ATA question

Unanswered Question
Jul 25th, 2007
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Does the Cisco ATA support two independant lines? I know that it has two analog ports, but my impression from the Cisco product information page is that only the 188 will support two separate lines and not the 186.


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alessandro.dona Thu, 07/26/2007 - 01:07
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I think both support two separate lines.

In ata 186 line 1 is associated to the mac address of the ata (i.e aaaabbbbcccc)

Line 2 is asscociated to a fake mac address


shikamarunara Thu, 08/02/2007 - 12:07
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No, actually I think that is incorrect. The second mac address will lost its two leading zeros and an 01 is added at the end.


j.huizinga Fri, 08/03/2007 - 01:02
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One thing to remember with ATA

Only one port supports G711 and G729

The other port only supports G711

You can configure this, but default port 1 supports both codecs and port 2 only G711

Very annoying when you what to terminate VOIP g729 calls to port 2



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