Patent ID: 9537819
Date: 2017-01-03
CPC Classifications: H04L,H04N,H04R

Claim:
1. A method comprising: determining, by a first audio playback device, that a message sent by a second audio playback device to a specified server port includes a first lease renew request of the second audio playback device, wherein the first audio playback device is assigned a first Internet Protocol (IP) address, wherein the first IP address was assigned by a host device; and wherein a zone group comprises the first audio playback device and the second audio playback device; determining, by the first audio playback device, that the first IP address of the first audio playback device is the same as a second IP address identified in the first lease renew request of the second audio playback device; in response to determining that the first IP address of the first audio playback device is the same as the second IP address identified in the first lease renew request of the second audio playback device, obtaining, by the first audio playback device from the host device, a new IP address by sending a second lease renew request to the specified server port, wherein the new IP address is different from the first IP address and the second IP address; after obtaining the new IP address, receiving, by the first audio playback device, a stream of audio content; sending, by the first audio playback device, the audio content to the second audio playback device; and playing, by the first audio playback device, audio based on the audio content in synchrony with the zone group.