The VTech IS8128-51 is a DECT 6.0 cordless phone system with Bluetooth wireless technology, supporting cell phone pairing, digital answering system, Smart Call Blocker, caller ID announce, and expandable up to 5 handsets. It features a backlit display, 1000-name phonebook, 50 caller ID log, and 22-minute recording time. Includes one base and five handsets. Below are the key specifications, installation, operation, programming, and troubleshooting instructions.
Verify all parts are included: Telephone base, five cordless handsets, five battery packs (2.4V 600mAh Ni-MH), five battery covers, five handset chargers with power adapters, telephone base power adapter, telephone line cord. Install and charge handset batteries before use.
CAUTIONS: Use only supplied adapters and batteries. Save these instructions.
Handset Battery Installation: Insert the battery pack into the handset compartment with the label facing down and the wires toward the battery door. Replace the cover. Charge for at least 10 hours initially.
The IS8128-51 is a DECT 6.0 cordless phone with Bluetooth. Base layout: LCD display, VOL +/-, X/DELETE, /REPEAT, PLAY/STOP, ANS ON/OFF, FIND HANDSET, MENU/SELECT, dial pad, HOME/FLASH, CELL, INT, MUTE/DELETE/VOICE GUIDE, speaker, microphone. Handset layout: Earpiece, LCD, MENU/SELECT, VOL +/-, REDIAL/PAUSE, MUTE/DELETE/VOICE GUIDE, /FLASH, CELL, INT, END/OFF/CANCEL, dial pad, speaker, microphone, headset jack. Features: Bluetooth pairing (up to 2 cells/headsets), phonebook download, remote voice control, Smart Call Blocker, answering system, caller ID, intercom, chain dialing, ECO mode. Range: 50 ft indoors, 300 ft outdoors; Bluetooth ~15 ft.
Applications: Home/office telephony with cell integration.
CAUTION! To prevent electrical shock, unplug before cleaning. Use only in dry locations. Do not install base above 2 meters.
WARNING! Reduce risk of fire/shock: Do not use near water; avoid rough handling. Do not disassemble. Keep 6 inches from pacemakers. Use only specified adapter (6V DC) and Ni-MH batteries; risk of explosion if wrong. Dispose per local codes. Operate in 0°C - 50°C, 5%-95% humidity. Unplug during storms. Privacy not guaranteed; potential interference with TV/VCR.
Base: Plug power adapter and line cord into base and outlets/jack. For DSL, use filter. Wall mount optional. Charger: Plug adapter into outlet. Registration: Handsets pre-registered; for additional, place in base or use FIND HS method.
CAUTIONS: Use supplied components. Charge batteries 10 hours.
Charge handsets. Press /FLASH for dial tone. Test incoming call: Rings, answer with /FLASH. Test Bluetooth pairing and cell calls. Test answering system: Leave message, play back. If no tone, check connections.
Phonebook: MENU > Phonebook > Add contact, enter name/number > SAVE. Speed dial: For voicemail, MENU > Settings > Voicemail #. Answering system: Record announcement via MENU > Answering sys > Announcement > Record annc. Deregister: MENU > Handset > Deregister.
Default settings indicated by asterisks (*).
| Setting | Default | Options | Comments |
|---|---|---|---|
| Language | English* | English, Français, Español | MENU > Settings > Set language |
| Ringer Volume | Medium* | Off, Low, Medium, High | MENU > Ringers > Ringer volume |
| Answering Rings | 4* | 2-6, Toll saver | MENU > Answering sys > # of rings |
| Recording Time | 3 min* | 1-3 min | MENU > Answering sys > Recording time |
| Bluetooth | Off* | On/Off, Pair devices | MENU > Bluetooth > Add cell/headset |
| Key Tone | On* | On, Off | MENU > Sound settings > Key tone |
Admin Access: MENU for settings; default remote code 19.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No dial tone | Line cord loose; power off | Check connections; replug power |
| Cannot dial out | Pulse service; no tone | Press * /TONE; check dial mode |
| Poor audio | Interference; out of range | Move closer; reduce interference |
| No ring | Ringer off; quiet mode | Adjust ringer; disable quiet mode |
| Handset not working | Low battery; not registered | Charge; re-register via base |
| Cannot pair Bluetooth | Out of range; incompatible | Enable pairing; restart devices |
| Answering system not recording | Full; off | Delete messages; turn on |
Care: Wipe with damp cloth. Dispose batteries properly. Service: 1-800-595-9511.