Cisco ATA-186 Administration Guide - Page 99
Polarity
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Chapter 5 Parameters and Defaults 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 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 • Bit 3: CALLEE_DISCONNECT_POLARITY. Polarity to use when the Cisco ATA 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 OL-3410-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (SIP) 5-27