The Sero! can be operated via the majority of Possum, Infrared enabled home controllers and Communication Aids.
50 User-recordable phrases: (each 60 seconds long) allow people with partial or no voice to communicate crucial messages over the telephone.
SSI© (Secure Spoken Identity)*: Secure Spoken Identity, using caller ID services, will speak the name of the person calling (if the caller’s details are in the phone book). Unsolicited calls can be diverted straight to the answering machine.
Emergency Dialing Features Include: Remote activation of the emergency dial number via the Possum Jive!, Primo!, or any other appropriate infrared device. Automatic Help Call function which dials up to 8 contacts until a response is registered.
Hands free calling
Remote Control via IR
Emergency Dialing
Speakerphone
Answering Machine
Recordable Memos
Communication Aid Feature
SSI© (Secure Spoken Identity) - Voice announcing caller ID*
Operate phone manually or remotely
Standard wireless/wired headset connection
Volume adjustment while on a call
Transfer to headset/hands free while on a call
Remote control speaker phone operation
Full/Half duplex speaker phone operation
Easy to use phonebook - programmable via Infrared remote
100 name capacity with 60 voice labels and 29 speed dials via IR environmental controller
5 second record time per name
Announce contact number in phonebook
Prioritize contacts as "emergency" and "VIP" Symbol displays contact type (mobile, home, work)
Lockable editing of phonebook
Last number redial
14 number redial list
Call list for last 13 callers
Display date, time, name, and contact number (if in phonebook) of calls
SSI© (Secure Spoken Identity)*
Announce name and number of caller in calls list
Save caller to phonebook
Auto hang-up option (20 to 120 minutes)
50 user recordable phrases (30 seconds each)
Play phrases on call, or anytime (speak to person in room)
Auto play a phrase on answer/hang up
15 character phrase label
Lockable recording/editing and phrase function
IR control of all functions
Compatible with Possum and other IR codes
Programmable keypad lock for all calls or all but emergency numbers
Programmable keypad lock code
Call restriction to block certain numbers
2 premium rate prefix numbers requiring pin code to dial
Rechargeable battery with internal backup
Audible and visual warnings for low battery, AC disconnect, and phone line disconnect
Mute all warnings feature
14 message answering machine capacity
15 minutes recording time per message
3 user-recorded outgoing messages (OGM)
Variable number of rings before answer (1-12)
Accessible away from home
Dedicated Emergency Dial Button
User recordable help message
Two help call functions - dial one contact, dial up to 8 contacts
Width: 3.9 inches (100 mm)
Length: 7.4 inches (190 mm)
Depth: 1.7 inches (44 mm)
Weight: 18.6 ounces (529 grams) 
