Version 6.6 469 October 2014
Installation & Operation Manual 38. Configuring the PSTN Subsystem
Parameter Name Type
Provisioning
Type
Description
Framing Method
Type
Enum
Extended Super
Frame, Super
Frame, E1
Framing DDF, E1
Framing MFF
CRC4, E1
Framing MFF
CRC4 Ext, T1
Framing F4, T1
Framing F12, T1
Framing ESF, T1
Framing ESF
CRC6, T1 Framing
F72, T1 Framing
ESF CRC6 JT
Online Defines the trunk's framing method, that
should match the chosen Protocol Type.
Trace Level Type
Enum
Line Build-Out
Loss
Enum
0 db, 7.5 db, 15
db, 22.5 db
Instant Defines line build-out loss to be used for
this trunk.
Line Code Enum
B8ZS, AMI, HDB3
Instant
Use this parameter to select the line code
type to be used for this trunk.
B8ZS - use B8ZS line code (for T1 trunks
only).
AMI - use AMI line code.
HDB3 - use HDB3 line code (for E1 trunks
only).
B8ZS or AMI is used for T1 spans; HDB3
or AMI is used for E1 spans.
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