On Thu, Jan 28, 2010 at 4:42 PM, Chris Gotstein <ch...@uplogon.com> wrote: > Typically the CPE address is private, not sure why they would use a > public IP. The MTA (VoIP) part of the modem would need a public IP if > it was talking to a SIP server that was not on the same network. Most > smaller cable system outsource their VoIP to a reseller with a softswitch.
It's not necessarily "public", just globally unique. Some companies have more than 17,891,328 devices they want to manage in a centralized fashion. -- Tim:>
