Invention Grant
US08442005B2 Seamless handoff across heterogeneous access networks using a handoff controller in a service control point
有权
使用服务控制点中的切换控制器在异构接入网络之间进行无缝切换
- Patent Title: Seamless handoff across heterogeneous access networks using a handoff controller in a service control point
- Patent Title (中): 使用服务控制点中的切换控制器在异构接入网络之间进行无缝切换
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Application No.: US12638765Application Date: 2009-12-15
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Publication No.: US08442005B2Publication Date: 2013-05-14
- Inventor: Ashutosh Dutta , Subir Das , Donald R. Lukacs , Tao Zhang , David C. Shrader , Raquel Morera Sempere , Stephanie Demers , Bryan J. Lyles , James Alfieri
- Applicant: Ashutosh Dutta , Subir Das , Donald R. Lukacs , Tao Zhang , David C. Shrader , Raquel Morera Sempere , Stephanie Demers , Bryan J. Lyles , James Alfieri
- Applicant Address: US DE Wilmington
- Assignee: TTI Inventions C LLC
- Current Assignee: TTI Inventions C LLC
- Current Assignee Address: US DE Wilmington
- Agency: Fitch, Even, Tabin & Flannery LLP
- Main IPC: H04W36/00
- IPC: H04W36/00
Abstract:
In a telecommunications network in which a mobile handset is capable of communicating in both an IP domain and a non-IP domain, the handoff of an existing communications session between the mobile handset and a fixed user is facilitated by a handoff controller implemented in a service control point. The handoff controller implements different handoff methods depending on the status of the fixed user and the transition of the mobile user. Additionally 802.21 Media Independent Handover Function in conjunction with SIP is used to facilitate handover between IP and Non-IP points in the system.
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