XP never crashes on my machine 16884

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None of the major NEPs-manufacturers are offering IVR on Windows, and I'm not sure that even minor ones do it very much. vxworks is more popular, with Sun boxes for carrier-sized devices. The big growth area of the

The key issue with carrier-grade apps and devices is around OA&M, which means things like full remote access, patches-upgrades without reboots, ability to shut-off anything not required, snmp agents, and then suitable middleware which provides n:m clustering, automatic failover without disrupting sessions, ability to handle n x 100,000 simultaneous sessions, five to six nines availability, and integration with web-based systems (parlay-x, built-in web servers).

OP mentions above that a power outage knocked out an IVR box. Clearly, he's working in an SME environment, because even MSCs use power backup-UPS, and for telcos it's an absolute requirement.

Carrier-grade linux is cheaper, too, and helps prevent vendor lock-in.

-- end Mark Kent -- mark at ellandroad dot demon dot co dot uk "Nine years of ballet, butthole." -- Shelly Long, to the bad guy after making a jump over a gorge that he couldn't quite, in "Outrageous Fortune"