Samsung SMG-3200 - Manual (Page 113)

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3. Set value of gain referring to the following table, and press [Enter].
No No No No Item Item Item Item Description Description Description Description
0 SLI ➔ SLI
Specifies the call quality that transmits from TX to
RX of analog telephone.
1 SLI ➔ ATRK
Specifies the call quality that transmits from TX of
analog telephone to RX of analog trunk.
2 SLI ➔ DTRK
Specifies the call quality that transmits from TX of
analog telephone to RX of digital trunk.
3 ATRK ➔ SLI
Specifies the call quality that transmits from TX of
analog trunk to RX of analog telephone.
4 ATRK ➔ ATRK
Specifies the call quality that transmits from TX of
analog trunk to RX of analog trunk.
5 ATRK ➔ DTRK
Specifies the call quality that transmits from TX of
analog trunk to RX of digital trunk.
6 DTRK ➔ SLI
Specifies the call quality that transmits from TX of
digital trunk to RX of analog telephone.
7 DTRK ➔ ATRK
Specifies the call quality that transmits from TX of
digital trunk to RX of analog trunk
8 DTRK ➔ 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.