METHOD OF INTERNET PROTOCOLS BASED MULTIMEDIA SERVICES SUBSYSTEM COMMUNICATION SESSION SWITCHING AND EMERGENCY CALLS FORWARDING OBJECT Russian patent published in 2016 - IPC H04L29/06 H04W4/22 

Abstract RU 2600526 C2

FIELD: communication.

SUBSTANCE: invention relates to Internet Protocol based multimedia services subsystem network communication session switching (IMS) and emergency calls forwarding (EATF) object. For this purpose method includes: call binding by emergency calls forwarding (EATF) object, sent by network element in call initiation domain, and call routing to emergency communication sessions (E-CSCF) control function; receiving of call forwarding invitation message sent by network element in call completion domain by EATF object; and when identifying the fact that call forwarding invitation message is invitation message, inviting to perform call forwarding, performed by multimedia matching EATF object and sending response message carrying information on multimedia to network element in call completion domain.

EFFECT: technical result is faster call forwarding process.

9 cl, 4 dwg

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RU 2 600 526 C2

Authors

Yang Qiang

Wang Chen

Dates

2016-10-20Published

2013-06-24Filed