Gateway for connecting telecommunications networks and a...

Details Gateway for connecting telecommunications networks and a... Gateway for connecting telecommunications networks and a...

2006-09-19

2006-09-19

Matar, Ahmad F. (Department: 2642)

Telephonic communications

Audio message storage, retrieval, or synthesis

Interaction with an external nontelephone network

C370S352000, C370S401000, C370S466000, C370S467000

Reexamination Certificate

active

07110509

ABSTRACT:
The invention relates to a gateway for connecting telecommunications networks, and to an associated method, in which a user channel data converter is connected via at least one additional user channel data interface to a switching center, and a signaling channel data converter is inserted between an already existing user/signaling channel data interface such that signaling information (SD(cic4)) which is transmitted on this data interface is filtered out for the additional user channel data interface. This results in a connection for a packet-switching telecommunications network without any major intervention in the network structure of a line-switching telecommunications network.

REFERENCES:
patent: 5852660 (1998-12-01), Lindquist et al.
patent: 6069890 (2000-05-01), White et al.
patent: 6711159 (2004-03-01), Grabelsky et al.
XP-000830045; “Media Gateway Control Protocol and Voice Over IPGateways” by L-P. Anquetil et al.;Alcatel Telecommunications Review, 2nd Quarter, c. 1999.
XP-000877963; “Network Evolution the Ericsson Way” by Steinar Dahlin et al.;Ericsson Review, No. 4, c.1999.
XP000346720; “A Gateway Between an Eurocom D/1-Network and a Private PTT-Type CCITT SS7-Network”; by Tapani Nieminen et al.,Proceedings of the Military Communications Conference No. 11; c. 1992.

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