
Chapter 24 Dialing plans 255
BCM 4.0 Networking Configuration Guide
Calls coming in over private networks or PRI/BRI termination target lines can be set up for each
telephone or group of telephones to which the calls are directed. As with other incoming calls,
these calls can have a public or private call type that matches to a public or private received
number assigned to a target line.
Outgoing calls: Other network codes include the information about public dialing codes that you
enter. To access the codes select Configuration > Telephony > Dialing Plan > Public Networks.
The public dialing plan defines which dialing string prefixes are allowed over the public PSTN
lines. By defining these dial strings and the length of the prefix, the central office can direct the
calls to the correct public destination.
For private networks, if you are not using routing and destination codes, you need to identify an
access code that indicates an incoming call is destined for the private network.
MCDN special call types: If your system is networked to other types of systems, such as
Meridian 1, which sends calls through one or more BCM systems to the public network, you need
to specify specific call-type codes. These codes append to the incoming dial string, so that the
call-type remains intact as it passes through the BCM call processing:
Variable Example or default settings
Private network ID Number that identifies the system as part of the private network
Location code UDP networks
Private DN length DPNSS systems only
Variable Example or default settings
Private received number <CDP: same as DN of telephone>
<UDP: LOC code + DN>
Public received number <North America: 10 digits XXX-XXX-XXXX, the trailing digits are the DN>
<DPNSS: maximum number of digits in local dialing pattern>
Variable Example or default settings
Public DN lengths (prefixes) Public dialing table
Variable Example or default settings
Private Access Code 6
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