Parameter Reference Guide
Polycom, Inc.
87
Impedance
Phone port impedance setting. Choose
from (units in ohms if not specified):
•
600
•
900
•
270+(750||150 nF)
•
220+(820||120 nF)
•
370+(620||310 nF)
•
320+(1050||230 nF)
•
350+(1000||210 nF)
•
200+(680||100 nF)
•
600+2.16 uF
•
900+2.16 uF
•
600+1 uF
•
220+(820||115 nF)
600
DTMFPlaybackLevel
Out of band DTMF tone playback level in
dBm (–90 to 3).
–15
CallerIDMethod
Caller ID delivery standard. Choose from:
•
FSK(Bell202)
•
FSK(V.23)
•
DTMF(Finland,Sweden)
•
DTMF(Denmark)
FSK(Bell202)
CallerIDTrigger
Triggering event for on-hook Caller ID
signal generation. Choose from:
•
After First Ring
•
After Polarity Reversal
•
Before First Ring
After First Ring
ChannelTxGain
Transmit gain in dB (–12 to 12) to apply to
signal sent from the device to the attached
phone(s).
0
ChannelRxGain
Receive gain in dB (–12 to 12) to apply to
signal received by the device from the
attached phone(s).
0
Phone Port Parameter Guide
Parameter
Description
Default Setting
