Panasonic KX-TDA0480 Installation Manual page 94

Logical Installation
AGC
To enable the unit's Automatic Gain Control, check the AGC check box and configure the AGC
sensitivity using the scroll box to change the AGC dB value.
It is recommended that the PAD In value be set to 0 dBm when using this feature.
Protocol Type
Set a type of the ISDN Layer 3 signal protocol, or a call control signal. Only QSIG is supported.
DTMF transfer signal pattern
Set DTMF signalling method: Auto, Alphanumeric, Signal.
Complete the fields listed above for each active port on the unit.
• If a port on the unit is inactive, select the port in the Port parameters list and click on the
Clear button to logically disable the port.
• If this is not done, calls can be lost because they are erroneously routed to an inactive port.
94 Installation Manual