Managing packet-switched voice communications during silence intervals
地域：
CA
CA Cupertino
摘要
In some embodiments, a UE is configured to, in response to detecting an absence of received packets associated with a voice call over a first time interval of a pre-determined length, initiate transmission of a first control packet to a base station. In some embodiments, the UE is further configured, based on a response to the first control packet, not to drop the packet-switched voice call at least until expiration of a second time interval of a pre-determined length after transmission of the first control packet. In some embodiments, the absence of received packets is an absence of both voice and silence packets. In some embodiments, based on absence of a response to the first control packet, the UE is configured to drop the packet-switched call.
說明書
At 620, the apparatus, based on a response to the first control packet, maintains the packet-switched voice call (e.g., rather than dropping the voice call based on the absence of packets during the time interval) at least until expiration of a second time interval (which may commence at transmission of the control packet, reception of the response, etc.). In some embodiments, this may allow the apparatus to ping the network and determine whether the absence of received packets is due to network conditions or SID suppression. If the apparatus does not receive a response to the first control packet, it may drop the call or may send one or more additional control packets and wait for a response before dropping the call.
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