[cisco-voip] Cisco VG224 strange behavior

[Aleksandar]

Hi,

I have a VG224 that works fine for some time (around 1-2 weeks) but then
after some time some of the voice ports behave strange.
PORT           CODEC    VAD VTSP STATE            VPM STATE
============== ======== === ==================== ======================
2/2           -         -  -                     FXSLS_PARK
2/15          g711ulaw  n  S_SETUP_REQ_PROC      FXSLS_ONHOOK

and

Telephony call-legs: 2
SIP call-legs: 0
H323 call-legs: 0
Call agent controlled call-legs: 0
SCCP call-legs: 0
Multicast call-legs: 0
Total call-legs: 2
0    : 1752 1038924670ms.1 +-1 pid:0 Originate  connecting
 dur 00:00:00 tx:0/0 rx:0/0
 Tele 2/15 (1752) [2/15] tx:0/0/0ms None noise:0 acom:0  i/0:0/0 dBm

0    : 1756 1039060400ms.1 +-1 pid:0 Originate  connecting
 dur 00:00:00 tx:0/0 rx:0/0
 Tele 2/15 (1756) [2/15] tx:0/0/0ms None noise:0 acom:0  i/0:0/0 dBm

Telephony call-legs: 2
SIP call-legs: 0
H323 call-legs: 0
Call agent controlled call-legs: 0
SCCP call-legs: 0
Multicast call-legs: 0
Total call-legs: 2

even though no call is active or trying to connect.
It's connected to CUCM 7.0(2) with SCCP, running IOS 12.4(25a) (did try
actually a few of them but the problem persists). After a restart everything
works fine for, again a random period of days (1-2 week) and then fails
again. VG224 replaced a few ATA186 which didn't experience any problems
whatsoever. I have no ideas where to look next?

I have another VG224 (running same IOS on the same CUCM, same configuration)
on another location which works fine for the last 6 moths.

Best regards
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