VTech C4400 User Manual

The VTech C4400 is a SIP Contemporary 1-Line Accessory Handset for cordless phone systems, featuring DECT 6.0 technology, caller ID compatibility, directory storage, and integration with compatible bases like S2410/S2420. It supports English and is designed for residential or hotel use. Below are the key specifications, installation, operation, programming, and troubleshooting instructions.

Preparations

Unpack the handset and ensure all components are present: cordless handset, rechargeable battery pack (Ni-MH AAA 600mAh 1.2V), charging stand (C4012 or C4312), network cable (for C4312), belt clip. For battery replacement: Pry open the screw cover with a narrow object, remove the screw, insert a flat-head screwdriver in the slot to open the battery compartment cover, unplug the old battery connector, remove the old battery, plug in the new VTECH battery, replace the cover and screw. Charge new battery by placing handset on charging stand for 16 hours before first use. Maximum battery life: >5 hours talk time, 7 days standby. Place charging stand away from water, heat sources, and interference. Use wall mount bracket if desired.

WARNING! Failure to read and follow all instructions carefully before installing or operating this control could cause personal injury and/or property damage. Save these instructions.

Description

The VTech C4400 is a DECT 6.0 accessory handset with features including caller ID (subscription required), directory (up to 50 entries), redial, adjustable volume, ringer options. Supports basic calling, intercom, and call transfer when paired with a compatible base. Handset layout includes dedicated buttons for TALK/FLASH, OFF, SPEAKER, VOLUME +/-, MUTE, HOLD, numeric keys, programmable keys, and MESSAGE WAITING LED.

Applications: Residential or hotel cordless telephony; Accessory handset for SIP Contemporary series.

Precautions

CAUTION! To prevent electrical shock/equipment damage, unplug before installation. Use only supplied adapters and batteries. If in doubt about wiring, consult qualified technician. This product should only be connected to host equipment, not directly to PSTN.

WARNING! Do not use on circuits exceeding specified voltage; improper use can cause shock/fire. All wiring must conform to local/national electrical codes. Avoid use during storms, near gas leaks, or with pacemakers (maintain 6-inch distance). Dispose of batteries per local regulations and RBRC program. Install appropriate filters if using with data lines. Keep small metallic objects away from handset.

• WARNING! Use only the power adapters and batteries provided with this product.

Specifications

• Electrical: Frequency: DECT 6.0 (1.9GHz); Channels: 60; Power: PoE Class 2 (48V) or 5V DC via USB; Adapter: 5V DC @ 1A (for C4012).
• Batteries: Ni-MH rechargeable AAA (2 x 1.2V 600mAh); Charge time: 16 hours; Talk time: >5 hours; Standby: 7 days.
• Range: Up to 50m indoors, 300m outdoors; Varies by location.
• Operating Ambient: 32°F to 104°F (0°C to 40°C); Humidity: Up to 95% non-condensing.
• Dimensions: Handset: Approx. 6.5 x 2.0 x 1.2 inches; Charging Stand: Standard size.
• Other: Directory: 50 entries; Languages: English; Handset registration: Up to 4 handsets per base.

Removing Old Phone

Shut off power if applicable. Remove old handset cover. Label connectors before disconnecting. Disconnect battery one at a time; do not let fall into stand. Remove old charging stand from wall.

Installation

Plug network cable into charging stand (C4312) and wall jack (PoE). For C4012, connect USB to power source. Install battery in handset (align connector, snap cover). Place handset on charging stand to charge for 16 hours. For wall mount, reverse wall mount clip, attach mounting bracket, and secure to wall studs. Register handset to base: Press MENU > Registration on base, then place handset in cradle.

Wiring Diagrams

Terminal Designations: RJ45 jack for network cable on C4312; USB-A for power on C4012.

Standard Setup: Wall jack (PoE) to network cable to C4312; USB power to C4012.

Wall Mount: Route cables through bracket slots. [Brief diagram description: Charging stand with RJ45/USB ports, cable routing to wall jack.]

CAUTION! All wiring must conform to local/national electrical codes. Use PoE compliant sources.

Check Operation

After charging and registration, lift handset and listen for dial tone (when paired). Test by dialing a number and adjusting volume. Verify CHARGE LED on stand.

Basic Calling

1. Press TALK/FLASH, enter number.
2. To answer: Press TALK/FLASH or SPEAKER.
3. Adjust volume with VOLUME +/-.
4. End call: Press OFF or place on stand.

Operating Features

• Home Screen: LCD shows battery, signal, time.
• Key Features: Speakerphone, Any Key Answer, Directory, Redial, adjustable volume, ringer types, MUTE, HOLD, Intercom, Call Transfer.
• Range Limits: Volume: 5 levels; Ringer: Multiple patterns.

Programming

Access directory and settings via handset MENU key. Program directory entries. Refer to SIP Phone Configuration Guide for advanced programming via web portal.

1. Store Numbers: Press MENU > Directory > Add Contact, enter phone number (up to 32 digits), name, press SAVE.
2. Dial Stored Number: Press MENU > Directory, select entry, press TALK.
3. Run: Changes activate immediately. Handset registration: MENU > Settings > Registration.

Configuration

Adjust via MENU: Ringer type/volume, display language (English), voicemail indicators. Advanced settings via base web portal.

Troubleshooting