How to display missing softkey on Cisco 8821 IP Phone?
If the softkey you want to use does not appear on your Cisco IP Phone, try pressing the 'More' button to reveal additional functions. Also, ensure you change the line state by placing a call or having a connected call. If the issue persists, your phone may not be configured to support the feature associated with that softkey.
What happens when I'm disconnected from a barged call on Cisco 8821?
If you are disconnected from a call that you joined using Barge on your Cisco IP Phone, it occurs when the call is put on hold, transferred, or turned into a conference call.
Why is the main screen not active on my Cisco 8821?
If the main screen of your Cisco IP Phone is not active, it could be due to several reasons. The network might be busy due to insufficient bandwidth; try again later. Your phone might be out of range of its access point. The phone could also be searching for a wireless network access point or experiencing authentication failure. Lastly, it might be waiting for DHCP to assign an IP address.
Why does Barge fail on my Cisco 8821 IP Phone?
If Barge fails and results in a fast busy tone on your Cisco IP Phone, it could be due to a couple of reasons. You cannot barge an encrypted call if your phone is not configured for encryption. Also, you cannot barge a call on another Cisco Wireless IP Phone.
Why does conference fail on Cisco 8821?
If the conference fails on your Cisco IP Phone, ensure that you have selected at least one call in addition to the active call, which is selected automatically. Also, verify that the selected calls are on the same line.
Instructions for initial setup, including reading safety information and charging.
Procedure for installing and charging the phone's battery before use.
Information on charging the phone battery using various methods.
Methods for configuring the phone for network and call control system connection.
Steps to connect the phone to a Wi-Fi network.
Instructions on how to make calls from the phone.
Procedures for answering incoming calls.
Steps to transfer an active call to another party.
Connecting and managing Bluetooth headsets and speakers.
Common phone problems and their potential causes and solutions.
Checking and viewing details of the Wi-Fi connection and access points.
Essential safety notices before installing or using the wireless IP phone.
General safety guidelines for using the phone in various environments.
Important safety notices and warnings related to phone batteries.
Information on operating the phone in potentially explosive atmospheres.
General| Wi-Fi | Yes |
|---|---|
| Ethernet LAN | No |
| Wi-Fi standards | 802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Bluetooth version | 3.0+HS |
| Security algorithms | EAP-FAST, EAP-TLS, PEAP, WPA |
| Networking standards | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11d, IEEE 802.11e, IEEE 802.11g, IEEE 802.11n, IEEE 802.11r |
| USB 2.0 ports quantity | 1 |
| Voice codecs | G.711, G.711a, G.722, G.729, G.729ab, iLBC |
| Volume control | Digital |
| Product type | IP mobile phone |
| Product color | Black |
| Input frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output current | 0.2 A |
| Display diagonal | 2.4 \ |
| Display resolution | 240 x 320 pixels |
| Frequency band | 2.412, 2.472, 5.180, 5.240, 5.260, 5.320, 5.500, 5.700, 5.745, 5.825 GHz |
| Lines quantity | - lines |
| Phonebook capacity | - entries |
| Storage temperature (T-T) | -30 - 60 °C |
| Operating temperature (T-T) | -10 - 50 °C |
| Operating relative humidity (H-H) | 10 - 95 % |
| Safety | UL 60950-1, CAN/CSA 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950.1, IEC 60529 (IP 67) |
| Certification | ● 47 CFR 15 B ● ICES-003 B ● EN 55022 B ● AS/NZS CISPR 22 B ● CISPR 22 B ● VCCI B ● EN 61000-3-2 ● EN 61000-3-3 ● KN 22 B ● EN 55024 ● EN 50082-1 ● EN 61000-6-1 ● EN61000-6-3 ● EN 300386 ● EN 60601-1-2 ● KN |
| Number of handles included | 1 pc(s) |
| Harmonized System (HS) code | 85171800 |
Weight and Dimensions| Depth | 17 mm |
|---|---|
| Width | 56 mm |
| Height | 132 mm |
| Weight | 126 g |
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