VoIP Telephone Handsets
Aastra 51i
Aastra 51i
Aastra 51i
Aastra 51i Dual Line IP Phone

The Aastra 51i offers exceptional features and value in a basic level, standards based IP Telephone. With a sleek and elegant design and 3 line LCD display, the 51i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for two simultaneous calls.

Part of the Premium Series of IP telephones, the 51i is ideally suited for staff whose roles do not include intensive telephony use, and for small and medium business applications such as lobbies or common areas, where single line high-quality SIP communication is required.

Product Features
Product Specification
Physical
~ 4 position footstand
~ Wall mountable

Power
~ Integrated Ethernet PoE support
~ Optional AC wall adaptor available

Audio
~ Full-duplex quality speakerphone
~ Hearing aid compatible (HAC) handset

Display and Indicator
~ 3 line LCD display
~ LED for call and message waiting indicator

Feature Keys
~ 1 call appearance
~ 4 navigational keys
~ 9 configurable speed-dial keys using number keypad
~ 9 predefined hard keys

Codecs Supported
~ G.711 μ-law / A-law
~ G.729

Security
~ User and administrator level passwords
~ Encryption of configuration files
~ Phone lock with PIN

Networking
~ Dual 10/100 Mbps switched Ethernet ports
~ Quality of Service (QOS) support
~ Network Address Translation (NAT) support
~ Integrated HTTP/HTTPS server for web administration and maintenance
~ Mass deployment via central provisioning of user configuration files