Filter
Top Products
DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1490Single-Digit Dialing and Mixed Station Numbering
20
When using prefixed extension numbers, it is not necessary to include an entry for
the "real" extension number in the dial plan. The server is able to complete a call
using the prefixed extension number. When dialing 7345 (where 7 is the prefix),
the communications server will ring extension 345.
When using a dial plan like the one above, which includes both prefixed and
non-prefixed extensions, dialing 567 instead of 4567 will ring an administrative
extension instead of a room.
The dialing delays, which may not be perceived by hotel guests, will occur when
dialing 6 and 7. The server must wait for the 3- to 9-second interdigit timeout to
expire before the call will be sent. The user can preempt the timer by pressing the
# key after the number has been dialed.
NOTE:
When using prefixed extensions, the extension that shows up on a
display phone does not show the prefix. The prefix will not show up
on CDR reports. If extension number 3315 is prefixed with a 6 and
the dial plan shows 3xxx for extensions, it is possible to dial either
3315 or 63315 to reach extension 3315. If the dial plan was changed
to remove the entry for extensions in the 3xxx block, then 3315 could
be reached only by dialing 63315.
Considerations
■ Mixed Station Numbering allows guest room numbers and room extensions
to be the same.
■ You cannot assign prefixed extensions longer than five digits (including
prefix) to intercom lists.
■ A trunk access code (TAC) and an extension can share a first digit only if
the extension is shorter than the TAC.
■ Although extensions with the same first digit can have different lengths,
data-channel extensions must have the maximum number of digits to avoid
timeout problems for data calls that the switch automatically sets up, for
example, via the Call Detail Recording (CDR) link.
■ An extension and a FAC can share the same first digit only if the extension
is longer as long as they are not used for Automatic Alternate
Routing/Automatic Route Selection (AAR/ARS) faxes. These extensions
work only within the switch; they do not work as remote uniform dialing
plan (UDP) extensions.
■ You should administer the Short Interdigit Timeout on the Feature-Related
System Parameters screen to ensure that the delay between the end of
dialing and call completion is not too long.