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Bluetooth Profiles; Coexistence (802.11B/G + Bluetooth) - Cisco 9971 Deployment Manual

Unified ip phone wireless lan deployment guide
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Up to ten headsets can be paired, where the previously connected headset is given priority.
The Bluetooth device does not need to be within direct line-of-sight of the phone, but barriers, such as walls, doors, etc. can
potentially impact the quality.
Bluetooth utilizes the 2.4 GHz frequency just like 802.11b/g and many other devices (e.g. microwave ovens, cordless phones,
etc.), so the Bluetooth quality can potentially be interfered with due to using this unlicensed frequency.

Bluetooth Profiles

The Cisco Unified IP Phone 9971 supports the Bluetooth Headset and Hands-Free Profiles.
Headset Profile (HP)
With Bluetooth Headset Profile (HSP) support, the following features can be available if supported by the Bluetooth headset.
Ring
Answer a call
End a call
Volume Control
Hands-Free Profile (HFP)
With Bluetooth Hands-Free Profile (HFP) support, the following additional features can be available if supported by the
Bluetooth headset.
Last Number Redial
Call Waiting
Divert / Reject
3 way calling (Hold & Accept and Release & Accept)
Speed Dialing
For more information, refer to the documentation from the Bluetooth headset manufacturer.

Coexistence (802.11b/g + Bluetooth)

If using Coexistence where 802.11b/g and Bluetooth are used simultaneously, then there are some limitations and deployment
requirements to be considered as they both utilize the 2.4 GHz frequency range.
Capacity
When using Coexistence (802.11b/g + Bluetooth), call capacity is reduced due to the utilization of CTS to protect the 802.11g
and Bluetooth transmissions.
Multicast Audio
Multicast audio from Push To Talk (PTT), Music on Hold (MMOH) and other applications are not supported when using
Coexistence.
Voice Quality
Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide
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