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Old 06-09-2014, 05:59 AM
laburu laburu is offline
Join Date: Sep 2010
Posts: 29
laburu has 12 reputation points

IPO will try to find a target for the call and that is why you keep hearing ringing tone.
Make sure there is no loop with the forwarding A->B->C->A

Sys Mon, targetting (in blue) can give you an idea of what is happening
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