| Manufacturer | VTech Communications |
| Manufacturer Part # | TL90078 |
| Cost Central Item # | 10889605 |
| Product Description | AT&T TL92278 - Cordless extension handset w/ call waiting caller ID - DECT 6.0 |
| Product Type | Cordless extension handset w/ call waiting caller ID |
| Cordless Phone Standard | DECT 6.0 |
| Intercom | Yes |
| Speakerphone | Yes |
| Caller ID | Yes |
| Voice Mail Capability | Yes |
| Display | LCD display - monochrome |
| Display Features | Backlit |
| Product Type | Cordless extension handset w/ call waiting caller ID |
| Cordless Phone Standard | DECT 6.0 |
| Multi-Handset Configuration | Phonebook transfer |
| Dialer Type | Keypad |
| Dialer Location | Handset |
| Conference Call Capability | Yes |
| Intercom | Yes |
| Speakerphone | Yes |
| Caller ID | Yes |
| Voice Mail Capability | Yes |
| Call Waiting | Yes |
| Call Transfer | Yes |
| Call Hold | Yes |
| Menu Operation | Yes |
| Function Buttons | Speakerphone button, directory button, delete button, flash button, pause button, mute button, hold button, redial button |
| Volume Control | Yes |
| Ringer Control | Yes |
| Ring Tones | 10 |
| Lighted Keypad | Yes |
| Additional Functions | Built-in clock |
| Additional Features | Out of range alert, compatible with Bluetooth cellular phones |
| Type | Phone charging stand + power adapter - external |
| Battery | 1 x battery |
| Capacity | 750 mAh |
| Technology | Rechargeable - nickel metal hydride |
| Included Qty | 1 |
| Talk Time | Up to 540 min |
| Standby Time | Up to 120 h |
| Audible Battery Alert | Yes |