Invention Grant
US09338717B2 Methods and apparatus for increasing emergency call success rate by reducing retries in the same domain 有权
通过减少同一领域的重试来提高紧急呼叫成功率的方法和装置

Methods and apparatus for increasing emergency call success rate by reducing retries in the same domain
Abstract:
Certain aspects of the present disclosure relate to techniques for increasing the emergency call success rate by reducing the number of retries in a same domain. According to one aspect, a multi-mode user equipment may measure a first time period upon a first attempt of establishing an emergency call in a first RAT network. The UE may use a configurable parameter to determine a number of times that the UE may retry the emergency call in the first RAT network after expiration of the first time period without establishing the emergency call or after a failed attempt of the emergency call during the first time period. The UE may switch to a second RAT network if the UE fails in establishing the emergency call in the first RAT network after retrying the determined number of times.
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