Configuring Dial Plans; Overview; Dial Plan Process - HP FlexNetwork MSR Series Configuration Manual

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Configuring dial plans

Overview

More requirements on dial plans arise with the wide application of VoIP. A desired dial plan should be
flexible, reasonable and operable, and be able to help a voice gateway manage numbers in a unified
way, making number management more convenient and reasonable.
The dial plan process on the calling side differs from that on the called side. The following discusses
these two dial plan processes.

Dial plan process

On the calling side
Figure 26
shows the dial plan operation process on the calling side.
Figure 26 Flow chart for dial plan operation process on the calling side
1.
The voice gateway on the calling side replaces the calling and called numbers according to the
number substitution rule on the receiving line.
2.
The voice gateway performs global number substitution.
3.
The gateway selects a proper voice entity based on the voice entity selection priority rules and
replaces the calling and called numbers.
4.
The gateway initiates a call to the called side and sends the calling and called numbers.
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