IP Server 900 Programming Manual Function 3: Station programming
F.36
Only the extension/mailbox number will be changed with this function. The following parameters also will
be changed if the extensions or mailboxes being changed are assigned in these functions:
• Ring assignments and private line (Function 21)
• Extension call-forward busy/no answer (Function 31)
• Extension features (Function 32)
• Department features (Function 33)
• Programmable feature keys on other station
(Function 35 and user programming function 2)
• Auto attendant GoTo extension/mailbox branches
(Function 41)
• Guest mailbox features (Function 53)
• Group mailbox members (Function 54)
• Recorded directory names (Function 62)
• Esi-Link published list (Function 834)
Warning: This function can take up to 30 minutes to complete, depending on the number of stations reassigned.
Function 342: Network number assignment
Important: ESI recommends programming Function 341 (see page F.35) before Function 342.
Overview
Esi-Link network numbering provides “transparent” or uniform dialing across Esi-Link, where, regardless
of which location a user is dialing from, he or she can dial just the extension number (three- or four-digit),
and the call will be routed appropriately through the Esi-Link network. In essence, it’s not necessary to dial
the location number (i.e., 7xx) for the remote cabinet.
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The network numbering feature provides:
• The ability to dial either a unique three-digit number (when all sites are using three-digit numbering) or
four-digit number (when all sites are using four-digit numbering) to reach an extension, mailbox, or
department at a remote location — as opposed to dialing the remote cabinet prefix (7xx) plus the
number for the extension or department.
• The flexibility of assigning any range of three- or four-digit dialed numbers to resources at other
Esi-Link locations. These ranges are currently confined to 100–499 (three-digit plan) and 1000–6999
(four-digit plan). This means a station user on a compatible Esi-Link network using a four-digit network
dialing plan can reach over 2,900 remote location extensions, mailboxes, and departments over the
Esi-Link network, by dialing only four digits each time.
Note: If needed, a user may still dial the cabinet location prefix combined with the extension or mailbox
number to reach remote locations on networks that exceed the maximum number of 2,900.
• The flexibility of having four-digit dialed numbers that are local-only resources — meaning that they
can be reached by only stations, CO lines, branch IDs, etc., at that location. Example of such
resources include door phones, lobby phones, special purpose mailboxes, and ring assignments.
Important: An extension, mailbox, or department number must be unique in the Esi-Link network before it can
be assigned a network (i.e., abbreviated) number.
For instance, location 701 may have a door phone with extension 3456 and location 702 will also
have a door phone extension 3456. Neither one of these extensions can be dialed from a remote site
by dialing only 4 digits. However, they can still be reached by dialing via the traditional Esi-Link
method (dialing the location number prefix first).
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Three- or four-digit Esi-Link dialing is available on only the IP Server 900 or ESI Communication Servers running compatible software. Station users
on legacy systems, including ESI Communications Servers running system software not compatible with network numbering, must still dial the
cabinet location number to call a remote location.
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