- The AT&T TL90073 Accessory Handset is an accessory handset only<br/>- Requires the AT&T TL96273 phone system to operate<br/>- Caller ID announce<br/>- Push-to-Talk<br/>- HD audio with equalizer for customized audio<br/>- Simulated full-duplex handset speakerphone<br/>- Big buttons<br/>- Caller ID/call waiting�50 name and number caller ID history<br/>- ECO mode power-conserving technology<br/>- Quiet mode<br/>- DECT 6.0 digital technology<br/>- Intercom between handsets<br/>- Conference between an outside line and up to 4 cordless handsets<br/>- 200 name and number phonebook directory<br/>- Voicemail waiting indicator<br/>- Quick access key for voicemail box<br/>- Last 10 number redial<br/>- English/Spanish/French setup menu<br/>- Mute<br/>- Any key answer
