摘要 |
<p>A VoIP adapter for POTS a phone comprises: a POTS phone connector, an IP network interface, two sets of signaling senders, signaling receivers, media senders and media receivers for the POTS phone and the IP network respectively, and a controller for controlling the operations of above components. The VoIP adapter enables the user to carry out VoIP communications using a normal POTS phone and further enables use of advanced VoIP functions via the normal POTS phone, such as Call Hold, Call Transfer, Ad Hoc Conference, etc.</p> |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION;IBM UNITED KINGDOM LIMITED;LU, WEI;YANG, BO;WANG, QING, BO;YING, CHUN;LIU, XIAO, XI |
发明人 |
LU, WEI;YANG, BO;WANG, QING, BO;YING, CHUN;LIU, XIAO, XI |