Cisco ATA 191 - CHAPTER 2: New and Changed Information; New and Changed for Firmware Release 11.2(4)

• Voicemail—This feature has no visual indicator, but a message waiting tone when you go off-hook
indicates that you have voice messages. Some analog phones with a large LCD screen may display a
voicemail icon.
• Call Forward.
• Redial.
Cisco ATA 191 and ATA 192 Analog Telephone Adapter User Guide for Multiplatform Firmware
9
Your ATA
Supported ATA call features