Instruction manual

Virtual Facilities
If the VF is used in the first position of a routing pattern, calls may queue on it if all of the
routes are busy.
Whenever a VF is used to complete a call (either by dial access or through ARS), call
processing treats the number as a physical facility for Station Message Detail Recording
(SMDR) purposes.
Thus, if VF code #190 is used to complete a call, the SMDR call record
will show “#190” as the facility used.
A VFN may contain up to 28 characters. The pound sign (#) is used as an escape character
within the digit string and indicates that the character following the pound sign requires
special interpretation.
The following table defines the special characters that may be
included in a VFN.
CHARACTER FUNCTION
✶
1.5 second pause
# ✶
Transmit ✶
# # Transmit #
# 5 Insert dialed digits (destination telephone
number) here. The destination telephone
number may be up to 16 digits in length
(21 if ARS digit translations have
occurred).
If #5 is used, it must be placed within the
last nine digits of the VFN. If #5 is not
used within a VFN, the dialed digits are
appended to the end of the VFN.
# 8
Begin transmission of End-to-End
Signaling (system begins transmitting
touch-tone signals to the far end switch).
Examples of Virtual Facility Numbers
The use of VFS can be demonstrated with the following examples:
● Example 1: VF Code = #191, VFN = 100 10288
—
The first three digits (100) represent the FAC for a CO trunk group.
—
10288 represents an access code for a non-primary IXC.
—
The destination telephone number (dialed by the user) will be transmitted
after this IXC access code, since “#5” was not used within the VF number.
● Example 2:
VF Code = #193, VFN = 221 9 ✶ 555 4343 ✶ # 5 # ✶ 12345
●
The first three digits (221) represent the FAC for a tie trunk to a remote PBX.
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