Phonebook Example MultiVOIP FX Quick Start Guide
36
Phonebook Example
Flagstaff Office
204.16.49.75
2-Channel
Analog VoIP
(MVPFX2-2)
PSTN
PBX System.
Main Number:
777-5600
10 extensions
Area: 520
Santa Fe Office
PBX System.
Main Number:
444-3200
20 extensions
PSTN
204.16.49.74
4-Channel
Analog VoIP
(MVPFX2-4)
Area: 505
PBX System.
Main Number:
333-2700
204.16.49.73
8-Channel
VoIP
(MVPFX2-8)
PSTN
Boise Office
Area: 208
40 extensions
IP
Network
Each Outbound Phonebookcon tai ns tw o
pairs of entries, two entries for each
remo te si te. W hen ever an o ut -of -to wn
empl oy ee di al s a 12-d igi t n um ber
beginning wi th the listed 5-digi t
destination pattern (9+1+area code) of
anoth er com pan y lo cati on, t he PBX
hands the call to the voip system. The
local voip strips off the “9” and directs
the cal l to t he I P add ress o f t he rem ot e
voip. The remote voip receives the call
and hands it to it s PBX. The PBX then
completes the call to the PSTN.
The on e-d ig it Outbounddestination
patterns pertain to 3-digit calling
betw een c omp any em pl oy ees.
Inbound Phonebook
One Common Situation
Voi p Exampl e. This company has offices in three
di ff eren t ci ti es. Th e PBX u ni ts al l o per ate a li ke.
Notably, they all give access to outside lines using
“9.” They all are ‘smart’ enough to identify voip calls
without using a special access digit (“8” is used in
some sy stem s). Fi nal l y, th e syst em o per ates so th at
empl oy ees in any o ff ice can di al em pl oy ees in any
other office using only t hree digits. Here are the
pho nebo oks n eeded fo r t hat sy st em.
EachInbound Phonebook contai ns
two entries. The first entry (4 digits)
specifies how incoming calls from the
other vo ip sit es w il l be han dl ed i f
they go out onto t he local PSTN.
Essentially, all those calls come to the
receiving voip with a pattern
beginning with 1+area code. The local
voip removes those four digits
because t hey ar en’ t n eeded w hen
dialing locally. The local voip
attaches a “ 9” at th e begi nni ng of t he
numb er t o get an ou tsid e li ne. The
PBX then completes the call to the
PSTN.
The secondInbound Phonebo ok en tr y
(1 digit) is for receiving calls from
comp any emp lo yees i n t he o th er t w o
cities. The out-of-town emp loyee
simp ly di als 3 d ig it s. Th e fi rst of t he
three digits is uniquely used at each
site an d so acts as a dest i nat io n
patter n ( Boise ex ten sion s are 7x x,
Santa Fe exten sio ns 2xx , Flag staf f
extensions 6xx).
The local voip sees the pattern in its
inbound phone book and not es the
first digit (here either 2, 5, or 6).
To make the match, this first digit,
three-digit number.
specific extension identified by the
PBX. The PBX can then dial the
voip will send all three digits to the
added b ack on ce again so th at th e
field. This first digit must then be
2, 5, or 6 is pu t i n th e “Rem ove Pref ix”