通信ネットワーク - BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY

Title:

通信ネットワーク

Document Type and Number:

Japanese Patent JP4270749

Kind Code:

B2

Abstract:

In a communications network, communications terminals exchange call control capability data which mutually identifies selected call control protocols and network address types. The terminals subsequently set up a call using protocols chosen from those identified. The terminals may continuously monitor for a request for the exchange of such data, allowing other parties to join a session subsequently, after the initial set up.

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Inventors:

Bedas, Simon Alexander
Bruce, Gary Leslie

Application Number:

JP2000523826A

Publication Date:

June 03, 2009

Filing Date:

November 24, 1998

Export Citation:

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Assignee:

BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY

International Classes:

H04L29/06; H04M3/00; H04Q11/04; H04L12/70

Domestic Patent References:

JP2090840A
JP2113742A
JP60140957A

Attorney, Agent or Firm:

Takehiko Suzue
Sadao Muramatsu
Ryo Hashimoto
Toshio Shirane

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