Cisco Phone Manual 7821

The Cisco IP Phone 7821 is a single-line desk phone designed for basic voice communication in business environments. It features a monochrome display, support for Power over Ethernet (PoE), a built-in Ethernet switch, hearing aid compatibility (HAC), and integration with Cisco Unified Communications Manager (CUCM). Below are key sections covering safety, features, installation, configuration, operation, and troubleshooting.

Features at a Glance

Key components: Handset, Base unit, Display, Keypad, Ethernet ports, Power adapter port.

Installation

Unpack and inspect contents. Place phone on stable surface near network outlet.

1. Connect to Network: Plug Ethernet cable from switch into phone's LAN port.
2. Connect Computer (optional): Plug Ethernet cable from phone's PC port to computer.
3. Connect Handset: Insert coiled handset cord into jack on phone base.
4. Apply Power: Use PoE from switch or connect external power adapter to DC port.
5. Connect Headset (optional): Plug 3.5 mm headset into headset port.

WARNING! Use only approved Cisco power adapter. Ensure cables are securely connected.

First-Time Setup

Phone will boot and attempt to register with Cisco Unified Communications Manager.

1. Initial Boot: Wait for phone to complete startup sequence (display shows progress).
2. Network Registration: Phone should automatically obtain IP via DHCP and register with CUCM.
3. Verify Registration: Check for extension number and "Registered" status on display.
4. Set Preferences: Use Settings menu to configure time format, ring tone, contrast, etc.
5. Test Call: Lift handset and dial another extension to verify audio.

CAUTION! Do not unplug during firmware upgrade. Allow process to complete.

Specifications

• Phone Type: Single-line IP Phone.
• Display: Monochrome, 2-line text.
• Network: 10/100/1000 Mbps Ethernet with built-in switch.
• Power: IEEE 802.3af PoE or 12V DC power adapter.
• Audio: Wideband audio support, G.711, G.729 codecs.
• Protocols: SIP (Session Initiation Protocol) or SCCP (Skinny Client Control Protocol).
• Compliance: Hearing Aid Compatible (HAC), FCC Part 68.
• Operating Temp: 32°F to 104°F (0°C to 40°C).
• Supported Services: Call waiting, call forward, voicemail, conferencing.

Controls and Settings

Access menus via navigation buttons. Front Panel: Handset, Display, Keypad, Volume rocker, Mute, Headset, Speakerphone, Hold, Navigation cluster.

Softkeys: Context-sensitive buttons below display for call functions (Answer, EndCall, More, etc.).

Settings Menu: Press Settings button to access: - Ring Settings: Select ring type and volume. - Network Configuration: View IP address, subnet, gateway (admin access required). - Display: Adjust contrast, screen timeout. - Audio: Adjust handset, speaker, ringer volume levels. - Phone Information: View model, MAC address, firmware version.

Connecting to Network

LAN: Use CAT5e or higher cable to connect switch to phone's LAN port. PC: Use phone's PC port to daisy-chain computer.

1. Ensure network switch provides PoE or have power adapter ready.
2. Connect Ethernet cable from network outlet to LAN port on phone.
3. For computer connection, run cable from PC port to computer's Ethernet port.
4. Power on phone; verify link lights on Ethernet ports.

Tip: Use straight-through Ethernet cables. Ensure switch port is enabled for VoIP traffic.

Making and Receiving Calls

Basic call functions for daily use.

1. Make Call: Lift handset or press Speakerphone, dial number using keypad, press Dial softkey or wait for auto-dial.
2. Answer Call: Lift handset, press Answer softkey, or press Speakerphone.
3. End Call: Hang up handset, press EndCall softkey, or press Speakerphone to turn off.
4. Hold/Resume: Press Hold button to place call on hold; press Resume to return.
5. Mute: Press Mute button during call to mute microphone (LED lights when active).
6. Adjust Volume: Use Volume rocker during call for handset/speaker volume; at idle for ringer volume.
7. Redial: Press Redial softkey or dial ** to call last dialed number.
8. Call Forward: Activate via Call Forward softkey or through CUCM user web portal.

WARNING! Do not use excessive force on keypad or handset cradle.

Accessibility Features

Hearing Aid Compatibility (HAC): Handset meets FCC standards for hearing aid coupling. Visual Alerts: Flashing message waiting LED for voicemail. Ringer Volume: Adjustable up to 90 dB for users with hearing impairment. Large Keypad: Tactile, well-spaced buttons for ease of use.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth to wipe phone body and handset. For stubborn marks, dampen cloth with water only; do not use solvents.

CAUTION! Do not spray liquids directly on phone. Avoid abrasive cleaners.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. FCC Part 68: Registered for direct connection to telephone network. Industry Canada (IC) compliant. Hearing Aid Compatibility: Meets ANSI C63.19 standards. For safety and compliance information, refer to Regulatory Compliance and Safety Information (RCSI) document. For support, visit www.cisco.com or contact Cisco Technical Assistance Center.

Troubleshooting

Reset: To restart phone, unplug power and reconnect. For factory reset (admin only), press and hold # while plugging in power, release when light flashes.

Service: Contact network administrator or Cisco TAC: 1-800-553-2447; www.cisco.com/support