Invention Grant
- Patent Title: System for switching over a voice call
- Patent Title (中): 用于切换语音通话的系统
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Application No.: US13598133Application Date: 2012-08-29
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Publication No.: US08838083B2Publication Date: 2014-09-16
- Inventor: Chi Fai Ho , Shin Cheung Simon Chiu
- Applicant: Chi Fai Ho , Shin Cheung Simon Chiu
- Applicant Address: US CA Palo Alto
- Assignee: TP Lab Inc.
- Current Assignee: TP Lab Inc.
- Current Assignee Address: US CA Palo Alto
- Agency: Gibson & Dernier LLP
- Agent Timothy X. Gibson, Esq.
- Main IPC: H04M3/42
- IPC: H04M3/42 ; H04L12/28 ; H04W36/00
Abstract:
A telephone adapted to switch a voice call from an Instant Messaging (IM) based voice network to a cellular voice network.
Public/Granted literature
- US20120322442A1 System For Switching Over A Voice Call Public/Granted day:2012-12-20
Information query
