Version 6.6 459 October 2014
Installation & Operation Manual 38. Configuring the PSTN Subsystem
38 Configuring the PSTN Subsystem
The Mediant 8000 provides the following functionality that is used for connecting it to
the Public Switch Telephony Network (PSTN) and is described in this chapter below.
Physical PSTN interfaces:
• STM-1/OC-3
• T3 Interfaces
• E1/T1 Trunks
Channel Status screen
PSTN Clock Synchronization
SS7 Subsystem (for M2UA and M3UA applications)
ISDN Subsystem (for IUA and DUA applications)
38.1 Configuring Media Gateway Board’s PSTN
Settings
The basic PSTN subsystem configuration is performed for each Media Gateway board
as described below.
To configure Media Gateway Board’s PSTN Settings:
1. Click
to access the Media Gateway status screen.
2. Select the specific Media Gateway board.
3. In the Navigation pane, select PSTN and then in the configuration pane, click
PSTN Settings; the PSTN Settings screen is displayed.
4. Configure Media Gateway board’s PSTN parameters according to the table
‘Media Gateway board’s PSTN Parameters’ below.
Table
38-1: Media Gateway Board’s PSTN Parameters
Parameter Name Type
Provisioning
Type
Description
Trunks In Board Integer
0 – 84
Read-Only Indicates the number of E1/T1 trunks
available in the Media Gateway board.
None Mode Clk
Source
Enum
Internal, PSTN,
ATM
Online Defines the PSTN clock source for ‘Stand
Alone Board Clock Mode’.
See 'Standalone Sync Clock Mode' on
page 516 for detailed information.
PCM Law Enum
None, A-Law,
Reserved, Mu-
Law
Online Defines the PCM Law algorithm (as per
CCITT G.711). Mu-Law PCM is used in
North America and Japan, and A-Law is
used in most other countries.
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