[Asterisk-Users] How to fix a Blue Alarm?? Line Noise?

Geoff Manning gmanning at zoom.com
Mon Aug 15 08:47:53 MST 2005


> A red alarm means "I don't see any signal".  A blue alarm means "I
> see a signal and something downstream (repeater etc) is saying they
> don't see 
> a signal".
> 
> I used this as my reference:
> http://www.fratec.com/FAQ/NFO/NFO_WAN_009.HTML
> 
> 
> Slips sometimes cause an LOF condition, sometimes they don't.  At
> least when I worked NorTel DMS250 switches back in the 80's that's
> the way it was. 
> 
> Thanks for making me stretch my mind!

So I had an old Digium wildcard sitting around that I put inplace of the new
TE110P and the Blue Alarms seem to have cleared. There are still SLIP errors
and the call quality still sounds bad compared to the SIP only calls.



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