issue 1
February 1998
Page 4-167
4–172).The group can
4–178).
Dial slot no.