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Disconnect supervision for ATA188

Don't see an option to activate disconnect supervision on an ATA188. We need to drop loop current(preferred), provide battery reversal, or provide dial tone when the calling party hangs up. Any ideas, aside from moving up to a VG248?

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Re: Disconnect supervision for ATA188

This feature was introduced to the ATA-180 Series in 2.16. They do this with battery reversal. I use this often for integration with paging systems:

http://www.cisco.com/univercd/cc/td/doc/product/voice/ata/atarn/atarn16m.htm#133038

Have fun.

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