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T1 Phonebook Configuration MultiVOIP User Guide
222
T1 Phonebook Examples
The following example demonstrates how Outbound and Inbound
PhoneBook entries work in a situation of multiple area codes. Consider
a company with offices in Minneapolis and Baltimore. The system
depicted is H.323. However, the phonebook entries presented are still
applicable for SIP systems.
3 Sites, All-T1 Example
Notice first the area code situation in those two cities: Minneapolis’s
local calling area consists of multiple adjacent area codes; Baltimore’s
local calling area consists of a base area code plus an overlay area code.
Mpls
612
NW
Suburbs
763
St. Paul
& Suburbs
651
SW Suburbs
952
5
Company
VOIP/PBX
SIte
5
Baltimore
410
Baltimore/
Outstate MD
Overlay
443
Company
VOIP/PBX
SIte
...