Multitech MULTIVOIP MVP-810ST User's Guide download pdf (Page 116)

Phone Book Configuration MultiVOIP FX User Guide

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To call the Minneapolis/St. Paul area, a Baltimore employee must dial eleven digits. (In this case, we are

assuming that the Baltimore PBX does not require an “8” or “9” to seize an outside phone line.)

If a Baltimore employee dials any phone number in the 612 area code, the call will automatically be handled

by the company’s voip system. Upon receiving such a call, the Minneapolis voip will remove the digits

“1612”. But before the suburban-Minneapolis voip can complete the call to the PSTN of the Minneapolis

local calling area, it must dial “9” (to get an outside line from the PBX) and then a comma (which denotes a

pause to get a PSTN dial tone) and then the 10-digit phone number which includes the area code (612 for

the city of Minneapolis; which is different than the area code of the suburb where the PBX is actually

located -- 763).

A similar sequence of events occurs when the Baltimore employee calls number in the 651 and 952 area

codes because number in both of these area codes are local calls in the Minneapolis/St. Paul area.

The simplest case is a call from Baltimore to a phone within the Minneapolis/St. Paul area code where the

company’s voip and PBX are located, namely 763. In that case, that local voip removes 1763 and dials 9 to

direct the call to its local 7-digit PSTN.

Finally, consider the longest entry in the Minneapolis Inbound Phonebook, “17637175. Note that the main

phone number of the Minneapolis PBX is 763-717-5170. The destination pattern 17637175 means that all

calls to Minneapolis employees will stay within the suburban Minneapolis PBX and will not reach or be

carried on the local PSTN.

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Multitech MULTIVOIP MVP-810ST User's Guide Page 116