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BCM 4.0 Networking Configuration Guide
Chapter 24
Dialing plans
The BCM allows for flexible dialing plans using access codes, destination codes, PSTN trunks and
private network trunks that provide multiple options for customizing the dialing options to meet
each customers unique requirements. Refer to “Outgoing call routing” on page 258.
While the BCM can be plugged in and used immediately, it is recommended that you plan and
execute the appropriate dialing plan.
The dialing plan includes:
• the dialing plans that govern the expected dialing strings on a private network
• the allowed dial strings on a public network
• the access and destination codes that get dialed out as part of the dialing string
• access codes that identify a call type on incoming MCDN calls
These topics are discussed under the following sections:
• “Creating dialing plans” on page 253
• “Public and Private Received numbers” on page 256
• “Private network dialing” on page 257
• “Setting up public network dialing” on page 257
• “Outgoing call routing” on page 258
• “Incoming call routing” on page 260
• “Determining line access dialing” on page 264
• “Understanding access codes” on page 265
• “Line pool access codes” on page 269
• “Using Carrier codes” on page 270
• “Configuring call routing” on page 270
• “Configuring Call-by-Call services” on page 271
• “Using destination codes” on page 275
• “Setting up VoIP trunks for fallback” on page 280
Also refer to the section about call security which deals with defining restriction filters for
outgoing calls and remote access packages for incoming calls. This section also discusses Class of
Service (CoS) passwords, which can be used when you allow users to access the system features
over public connections. Refer to “Call security and remote access” on page 447.
Creating dialing plans
Dialing plans allow users to access the public network, to make calls, and to answer dial strings.
Access to and from and within your system is based on dialing strings and how the system adds or
deletes digits from this sequence to route the call.
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