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3. Set value of gain referring to the following table, and press [Enter].
No
NoNo
No Item
ItemItem
Item Description
DescriptionDescription
Description
0SLI
SLI Specifies the call quality that transmits from TX to
RX of analog telephone.
1SLI
ATRK Specifies the call quality that transmits from TX of
analog telephone to RX of analog trunk.
2SLI
DTRK Specifies the call quality that transmits from TX of
analog telephone to RX of digital trunk.
3ATRK
SLI Specifies the call quality that transmits from TX of
analog trunk to RX of analog telephone.
4ATRK
ATRK Specifies the call quality that transmits from TX of
analog trunk to RX of analog trunk.
5ATRK
DTRK Specifies the call quality that transmits from TX of
analog trunk to RX of digital trunk.
6DTRK
SLI Specifies the call quality that transmits from TX of
digital trunk to RX of analog telephone.
7DTRK
ATRK Specifies the call quality that transmits from TX of
digital trunk to RX of analog trunk
8DTRK
DTRK Specifies the call quality that transmits from TX of
digital trunk to RX of digital trunk.
ATRK refers to LOOP and E&M, DTRK refers to VoIP and
E1/PRI, T1, and SLI refers to SLC.