$$$ Question about T1 CAS configuration?

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Feb 15th, 2009
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Hello,

When we want to choose the signaling at the T1 CAS we find that:


Router(config-controller)#ds0-group ds0-group-number timeslots

timeslot-list [service service-type] type {e&m-fgb | e&m-fgd | e&mimmediate-

start | fgd-eana | fgd-os | fxs-ground-start | fxs-loop-start

| none | r1-itu | r1-modified | r1-turkey}


My question here is : what is the meaning of fxs-loop-start and fxs-ground-start and fxo-loop-start and fxo-ground-start ?


Thanks....

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titomontos Sun, 02/15/2009 - 12:30
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is this mean that each channel at T1 will act as fxo or fxs with analog signaling ground start and loop start?

paolo bevilacqua Sun, 02/15/2009 - 12:34
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Yes. The A/B bits mimics hook status and ring current.

titomontos Sun, 02/15/2009 - 13:53
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Thanks,


But there is a problem that fxo don't support DID also the fxs ( fxs must be FXS DID)?


What is the solution?


paolo bevilacqua Sun, 02/15/2009 - 14:14
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To use e&m for did, pri for did and ani.

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