[asterisk-users] Re: PSTN Calls from SI.P: buzzing and pops

[Tzafrir Cohen]

On Fri, Feb 16, 2007 at 04:00:36AM -0500, Allen Casteran wrote:
> Tzafrir Cohen wrote:
> >On Fri, Feb 16, 2007 at 03:27:15AM -0500, Allen Casteran wrote:
> >
> >>As a follow up test, I unplugged line 1 from the Astibank and connected 
> >>it to a butt set. Placed a call into my own office and listened to 10 
> >>minutes of voice mail. Clean sound. No crackles or buzzing.
> >>
> >>Reconnect the CO line to the Astribank and place same call to my office.
> >>Listen to voicemail and hear 3 pops, buzzes in 2-3 minutes.
> >
> >
> >uname -r
> 2.6.9-42.0.8.ELsmp
> 
> >cat /proc/xpp/sync
> 
> # To modify sync source write into this file:
> #     HOST        - For host based sync
> #     0 0         - XBUS-0/XPD-0 provide sync
> #     m n         - XBUS-m/XPD-n provide sync
> HOST
> tick: #6109170
> tick rate: 1000/second (SAMPLE_TICKS=10000)

Any change if you run:

  echo 0 0 >/proc/xpp/sync

(or maybe instead of 0: the number of your FXO unit).


-- 
               Tzafrir Cohen       
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http://www.xorcom.com  iax:guest at local.xorcom.com/tzafrir