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espaeth
Digital Plumber
Premium,MVM
join:2001-04-21
Minneapolis, MN
kudos:2
Reviews:
·Clear Wireless

reply to RARPSL

Re: I can see both sides here...

said by RARPSL:

Yes you can and do "access the CDV infrastructure from outside of Comcast's network". At some point, the traffic leaves the Comcast network and flows over the Internet or some TelCo's network (unless both sides of the phone call are CDV numbers). VoIP is Voice over IP and thus IS an Internet-Based service.
There is nothing Internet-based about CDV. It's using the DOCSIS network to terminate to media gateways on Comcast's network to do SS7 or private SIP/H323 handoffs. None of that traffic touches an Internet backbone.

Standard Internet VoIP can be used on any open Internet connection -- I can go to my neighbor's house with my ATA, or make SIP calls from a hotel room over the Internet. You cannot register to Comcast's SIP gateways over the public Internet.

Skippy25

join:2000-09-13
Hazelwood, MO

They do not run 2 separate physical networks for this AND that would be the only true way to separate the traffic.

No matter how you dress up the pig, it is still a pig. The traffic flows around the world on the same pipes. At one point or another it all comes together regardless of channel, signal, or protocol.


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