Push-to-talk- HD audio with equalizer for customized audio- Connect to Cell- Mobile phone charging- Siri, S Voice and Google NowTM access- Downloadable phonebook directory- Mobile notifications- Virtual multi-line operation- Ringtone share-Set your cordless phone to play your iPhone iOS4.1 or later ringtone- Caller ID/call waiting-50 name and number caller ID history- Simulated full-duplex handset and base speakerphones- Large backlit base display- Table- and wall-mountable- High-contrast backlit LCD and lighted keypad- Quiet mode- ECO mode power-conserving technology- Expandable up to 12 handsets uses CLP99007 accessory handset- DECT 6.0 digital technology- 22 minutes of digital recording time- Call screening- Call intercept- Remote access- Message retrieval from handset- Message time stamp- Intercom between handsets and base unit- Conference between an outside line and up to 4 cordless handsets- Caller ID share-Add contacts from your landline system to your mobile phone- 200 name and number phonebook directory- Volume control- Compatible with AT&T cordless headset- Compatible with AT&T cordless accessory speakerphone- Voicemail waiting indicator- Quick access key for voicemail box- Last 10 number redial- Mute- Any key answer- English/Spanish/French setup menu