Secure Digital I/O (SDIO) slot (not used for this
release)
11
Computer port (10/100/1000 PC) connection
5
Handset connection
6
The following picture shows the side of the phone.
Speaker port for output to optional
external speakers
3
USB port
1
Microphone port for input from optional external
microphone
4
Accessory connector; for example, for connecting
a Cisco Unified IP Phone Expansion Module
2
Each USB port supports the connection of up to five supported and nonsupported devices. Each device
connected to the phone is included in the maximum device count. For example, your phone can support
five USB devices (such as three Cisco Unified IP Color Key Expansion modules, one hub, and one other
standard USB device) on the side port and five additional standard USB devices on the back port. Many
third-party USB products count as multiple USB devices, for example, a device containing USB hub and
headset can count as two USB devices. For more information, see the USB device documentation.
Note
Buttons and hardware
Your phone provides quick access to your phone lines, features, and call sessions:
•
Use the feature buttons (on the left) to view calls on a line or access features such as Speed Dial or All
Calls.
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
15
Cisco Unified IP Phone
Cisco Unified IP Phone 9971
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