| 摘要 |
The present invention enables voice packet communication in a wireless LAN utilizing inexpensive LAN equipment not supporting QoS, such as preferential control, band control and so forth, and can realize preferential control of voice packet without modifying an existing wireless LAN access point not supporting QoS. In a case where voice packets are admixed in packet communication via the wireless LAN, when a round trip period becomes large, a voice packet preferential control equipment gives preference for voice packet transmission with interrupting data packet transmission to a wireless LAN access point in a valve in order to prevent deterioration of communication quality of the voice packet.
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