See also: OMA-TS-REST_NetAPI_ZonalPresence-V1_0-20160308-C section 5.2.3.2
http://www.openmobilealliance.org/release/REST_NetAPI_ZonalPresence/V1_0-20160308-C/OMA-TS-REST_NetAPI_ZonalPresence-V1_0-20160308-C.pdf

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