Cisco Desk Phone 9800 Series Quick Start Guide

Publication Date: March 29, 2024
Last Modified: July 11, 2024

This guide provides a brief overview for the Cisco Desk Phone 9800 Series, designed to offer a comfortable and flexible collaboration experience for various work functions, modes, and locations.

Key Features and Hardware Overview

The Cisco Desk Phone 9800 Series offers flexible hardware features across its models to suit different work configurations. Key hardware features include:

Table 1: Key Hardware Features
Feature	9841	9851	9861	9871
Display	3.5" Grayscale	3.7" Color	5" Color	5" Color Touchscreen
Lines	4	6	10	16 (no physical line keys)
Bluetooth®	No	No	Yes (9861) / No (9861NR)	Yes (9871) / No (9871NR)
Wi-Fi	No	No	Yes (9861) / No (9861NR)	Yes (9871) / No (9871NR)
USB Ports	1 USB-A, 1 USB-C	1 USB-A, 1 USB-C	1 USB-A, 1 USB-C	1 USB-A, 1 USB-C
KEM Compatibility	No	Yes	Yes	Yes
PoE Support	PoE Class 2	PoE Class 3	PoE Class 3	PoE Class 3

Product Labels

Product labels are found on the product gift box and contain the following information:

Product Identifier
Product Serial Number
MAC Address
Date of Manufacture
Manufacturer

Hardware and Buttons

Cisco Desk Phone 9841

Front View: Depicts the phone's front panel with various interactive elements.

Table 2: Front Hardware and Buttons
Hardware Feature	Purpose
1. Phone Display	3.5" Grayscale display (384 x 160 resolution).
2. Top 360 LED	Indicates call, message, and phone statuses.
3. Action Button	Press to make a service call, such as an emergency call, if configured.
4. Line and Programmable Feature Buttons	Access phone lines, features, and call sessions.
5. Soft Keys	Access functions and services.
6. NFC Label	Location of the NFC tag. NFC feature will be available in a later firmware version.
7. Hold/Resume, Transfer, and Conference	Hold/Resume: Place an active call on hold and resume a held call. Transfer: Transfer a call. Conference: Create a conference call.
8. Headset, Speakerphone, and Mute	Headset: Activate headset. The button illuminates when active. Lift the handset or press Speakerphone to exit headset mode. Speakerphone: Activate or deactivate the speakerphone. The button illuminates when active. Mute: Activate or deactivate the microphone. The button illuminates when muted.
9. Alphanumeric Keypad	Use the keypad to enter numbers, letters, and symbols.
10. Volume Button	Adjust handset, headset, speakerphone (off-hook), and ringer (on-hook and idle) volume.
11. Favorites, Settings, and Contacts	Favorites: Access voicemail, help desk, and messaging services if configured. Settings: Access the settings menu. Contacts: Access directories.
12. Front LED Arch	Indicates phone, call, and message statuses.
13. Navigation Cluster	Consists of the Navigation Ring and Select button. Used to navigate menus, highlight items, and select a highlighted item.

Rear View: Depicts the phone's rear panel with various ports.

Table 3: Rear Ports
Port	Description
1. Power Port	Connect the power adapter if Ethernet does not support PoE. Power adapter sold separately.
2. Auxiliary Port	Used for collecting console logs.
3. Ethernet Port	Connect to your wall Ethernet port or router with the provided Ethernet cable.
4. PC Port	Used for network connectivity from your laptop or another IP phone.
5. Kensington Security Slot	Secure the phone physically in public places with an anti-theft security cable.
6. Headset Port	Connect your headset using the provided headset cable.
7. Cord Hook	Used to hold the headset cord.

Right Side View: Depicts the phone's right side panel.

Table 4: Right Side Ports
Port	Description
1. USB-A Port	Connect USB-A or Bluetooth headsets. Can also connect a mobile device for charging when the phone is powered by a wall outlet. See USB port specifications for charging recommendations.
2. Base Support	Supports your phone on a desk.

Cisco Desk Phone 9851

Front View: Depicts the phone's front panel.

Table 5: Front Hardware and Buttons
Hardware Feature	Purpose
1. Phone Display	3.7" Color display (480 x 240 resolution).
2. Top 360 LED	Indicates call, message, and phone statuses.
3. Action Button	Press to make a service call, such as an emergency call, if configured.
4. Line and Programmable Feature Buttons	Access phone lines, features, and call sessions.
5. Soft Keys	Access functions and services.
6. NFC Label	Location of the NFC tag. NFC feature will be available in a later firmware version.
7. Hold/Resume, Transfer, and Conference	Hold/Resume: Place an active call on hold and resume a held call. Transfer: Transfer a call. Conference: Create a conference call.
8. Headset, Speakerphone, and Mute	Headset: Activate headset. The button illuminates when active. Lift the handset or press Speakerphone to exit headset mode. Speakerphone: Activate or deactivate the speakerphone. The button illuminates when active. Mute: Activate or deactivate the microphone. The button illuminates when muted.
9. Alphanumeric Keypad	Use the keypad to enter numbers, letters, and symbols.
10. Volume Button	Adjust handset, headset, speakerphone (off-hook), and ringer (on-hook and idle) volume.
11. Favorites, Settings, and Contacts	Favorites: Access voicemail, help desk, and messaging services if configured. Settings: Access the settings menu. Contacts: Access directories.
12. Front LED Arch	Indicates phone, call, and message statuses.
13. Calendar Button	Tap to open your calendar. Accessible only if the administrator has configured the calendar service.
14. Navigation Cluster	Consists of the Navigation Ring and Select button. Used to navigate menus, highlight items, and select a highlighted item.

Rear View: Depicts the phone's rear panel.

Table 6: Rear Ports
Port	Description
1. Power Port	Connect the power adapter if Ethernet does not support PoE. Power adapter sold separately.
2. USB-C Port	Connect USB-C headsets. Can also connect a mobile device for charging. See USB port specifications for charging recommendations.
3. Ethernet Port	Connect to your wall Ethernet port or router with the provided Ethernet cable.
4. PC Port	Used for network connectivity from your laptop or another IP phone.
5. Kensington Security Slot	Secure the phone physically in public places with an anti-theft security cable.
6. Headset Port	Connect your headset using the provided headset cable.
7. Cord Hook	Used to hold the headset cord.

Right Side View: Depicts the phone's right side panel.

Table 7: Right Side Ports
Port	Description
1. USB-A Port	Connect USB-A headsets or a Cisco Desk Phone 9800 Keyboard Expansion Module. Can also connect a mobile device for charging. See USB port specifications for charging recommendations.
2. Base Support	Supports your phone on a desk.

Cisco Desk Phone 9861

The Cisco Desk Phone 9861 is available in two versions: the 9861 model with Wi-Fi and Bluetooth® capabilities, and the 9861NR model without Wi-Fi or Bluetooth. Both versions share the same hardware features.

Front View: Depicts the phone's front panel.

Table 8: Front Hardware and Buttons
Hardware Feature	Purpose
1. Phone Display	5" Color display (800 x 480 resolution).
2. Top 360 LED	Indicates call, message, and phone statuses.
3. Action Button	Press to make a service call, such as an emergency call, if configured.
4. Line and Programmable Feature Buttons	Access phone lines, features, and call sessions.
5. Soft Keys	Access functions and services.
6. NFC Label	Location of the NFC tag. NFC feature will be available in a later firmware version.
7. Hold/Resume, Transfer, and Conference	Hold/Resume: Place an active call on hold and resume a held call. Transfer: Transfer a call. Conference: Create a conference call.
8. Headset, Speakerphone, and Mute	Headset: Activate headset. The button illuminates when active. Lift the handset or press Speakerphone to exit headset mode. Speakerphone: Activate or deactivate the speakerphone. The button illuminates when active. Mute: Activate or deactivate the microphone. The button illuminates when muted.
9. Alphanumeric Keypad	Use the keypad to enter numbers, letters, and symbols.
10. Volume Button	Adjust handset, headset, speakerphone (off-hook), and ringer (on-hook and idle) volume.
11. Favorites, Settings, and Contacts	Favorites: Access voicemail, help desk, and messaging services if configured. Settings: Access the settings menu. Contacts: Access directories.
12. Front LED Arch	Indicates phone, call, and message statuses.
13. Calendar Button	Tap to open your calendar. Accessible only if the administrator has configured the calendar service.
14. Navigation Cluster	Consists of the Navigation Ring and Select button. Used to navigate menus, highlight items, and select a highlighted item.

Rear View: Depicts the phone's rear panel.

Table 9: Rear Ports
Port	Description
1. Power Port	Connect the power adapter if Ethernet does not support PoE. Power adapter sold separately.
2. USB-C Port	Connect USB-C headsets. Can also connect a mobile device for charging. See USB port specifications for charging recommendations.
3. Ethernet Port	Connect to your wall Ethernet port or router with the provided Ethernet cable.
4. PC Port	Used for network connectivity from your laptop or another IP phone.
5. Kensington Security Slot	Secure the phone physically in public places with an anti-theft security cable.
6. Headset Port	Connect your headset using the provided headset cable.
7. Cord Hook	Used to hold the headset cord.

Right Side View: Depicts the phone's right side panel.

Table 10: Right Side Ports
Port	Description
1. USB-A Port	Connect USB-A headsets or a Cisco Desk Phone 9800 Keyboard Expansion Module. Can also connect a mobile device for charging. See USB port specifications for charging recommendations.
2. Base Support	Supports your phone on a desk.

Cisco Desk Phone 9871

The Cisco Desk Phone 9871 is available in two versions: the 9871 model with Wi-Fi and Bluetooth® capabilities, and the 9871NR model without Wi-Fi or Bluetooth. Both versions share the same hardware features.

Front View: Depicts the phone's front panel.

Table 11: Front Hardware and Buttons
Hardware Feature	Purpose
1. Phone Display	5" Color display (1280 x 720 resolution).
2. Top 360 LED	Indicates call, message, and phone statuses.
3. Action Button	Press to make a service call, such as an emergency call, if configured.
4. NFC Label	Location of the NFC tag. NFC feature will be available in a later firmware version.
5. Hold/Resume, Transfer, and Conference	Hold/Resume: Place an active call on hold and resume a held call. Transfer: Transfer a call. Conference: Create a conference call.
6. Headset, Speakerphone, and Mute	Headset: Activate headset. The button illuminates when active. Lift the handset or press Speakerphone to exit headset mode. Speakerphone: Activate or deactivate the speakerphone. The button illuminates when active. Mute: Activate or deactivate the microphone. The button illuminates when muted.
7. Alphanumeric Keypad	Use the keypad to enter numbers, letters, and symbols.
8. Volume Button	Adjust handset, headset, speakerphone (off-hook), and ringer (on-hook and idle) volume.
9. Favorites, Settings, and Contacts	Favorites: Access voicemail, help desk, and messaging services if configured. Settings: Access the settings menu. Contacts: Access directories.
10. Front LED Arch	Indicates phone, call, and message statuses.
11. Home Button	Press to return to the home screen.

Rear View: Depicts the phone's rear panel.

Table 12: Rear Ports
Port	Description
1. Power Port	Connect the power adapter if Ethernet does not support PoE. Power adapter sold separately.
2. USB-C Port	Connect USB-C headsets. Can also connect a mobile device for charging. See USB port specifications for charging recommendations.
3. Ethernet Port	Connect to your wall Ethernet port or router with the provided Ethernet cable.
4. PC Port	Used for network connectivity from your laptop or another IP phone.
5. Kensington Security Slot	Secure the phone physically in public places with an anti-theft security cable.
6. Headset Port	Connect your headset using the provided headset cable.
7. Cord Hook	Used to hold the headset cord.

Right Side View: Depicts the phone's right side panel.

Table 13: Right Side Ports
Port	Description
1. USB-A Port	Connect USB-A headsets or a Cisco Desk Phone 9800 Keyboard Expansion Module. Can also connect a mobile device for charging. See USB port specifications for charging recommendations.
2. Base Support	Supports your phone on a desk.

Environmental and Operating Specifications

The Cisco Desk Phone 9800 Series requires specific environmental conditions for optimal performance.

Table 14: Physical and Operating Specifications
Specification	Value or Range
Operating Temperature	32 to 104 °F (0 to 40 °C)
Storage Temperature	14 to 140 °F (-10 to 60 °C)
Operating Relative Humidity	10% to 90% (non-condensing)
Non-operating Relative Humidity	10% to 95% (non-condensing)
Dimensions (H x W x D) (excluding foot stand)	9841: 8.43 x 8.43 x 1.94 in (214.06 x 214.24 x 49.4 mm) 9851: 8.9 x 8.43 x 1.94 in (226.06 x 214.24 x 49.4 mm) 9861: 8.89 x 9.04 x 1.94 in (225.87 x 229.6 x 49.4 mm) 9871: 8.89 x 8.43 x 1.94 in (225.8 x 214 x 49.4 mm)
Weight	9841: 2.89 lbs (954 g) 9851: 2.89 lbs (968 g) 9861: 2.41 lbs (1095 g) 9871: 2.33 lbs (1055 g)
Power Supply	100V to 240V, 50 Hz to 60 Hz, 0.5A (AC adapter) 48V DC, 0.42A (in-line power via network cable)
Cables	Category 3/5/5e/6 for 10 Mbps (4-pair); Category 5/5e/6 for 100 Mbps (4-pair); Category 5e/6 for 1000 Mbps (4-pair). Max cable length from phone to switch is 330 ft (100 meters).

Power Supply

There are two ways to provide power to Cisco Desk Phone 9800 Series:

Use Cisco Power Adapter 3 (Part number: CP-PWR-ADPT-3) and a compatible Cisco Power Cord. The power cube and cord are not included and must be ordered separately.
Cisco Desk Phone 9800 Series support Power over Ethernet (PoE). If your network supports PoE, use the Ethernet cable to connect the phone to the network.

Placement

This equipment is designed for industrial and commercial use in environments free from health and safety hazards. Continuous unsupervised operation is permitted. Installation and maintenance should be performed by qualified personnel.

Class A Product

This product may cause radio interference in a domestic environment, requiring the user to take appropriate measures.

Storage, Transport, Sale, and Disposal

Storage: Store indoors in original packaging. Storage temperature range: -10 °C to 60 °C. Relative humidity range: 10% to 95% (non-condensing).

Transport: Transport in original packaging within enclosed vehicles. Transport temperature range: -10 °C to 60 °C. Relative humidity: 10% to 95% (non-condensing).

Sale and Disposal: Terms of sale are governed by contracts. Disposal must comply with all applicable national laws and regulations.

What to do if the Equipment Malfunctions

If you experience operational problems or wish to report quality issues, contact your equipment provider. For technical support, visit the Cisco website: https://www.cisco.com/c/en/us/support/collaboration-endpoints/index.html

The manufacturer's warranty covers compliance with specifications if the equipment is stored, transported, installed, and operated according to documentation. Warranty and service support do not apply if the equipment has been subjected to:

Changes, modifications, incorrect handling, destruction, or damage due to natural causes, environmental exposure, failure to take required measures, negligence, intentional acts, misuse, use for unintended purposes, third-party acts or omissions, fire, water, chemicals, unauthorized repairs, mechanical damage, foreign object entry, liquid ingress, insect ingress, or non-compliance with technical regulations.

To see the manufacturing date, refer to the label attached to the product gift box.

Additional Information

For more detailed installation instructions, refer to the installation guides on the official Cisco website:

https://help.webex.com/es-co/article/29odsb/
To find more documentation about your product, see https://help.webex.com/es-co/landing/ld-n0mkkj8-CiscoDeskPhone9800Series

Antennas

The device has integrated, non-replaceable antennas. The following table lists antennas used by the Cisco Desk Phone 9861 and Cisco Desk Phone 9871.

Table 15: Dedicated Antennas and Maximum Permitted Conducted Power Settings
Cisco Part Number	Antenna Type	Antenna Gain (dBi)	Max EIRP (dBm)
DP-9861-K9=, DP-9861-L-K9=, DP-9861-K9++=, DP-9861-K9--=	Dipole (on Board)	4.11	30
DP-9861NR-K9=, DP-9861NR-K9++=	Not Available	Not Available	Not Available
DP-9871-K9=, DP-9871-L-K9=, DP-9871-K9++=, DP-9871-K9--=	Dipole (on Board)	4.23	30
DP-9871NR-K9=, DP-9871NR-K9++=	Not Available	Not Available	Not Available

Operating Frequency and Maximum Output Power

This section details the operating frequencies and maximum output power levels for the Cisco Desk Phone 9800 Series models.

Table 16: Operating Frequency and Maximum Output Power
Cisco Part Number	Operating Frequency	Operating Bands	Max Power Level (EIRP)
DP-9861-K9=, DP-9861-L-K9=, DP-9861-K9++=, DP-9861-K9--=	2.402 GHz - 2.480 GHz 2.400 GHz - 2.4835 GHz 2.412 GHz - 2.462 GHz 5.150 GHz - 5.250 GHz 5.180 GHz - 5.240 GHz 5.250 GHz - 5.350 GHz 5.260 GHz - 5.320 GHz 5.470 GHz - 5.725 GHz 5.500 GHz - 5.700 GHz 5.725 GHz - 5.850 GHz 5.745 GHz - 5.825 GHz	2.4 GHz ISM 2.4 GHz UNII 5 GHz UNII-1 5 GHz UNII-2 5 GHz UNII-2 Extended 5 GHz UNII-3	30 dBm
DP-9861NR-K9=, DP-9861NR-K9++=	Not Available	Not Available	Not Available
DP-9871-K9=, DP-9871-L-K9=, DP-9871-K9++=, DP-9871-K9--=	2.402 GHz - 2.480 GHz 2.400 GHz - 2.4835 GHz 2.412 GHz - 2.462 GHz 5.150 GHz - 5.250 GHz 5.180 GHz - 5.240 GHz 5.250 GHz - 5.350 GHz 5.260 GHz - 5.320 GHz 5.470 GHz - 5.725 GHz 5.500 GHz - 5.700 GHz 5.725 GHz - 5.850 GHz 5.745 GHz - 5.825 GHz	2.4 GHz ISM 2.4 GHz UNII 5 GHz UNII-1 5 GHz UNII-2 5 GHz UNII-2 Extended 5 GHz UNII-3	30 dBm
DP-9871NR-K9=, DP-9871NR-K9++=	Not Available	Not Available	Not Available

Intended Use of the Equipment

This product is for indoor use only and is designed primarily for use in an industrial environment. Operation is subject to two conditions: the equipment must not cause harmful interference, and it must accept any interference received, including interference that may cause undesired operation.

Legal Compliance and Disclaimers

FCC Compliance: This equipment has been tested and found to comply with the limits for Class A and Class B digital devices, as per Part 15 of the FCC Rules. Modifications not authorized by Cisco may void FCC approval.

UCB Adaptation: The implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB).

Warranty Disclaimer: All document and software files are provided "as is" with all faults. Cisco and its suppliers disclaim all warranties, express or implied, including warranties of merchantability, fitness for a particular purpose, and non-infringement. Cisco and its suppliers shall not be liable for any indirect, special, incidental, or consequential damages.

IP Addresses and Phone Numbers: Any IP addresses or phone numbers used in this document are for illustrative purposes only and are not intended to be real.

Document Control: Printed copies and electronic duplicates are uncontrolled. Refer to the online version for the most current information.

Cisco Offices: Cisco has over 200 offices worldwide. Addresses and phone numbers are available at www.cisco.com/go/offices.

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Cisco Desk Phone 9800 Series Quick Start Guide

Key Features and Hardware Overview

Product Labels

Hardware and Buttons

Cisco Desk Phone 9841

Cisco Desk Phone 9851

Cisco Desk Phone 9861

Cisco Desk Phone 9871

Environmental and Operating Specifications

Power Supply

Placement

Class A Product

Storage, Transport, Sale, and Disposal

What to do if the Equipment Malfunctions

Additional Information

Antennas

Operating Frequency and Maximum Output Power

Intended Use of the Equipment

Legal Compliance and Disclaimers

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