The RCA 25423RE1 4-Line Expandable corded Speakerphone with Intercom is capable of expanding to 16 base stations.

Features:
- Compatible with the RCA-25424RE1 and RCA-25425RE1, and also the GE-29487/88, GE-25403/404/405, RCA-25413/414/415, and the 25424/425 series
- Speakerphone
- Intercom (station to station)
- Page all stations
- Privacy button
- Switchable data port
- 16 Programmable one-touch speed dials
- Redial/flash/hold/mute/page
- 4-Line backlit LCD (no caller ID)
- 94# Name and number directory
- Do not disturb
- Line in use indicators
- 3-way conference
- Headset jack and user button
- Optional, dedicated DECT 6.0 cordless accessory handset can be added (1 per base)
- Digital volume control
- Call transfer
- Trilingual menu display
- 8 Programmable ring tones
- Hearing aid compatible
- 2 Year manufacturer's warranty
- Not compatible with the older GE four line phones
- Not wall mountable
- Silver with black trim