[cisco-voip] VG224 (sccp)Audio Cutting out after 10 seconds

[Frank Arrasmith]

Hi All,
  having a weird issue on install of a new vg224 gateway.

Symptoms:
--What:Audio is cutting out after approximately Ten seconds. you hear dial
tone and within the ten seconds if you dial out, you will hear ring-back,
but after 10 seconds, the called party gets dead air and calling party is
talking to a loop on the line(you still have sidetone, but nothing else).
you can also hear a clunk sound(like the phone is going back on hook)

--Where: on every port that is provisioned with a number.  tried ports on
first/middle/last pairs
--When: after 10 seconds


Config is identical to another VG224
Routing is good.
IOS is vg224-i6k9s-mz.124-24.T5.bin, which we have had no issues with on
other vg224's
tried a different 66 block
tried a different 25 pair cable
Have not tried a different VG224, as we don't have any spares at the
moment.

Any thoughts?
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