发明名称 |
METHOD FOR A SESSION INITIATION PROTOCOL PUSH-TO-TALK TERMINAL TO INDICATE ANSWER OPERATING MODE TO AN INTERNET PROTOCOL PUSH-TO-TALK NETWORK SERVER |
摘要 |
<p>A push-to-talk communication device (20, 4, 5, 6) including an operating answer mode (22) indicates that operating answer mode to a Session initiation Protocol / Internet Protocol "SIP/IP"-based push-to-talk network server (24, 2). The method includes employing as the operating answer mode of the push-to-talk communication device one of an automatic-answer mode (28), an always-automatic-answer mode (29) and a manual-answer mode (30). A SIP/IP core network (34) is employed including the SIP/IP-based push-to-talk network server. The operating answer mode is indicated in a Session Initiation Protocol message (40) from the push-to-talk communication device to the SIP/IP push-to-talk network server over the SIP/IP core network.</p> |
申请公布号 |
EP1741262(A1) |
申请公布日期 |
2007.01.10 |
申请号 |
EP20050732855 |
申请日期 |
2005.04.12 |
申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
ALLEN, ANDREW, M.;BUCKLEY, ADRIAN;SUNDRESH, BOKINAKERE S. |
分类号 |
H04L29/06;H04B1/44;H04L12/28;H04L12/56;H04L29/08;H04W4/10;H04W76/02;H04W80/00;H04W84/08 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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