B1 Extension Number Method
64 Getting Started
Dialing Examples
With the extension number method, the caller dials only the destination number of the called
party to call through PBXs at different locations.
Calling from Los Angeles to Chicago
To extension 301 via VoIP network
To local telephone 123-4567 via VoIP network through local PSTN
Calling from Chicago to Los Angeles
To extension 201 via VoIP network
To local telephone 456-7890 via VoIP network through local PSTN
PBX Connection Information
Los Angeles Office Chicago Office
Extensions FAX
Extensions
PSTN
Access
Extensions FAX
Extensions
PSTN
Access
Leading
Number
25923693
Remaining
Digits
2 272 27
Card IP
Address
200.45.11.35 199.176.64.41
Dial 301.
extension no.
Dial 93.Dial 802. Dial 123-4567.
VoIP Gateway
trunk (CO line) access no.
phone no.
Chicago PBX
PSTN trunk (CO line) no.
Dial 201.
extension no.
Dial 92.Dial 803. Dial 456-7890.
VoIP Gateway
trunk (CO line) access no.
phone no.
Los Angeles PBX
PSTN trunk (CO line) no.
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