Method and system to bypass ENUM to reach a callee via a...

Details Method and system to bypass ENUM to reach a callee via a... Method and system to bypass ENUM to reach a callee via a...

2006-07-06

2009-12-08

Tsang, Fan (Department: 2614)

Telephonic communications

Plural exchange network or interconnection

With interexchange network routing

C379S221010, C379S221140, C370S351000, C370S352000

Reexamination Certificate

active

07630485

ABSTRACT:
At least one telephone network element receives an attempt by a caller to place a telephone call to a telephone number of a callee. The telephone number is registered in a telephone number mapping (ENUM) database to receive incoming telephone calls via a Voice over Internet Protocol (VoIP) network. The at least one telephone network element determines a preference to carry the telephone call via a public switched telephone network (PSTN) or a public land mobile network (PLMN) instead of the VoIP network. Based on the preference, the telephone call is forwarded to a gateway to carry the telephone call to the callee via the PSTN or the PLMN instead of the VoIP network.

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