Aastra 53i SIP Phone

Aastra 53i SIP Phone.

Aastra 53i Features & Functionality

• Up to 9 call appearance lines


• Shared call and bridged line appearances


• Multi-proxy support


• Distinctive ringing, priority alerting


• XML browser


• Personal directory


• Call forward/Call transfer/Call waiting


• Caller and calling line information


• Callers log


• Local 3-way conference


• Intercom with auto-answer


• Redial list


• Do Not Disturb


• Live dial pad or pre-dial support


• Digium’s Asterisk Business Edition– supports Busy Lamp Field (BLF), Bridged Line Appearances (BLA), Intercom


• BroadSoft’s BroadWorks enhanced SIP – supports Shared Call Appearances, Busy Lamp Field (BLF), CommPilot Call Manager


• Nortel’s MCS 5100/5200 SIP supports Conferencing, Voicemail, and NAT Traversal


• Sylantro’s SIP – supports Bridged Line Appearances (BLA), Com?ierge, Call Park/Pickup, Conference

The Aastra 53i offers powerful features and flexibility in a standards based, carrier-grade basic level IP telephone. With a sleek and elegant design and 3 line LCD display, the 53i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for up to 9 calls simultaneously. Part of the Aastra 5i Series of IP telephones, the 53i is ideally suited for light to regular telephone requirements