We have a VG224 that after so many days it stops with dial tone to all of my fax machines.
Here is the version
ROM: System Bootstrap, Version 12.3(7r)T2, RELEASE SOFTWARE (fc1)
rcw-vg224-1 uptime is 15 minutes
System returned to ROM by power-on
System restarted at 17:24:28 UTC Tue Feb 5 2008
System image file is "slot0:vg224-i6s-mz.124-12.bin"
Cisco VG224 (R527x) processor (revision 4.1) with 119808K/11264K bytes of memory.
Processor board ID FHK1023F09S
R527x CPU at 225MHz, Implementation 40, Rev 3.1
1 On-Board Twenty-Four FXS Analog Voice Module V2.1
2 FastEthernet interfaces
DRAM configuration is 64 bits wide with parity disabled.
63K bytes of non-volatile configuration memory.
System fpga version is 250027
System readonly fpga version is 250025
Option for system fpga is 'system'.
62720K bytes of ATA Slot0 CompactFlash (Read/Write)
Configuration register is 0x2102
The only soultion I have to fix the problem is to reboot the vg224.