Polarity - Cisco ATA186-I2 Administrator's Manual

Analog telephone adaptor
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Chapter 5
Parameters and Defaults
Examples
The following examples are recommended values for the CallerID Method parameter:
Value Type
Bitmap
Default
0x00019e60
Voice Configuration Menu Access Code
316

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:
OL-4804-01
Bit 16—If this bit is enabled (it is enabled by default), send special character P (private) to CID
device if telephone number is restricted.
Bits 17-27 are reserved.
USA = 0x00019e60
Sweden = 0x006aff79 or 0x006aff61
Denmark = 0x0000fde1 or 0x033efde1
Germany = 0x00019e62
Austria = 0x00019e66
Bit 0: CALLER_CONNECT_POLARITY. Polarity to use when the Cisco ATA 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 Cisco ATA 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 Cisco ATA is the callee and the
call is connected.
0 =Use forward polarity (Default)
1 =Use reverse polarity
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for H.323 (version 3.0)
Telephone Configuration Parameters
5-39

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