Session recovery from dedicated bearer failure

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United States of America Patent

PATENT NO 11930425
APP PUB NO 20230043429A1
SERIAL NO

17967816

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Abstract

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Techniques and systems for recovering a communication session from a dedicated bearer failure are disclosed. For example, a P-CSCF node can determine that a dedicated bearer associated with a communication session has failed, and, in response, send a SIP message to a UE associated with the communication session, the SIP message causing the UE to refrain from sending SIP requests using a SIP INVITE method. The process may further include identifying a first network node associated with an identifier of the UE, the first network node comprising one of a PGW or a SMF, and sending an instruction to the first network node to dissociate the dedicated bearer from the communication session. This causes a new attach procedure to be performed by the UE to recover the session without session failure.

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Patent Owner(s)

Patent OwnerAddress
T-MOBILE USA INC12920 SE 38TH STREET BELLEVUE WA 98006

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Al-Mehdar, Mohammed Bellevue, US 10 26
Jabeiti, Anas Said M Kirkland, US 2 3
Mirza, Khurram Ahmad Bellevue, US 27 45
Mufti, Shujaur Snoqualmie, US 73 470

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