Built-in manufacturer's certificates for a cable telephony...

Details Built-in manufacturer's certificates for a cable telephony... Built-in manufacturer's certificates for a cable telephony...

2008-05-20

2008-05-20

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S168000, C713S173000

Reexamination Certificate

active

07376837

ABSTRACT:
System for using a manufacturer issued certificate to authenticate a CTA device during registration with an IP telephony network. In response to providing the manufacturer issued certificate, the issuance of another certificate allows the CTA to be provisioned by a specific IP telephony network. The system includes a method of operating a cable telephony adapter in an IP telephony network. The method includes steps of storing a manufacturer issued certificate in the cable telephony adapter, providing the manufacturer issued certificate to the telephony network, receiving a network issued certificate, and registering for telephony services with the telephony network using the network issued certificate.

REFERENCES:
patent: 5867495 (1999-02-01), Elliott et al.
CISCO; “Cisco Announces New Cable Broadband Access Product to Support Integraded Data, Voice and Video”; available on internet <URL:HTTP://CIO.CISCO.COM/WARP/PUBLIC/146/PRESSROOM/1999/JAN99/10.HTML>; Jan. 1, 1999; XP002147934.
Nortel Networks; “IP Telephony”; Cablenet '98; 1998, XP002147949; available on the internet <URL:http://www.cablenet.org/CN98/apps/Nort—teleph—col.pdf>; 1998.
Cehri Paquet; “Motorola Announces IP Telephony via Cable Networks”; Computerworld, May 5, 1998; XP002147950; available on the internet <URL:http://www.cw.com.hk/Analysis/a980506001.htm>.

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