Up to 9 call appearance lines Personal directory Call forward Call transfer Call waiting Caller and calling line information Callers log Conference Hold Redial list Live dial pad or pre-dial support Broadsoft’s BroadWorks enhanced SIP – support for Intercom, Shared Call Appearances, CommPilot Call Manager Nortel’s MCS SIP support – Conferencing, Voicemail, and NAT Traversal support Sphere's Sphericall MGCP support - BLF, Intercom

The Aastra 480i should be powered by one of two methods:
• Powered by the network.
• Powered by the poe injector. Part# VentureIP PoE (see option above).

The 53i from Aastra 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 family of IP telephones, the 53i is ideally suited for light to regular telephone requirements.

The 55i from Aastra offers powerful features and flexibility in a standards based, carrier-grade advanced level expandable IP telephone. With a sleek and elegant design, 144 x 75 pixel backlit LCD display and 6 dynamic context-sensitive softkeys, the 55i 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 family of IP telephones, the 55i is ideally suited for moderate to heavy telephone users who require more one touch feature keys and XML based programs.

The 57i CT from Aastra offers powerful features and flexibility in a standards based, carrier-grade advanced level, expandable, IP telephone that includes an integrated WDCT cordless mobility handset for coverage up to 300,000 sq ft.* With a sleek and elegant design, large 144 x 128 pixel graphical backlit LCD display and 6 dynamic context-sensitive softkeys, the 57i CT base unit 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 family of IP telephones, the 57i CT is ideally suited for executives, heavy telephone users who require more one touch feature keys and a large screen to take full advantage of XML based programs and mobile warehouse, support and retail staff.

The 560M expansion module is designed to increase the power and flexibility of the 5i Series SIP telephones. Up to three modules can be used with the 57i or 57i CT telephone to create a powerful, feature rich console option. The 560M shares power and signaling with the phone, eliminating the need for additional wiring. Designed for receptionists, administrative assistants, call center agents, power users, and executives who need to monitor and manage a large volume of calls on a regular basis, the 5i Series Expansion Modules provide an intelligent choice for all Enterprise IP environments.

Aastra 9133i Product Features

• Enhanced Call Management Large storage for personal directory, callers log, and redial list
• Tight Integration Support for multiple IP telephony systems including BroadWorks®, Nortel, Sylantro, and Asterisk SIP
• Multiple Line/Call Appearance Lights Support up to 10 simultaneous calls. Juggle multiple calls easily with a single press of a button
• Shared Call Appearances Shared calls allow you to place a call on hold at one set and pick it up easily at another set
• Remarkable Audio Quality speakerphone with excellent voice clarity and delivery
• Protect Your Investments ? Firmware upgrades can be downloaded and installed in the field as standards develop and protocols evolve
• Less Wiring ? Built in dual 10/100 switched Ethernet ports let you share a connection with your computer. Inline power upport eliminates the need for a power adapter