Call trace on a packet switched network

Details Call trace on a packet switched network Call trace on a packet switched network

2005-08-30

2005-08-30

Vincent, David (Department: 2661)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C709S224000

Reexamination Certificate

active

06937572

ABSTRACT:
A call trace feature for a network compatible device, such as a voice over Internet Protocol device. The call trace information may include an Internet Protocol (IP) address, a geographical location of the end-point device, a type or class of the end-point device, a call route, a topology of the route, a domain name server of the IP address and route, a directory number and name, a call back number, an advisement as to whether the IP address for the end-point device is mobile and an advisement as to what redirection may have occurred before the call was completed.

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patent: 2002/0114274 (2002-08-01), Sturges et al.
Stevens, Richard; TCP/IP Illustrated, vol. 1; 1994; Addison-Wesley, pp. 263-265, 97-109.

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