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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
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Chapter5 Parameters and Defa ults
Operating Parameters
Default
0x00000000
Voice Configuration Menu Access Code
317
Polarity
Description
You can control line polarity of the Cisco ATA FXS ports when a call is connected or disconnected by
configuring the Polarity bitmap parameter as follows:
•Bit 0: CALLER_CONNECT_POLARITY. Polarity to use when the CiscoATA is the caller and the
call is connected.
–
0 =Use forward polarity (Default)
–
1 =Use reverse polarity
•Bit 1: CALLER_DISCONNECT_POLARITY. Polarity to use when the CiscoATA is the caller and
the call is disconnected.
–
0 =Use forward polarity (Default)
–
1 =Use reverse polarity
•Bit 2: CALLEE_CONNECT_POLARITY. Polarity to use when the CiscoATA is the callee and the
call is connected.
–
0 =Use forward polarity (Default)
–
1 =Use reverse polarity
•Bit 3: CALLEE_DISCONNECT_POLARITY. Polarity to use when the CiscoATA is the callee and
the call is disconnected.
–
0 =Use forward polarity (Default)
–
1 =Use reverse polarity
Note Bits 4-31 are reserved.
Value Type
Bitmap
Default
0x00000000
Voice Configuration Menu Access Code
304