Description

The Aastra 55i 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 pixels 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 5i series 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.

Show Detailed Specification

General
Product Type	VoIP phone
Phone Features
Call Services	Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
Dialer Type	Keypad
Dialer Location	Base
Conference Call Capability	3-way
Intercom	Yes
Speakerphone	Yes ( digital duplex )
Menu Operation	Yes
Function Buttons	Speakerphone button, goodbye button, navigator key, headset button, mute button, hold button, auto redial button
Programmable Buttons Qty	12
Volume Control	Yes
Ringer Control	Yes
Indicators	Visual ringer light, voice message waiting indicator
Additional Functions	Web browser
Additional Features	PIN code
IP Telephony
Main Features	Integrated Ethernet switch
VoIP Protocols	SIP
Voice Codecs	G.729, G.711u, G.711a
Lines Supported	Multiline
Quality of Service	IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS)
IP Address Assignment	DHCP, static
Power Over Ethernet (PoE) Support	Yes
Network Protocols	TFTP, HTTP, DNS
Network Ports Qty	2 x Ethernet 10Base-T/100Base-TX
Network Features	Network Address Translation (NAT)
Phone Memory
Phone Directory Capacity	200 names & numbers
Dialed Calls Memory	100
Display
Type	LCD display - monochrome
Display Location	Base
Display Resolution	144 x 75 pixels
Backlit	Yes
Miscellaneous
Connections	Headset jack
Hearing Aid Compatible	Yes
Placing / Mounting	Wall-mountable, table-top
Cables Included	Network cable
Included Accessories	Wall bracket, stand, power adapter
Compliant Standards	VCCI Class B ITE, CISPR 22 Class B, EN 60950, EN55024, EN55022 Class B, ICES-003 Class B, EN 300.328, FCC Part 15 B, AS/NZS 4771, AS/ACIF S004, EN 61000-4-4, EN 61000-4-2, EN 61000-4-3, EN 61000-4-6, FCC Part 68, EMC, CSA C22.2 No. 60950-00, AS/NZS 3548, FCC Part 15 C, EN 61000-4-5, EN 61000-4-11, RoHS, EN 61000-4-8, UL 60950-1, WEEE
Power
Type	Power adapter - external
Dimensions & Weight (Base)
Width	23.5 cm
Depth	20.8 cm
Height	8 cm
Weight	895 g