发明名称 |
Call method, device, and communication system for private branch exchange user |
摘要 |
A call method, a device, and a communication system for a private branch exchange (PBX) user are provided. User data of the private branch exchange user may be sent to an application server when the private branch exchange user has opened an account but not registered. The application server may continue normal calling by using the user data of the private branch exchange user. The PBX user can make a successful call without independent registration when implementing independent supplementary services.
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申请公布号 |
US8477925(B2) |
申请公布日期 |
2013.07.02 |
申请号 |
US201213633346 |
申请日期 |
2012.10.02 |
申请人 |
ZENG FANGUI;HUAWEI TECHNOLOGIES CO., LTD. |
发明人 |
ZENG FANGUI |
分类号 |
H04M7/00;H04M3/42 |
主分类号 |
H04M7/00 |
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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