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Author DTMF failure after IOS upgrades
STEVEN CASPER

2007-06-05, 7:11 am

Just upgraded my 2821 gateway routers to 12.4-13b and users on Nortel
PBXs using 500 type sets can not log into Unity. Nortel digital sets are
ok. The Nortels are connected to the gateways via MGCP controlled QSIG
PRIs. If I downgrade code back to 12.4-3b or 3g the 500 sets can log
into with no problem. Any advice or troubleshooting tips would be
appreciated.

Thanks,

Steve Casper
Voice Technologies
M&T Bank
(410) 347-6026

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Paul Choi

2007-06-05, 1:11 pm

I am also experiencing DTMF failure after an IOS
upgrade on a 2600 series gateway. I upgraded from 12.3
to 12.4 and now the trunk group pilot is kaput.
Strangely, the letter "D" gets sent to the router.
Even more strange is the fact that the upgrade from
12.3 to 12.4 fixed the letter "D" being sent to the
router whenever users would try to press "*". So
customer currently has a choice of don't let the
public call the primary commercial line or lack access
to voicemail remotely. ARGH!%!@$

Paul

--- STEVEN CASPER <SCASPER@mtb.com> wrote:

> Just upgraded my 2821 gateway routers to 12.4-13b
> and users on Nortel
> PBXs using 500 type sets can not log into Unity.
> Nortel digital sets are
> ok. The Nortels are connected to the gateways via
> MGCP controlled QSIG
> PRIs. If I downgrade code back to 12.4-3b or 3g the
> 500 sets can log
> into with no problem. Any advice or troubleshooting
> tips would be
> appreciated.





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