[VoiceOps] Mitigating or stopping TDOS attacks - any advice?

[Alex Balashov]

Switches with TDM interfaces, even with calls that ingress and egress as
TDM, still often have the ability to query some sort of policy /
admission control server, e.g. via SIP redirect.

Where technically possible, this can be used to "inject" intelligence
where little to none exists (as is so commonly the case with the Big
Brands), or to devise intelligence that is specific to your environment
and problem space.

Where not technically possible - well ... 

-- 
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) 
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/