Multi-Tech Systems E1 - Manual (Page 189)

MultiVOIP User Guide T1 PhoneBook Configuration
189
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.
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
...