H3C Technologies H3C MSR 5600 - Manual (Page 62)

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Configuring voice entities
Overview
Voice entities include POTS and VoIP entities:
• POTS entity—A local POTS entity connects to a local telephone and maintains local number
information. A trunk POTS entity connects to the PSTN and maintains call destination information.
• VoIP entity—Connects to the IP side and maintains the called information such as the called
number and call destination.. A VoIP entity can use SIP to make VoIP calls.
Figure 23 Voice entities
Configuring a POTS entity
This section covers the procedures for creating and configuring a POTS entity.
Configuration task list
To configure a POTS entity, perform the following tasks:
Tasks at a glance
(Required.) Creating a POTS entity and configuring basic parameters
(Optional.) Configuring codecs for a POTS entity
(Optional.) Configuring a POTS entity to register with the registrar
(Optional.) Configuring DTMF for a POTS entity
(Optional.) Enabling VAD for a POTS entity
(Optional.) Configuring options related to dial program
PSTN
Router A Router B
POTS entity VoIP entity
IP
PBX
Local POTS
entity Trunk POTS entity