Chapter5–ConfiguringthePhoneBook
MultiVOIP®Voice/FaxoverIPGateways 97
ThefigurethatfollowsshowsOutboundPhonebookentriesfortheVOIPlocatedinthecompany’sBaltimore
facility.
TheentriesintheMinneapolisVOIP’sInboundPhonebookmatchtheOutboundPhonebookentriesofthe
BaltimoreVOIP,asshownbelow.
TocalltheMinneapolis/St.Paularea,aBaltimoreemployeemustdialelevendigits.
Thisassumesthatthe
BaltimorePBXdoesnotrequirean8or9toseizeanoutsidephoneline.
IfaBaltimoreemployeedialsanyphonenumberinthe612areacode,thecompany’sVOIPsystemautomatically
handlesthecall.Whenreceivingthecall,theMinneapolisVOIPremovesthedigits
1612.Butbeforethe
suburban‐MinneapolisVOIPcancompletethecalltothePSTNoftheMinneapolislocalcallingarea,itmustdial
“9”(togetanoutsidelinefromthePBX)andthenacomma (whichdenotesapausetogetaPSTNdialtone)and
thenthe10‐digit
phonenumberwhichincludestheareacode(612forthecityofMinneapolis;whichisdifferent
thantheareacodeofthesuburbwherethePBXisactuallylocated‐‐763).
SimilareventsoccurwhentheBaltimoreemployeecalls numbersinthe651and952areacodesbecause
numbersinthese
areacodesarelocalcallsintheMinneapolis/St.Paularea.