[Asterisk-Users] Fun new problem with Aastra 390 ADSI phones

[Mike Reiling]

I would be interested to know what you find out.  I too have a CAC Bank 
and a 390 on its way.

Thanks,
Mike

On Friday, February 21, 2003, at 12:43  PM, asterisk at billheckel.com 
wrote:

> I seem to have discovered a problem with the Aastra 390 phones or 
> possibly with the channel banks I am using, Carrier Access Access bank 
> 1s.
>
> Users were complaining that when they answered an inbound call, 
> sometimes the phone would buzz and go dead on them.
>
> I tried playing with it a bit to see what might cause it and found 
> that if a user answers during the ring, the phone goes haywire, 
> buzzes, screen flashes, gets ugly.  The calling party hears an answer, 
> ringing stops but no connection.  After a time or 2, the phone won't 
> work at all on inbound calls and has to be replaced.
>
> How quickly after off hook should an FXO device drop ring voltage to 
> normal line voltage?  It might possibly be this but I really don't 
> think these CAC banks would be that far out of spec.
>
> Has anybody else seen this or do I have a bad batch?
>
> Bill
>
>
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--
Mike Reiling
Systems & Network Administrator
SoftCoin, Inc.
2000 Sierra Point Parkway
Brisbane, CA  94005
650-624-3869 - P
650-624-3899 - F

It might look like I'm doing nothing, but at the cellular level I'm 
really quite busy.