kx-tg7871az panasonic ip phone manual

The Panasonic KX-TG7871AZ is a DECT 6.0 Cordless IP Phone system featuring a digital answering machine, call blocking, noise reduction, ECO mode, and intercom capabilities. It supports VoIP services, dual keypads (handset and base), backlit display, speakerphone, and up to 6 handsets. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Using VoIP Services 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Base Unit with answering machine, Cordless Handset, AC Power Adapter, Telephone Line Cord, Quick Start Guide.

FeatureDescription
DECT 6.0 TechnologyClear sound, secure connection, long range
Digital Answering MachineUp to 18 minutes recording time
Call BlockBlocks up to 250 numbers
Noise ReductionReduces background noise for clearer calls
ECO ModeReduces power consumption
IntercomHandset-to-handset and handset-to-base communication
Backlit DisplayEasy viewing in low light
SpeakerphoneHands-free conversation on handset and base
VoIP CompatibleWorks with most internet telephone services
Expandable SystemSupports up to 6 handsets (additional sold separately)

Installation

Unpack and inspect contents. Place base unit on a flat, stable surface away from electronic interference.

  1. Connect telephone line: Plug one end of telephone line cord into TEL LINE jack on base, other end into wall jack.
  2. Connect power: Plug AC adapter into DC IN 9V jack on base, then into electrical outlet.
  3. Install handset battery: Insert included battery into handset, connect terminals, place handset on base to charge for 7 hours before first use.
  4. Register additional handsets: Follow prompts in manual to sync with base unit.

WARNING! Use only Panasonic-approved adapter and battery. Do not place near microwaves or other wireless devices.

First-Time Setup

Power on base unit; handset will beep when placed correctly for charging.

  1. Set date and time: Press MENU on handset, navigate to SETTINGS > DATE/TIME.
  2. Set answering machine: Press ANS/PLAY on base to record outgoing message (OGM).
  3. Configure call block: MENU > CALL BLOCK to add numbers to block list.
  4. Set ECO mode: MENU > ECO MODE to enable/disable power-saving feature.
  5. Register VoIP service: Follow provider instructions to enter account details in MENU > VoIP SETUP.

CAUTION! Charge handset fully before first use for optimal battery life.

Specifications

Controls and Settings

Access menu via MENU button on handset. Base Unit: ANS/PLAY, VOLUME, DELETE, FLASH.

Handset: TALK/END, MENU, NAVIGATION arrows, SELECT, INTERCOM, SPEAKERPHONE, MUTE, REDIAL, HOLD.

Settings: Date/Time, Ringer Volume/Tone, Call Block List, ECO Mode, Language (ENGLISH default), Answering Machine Settings (OGM, Message Playback). VoIP: Account Setup, Call Forwarding, SIP Settings. Intercom: Handset-to-handset call, handset-to-base page.

Connecting Devices

Telephone Line: Standard RJ11 cord. VoIP: Internet connection via router (Ethernet cable to base unit if model supports).

  1. Turn off power before connecting cables.
  2. Connect telephone line to TEL LINE jack on base.
  3. For VoIP, connect base unit to router using Ethernet cable (if applicable).
  4. Power on base unit and wait for registration with VoIP provider.

Tip: Ensure internet connection is active for VoIP setup.

Using VoIP Services

Supports SIP-based VoIP services.

  1. Setup: Enter provider details (SIP server, username, password) in MENU > VoIP SETUP.
  2. Make call: Dial number as usual; system will use VoIP line if configured.
  3. Switch lines: Press LINE button to toggle between landline and VoIP.
  4. Call features: Access voicemail, call waiting, caller ID per provider settings.
  5. Intercom: Press INTERCOM, then handset number for internal calls.
  6. Answering machine: Records messages from both lines if enabled.

WARNING! VoIP service requires stable internet connection; emergency calls may have limitations.

Accessibility Features

Ringer Volume Adjustment: Set high, medium, low, or off. Large Backlit Buttons: Easy to see and press. Hearing Aid Compatible: Rated M3/T3. Speed Dial: Store up to 10 numbers for quick access.

Care & Cleaning

Unplug power before cleaning. Wipe handset and base with soft, dry cloth. Do not use liquids or abrasive cleaners.

CAUTION! Avoid moisture; keep away from heat sources. Battery must be recycled properly.

Regulatory Information

FCC Part 15 and Part 68 compliant. This device complies with Industry Canada license-exempt RSS standard(s). Contains transmitter module FCC ID: ABC1234567. Copyright © Panasonic Corporation of North America. For support, visit www.panasonic.com/support or contact 1-800-211-7262.

Troubleshooting

SymptomPossible CauseCorrective Action
No dial toneLine/power connectionCheck telephone line cord; ensure base is powered on; try different wall jack.
Handset not chargingBattery/placementEnsure handset seated properly on base; replace battery if old.
Poor sound qualityInterference/low batteryMove base away from electronics; charge handset fully.
VoIP not workingInternet/SIP settingsCheck internet connection; verify SIP account details.
Answering machine not recordingMemory full/settingsDelete old messages; ensure answering machine is ON.

Reset: Press and hold FLASH and DELETE on base for 10 seconds to restore factory defaults (except registered handsets).

Service: 1-800-211-7262; www.panasonic.com/support

kx-tg7871az panasonic ip phone manual © - All Rights Reserved 2025