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Chapter 6 Setting up the private VoIP network 67
SRG50 Configuration Guide
Basic parameters
The table Basic parameters on page 67 provides a record of basic parameters that are significant
for SRG operation. Typically, these parameters are specified as part of BCM50 foundation
activities; in most cases, their configuration is not covered in the SRG50 Configuration Guide.
Table 15 Basic parameters (Sheet 1 of 2)
Parameter Value Context
DN length Configured as part of BCM50 foundation configuration.
There are four DN lengths to consider.
1. Configuration > Telephony > Dialing Plan > General > Dialing
Plan - General panel > Global Settings subpanel > DN length
(intercom) field
This is the internal DN length. That is, the length of DNs for calls
between telephones on the SRG.
2. Configuration > Telephony > Dialing Plan > Public Network >
Dialing Plan - Public Network panel> Public Network Settings
subpanel > Public Received number length field
For calls originating from the PSTN, this establishes the number of
digits the SRG retains.
3. Configuration > Telephony > Dialing Plan > Private
Network > Dialing Plan - Private Network panel > Private
Network Settings subpanel > Private Received number length field
For calls originating from a private network, this establishes the
number of digits the SRG retains.
4. Configuration > Telephony > Dialing Plan > Private
Network > Dialing Plan - Private Network panel > Private
Network Settings subpanel > Private DN length field
Used for DPNSS applications only. See the Networking
Configuration Guide (NN40020-603).
DN range Configured as part of BCM50 foundation configuration.
DN range of the SRG is set by the hardware configuration and
keycodes. Actual numbering is contiguous from the Start DN:
Administration > Utilities > Reset > Reset panel > Cold Reset
Telephony Services button > Cold Reset Telephony dialog box >
Start DN field
Destination code
for VoIP trunks
Configured for advanced routing. See Outgoing calls configuration
on page 74
VoIP destination code = VOIP Trunk Access Code* = AC1**
* VOIP Trunk Access Code is entered on the main office settings
panel. See the server-specific chapters for details.
** For a UDP dialing plan, AC1 is the access code in the digit string
<AC1> <LOC> <DN>.
SRG IP address Configured as part of BCM50 foundation configuration.
Configuration > System > IP Subsystem > IP Subsystem panel >
General Settings tab > IP Settings details subpanel