– KX-DT300 series– KX-T7600 series– KX-T7400 series– IP-PT• If the Whisper OHCA feature cannot be used due to COS or telephone type, a call waiting tone will be sentto the called extension. (® 3.1.12 Call Waiting Tone)• If the called extension does not use a KX-DT300, KX-T7600, or KX-T7400 series telephone or an IP-PT,but forces Whisper OHCA, the announcement may be heard by the other party.• It is possible to enable Whisper OHCA on any telephone, however, it may not function properly (thecaller’s voice may be heard by both callers, for example).• While an extension is receiving a Whisper OHCA, if the extension user places the current CO line call onhold or transfers the current intercom call or CO line call, the Whisper OHCA will become disabled and thecalling extension will hear a ringback tone.• While an extension is receiving a Whisper OHCA, if the extension user places the current intercom call onhold, the called extension can talk to the calling extension through the handset.PC Programming Manual References4.11 [2-6-3] Numbering Plan—B/NA DND Call Feature→ BSS / OHCA / Whisper OHCA / DND Override→ BSS / OHCA / Whisper OHCA / DND Override-24.12 [2-7-1] Class of Service—COS Settings—Extension Feature— OHCA / Whisper OHCAFeature Manual References3.1.21 COS (Class of Service)Operating Manual References1.3.13 Call Waiting Tone20.1.5 Wireless XDP Parallel ModeDescriptionA portable station (PS) can be used in parallel with a wired telephone, i.e., a digital proprietary telephone (DPT),analog proprietary telephone (APT), or single line telephone (SLT), allowing an extension user to make orreceive calls with either the wired telephone or the PS. The PS will use the same extension number as thewired telephone, and many of the wired telephone’s extension settings (Call Forwarding [FWD], Class ofService [COS], etc.) are also used by the PS.This mode is similar to XDP Parallel mode used to pair DPTs with SLTs. (® 5.1.7 Extension PortConfiguration)In order to use a PS in Wireless XDP Parallel mode, the mode must be turned on using the PS.350 Feature Manual Document Version 2009-1220.1.5 Wireless XDP Parallel Mode
