• 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

Product Information

Mobility

Employing secure WDCT cordless technology, the Aastra 57i CT expands VoIP beyond the desktop without the need for a separate wireless network. Increases flexibility and efficiency for those not tied to a desk.

XML Browser

The Aastra 57i CT is equipped with XML browser capabilities and an extra large display with dynamic softkeys to easily access customized services and applications. Create internal service applications using development guides available from Aastra. This feature provides unlimited potential to customize the 57i CT to meet your specific business needs or vertical applications using the display and keypad.

Enhanced Call Management

With extensive storage capacity for personal directories, callers logs and redial lists and 12 programable keys, the Aastra 57i CT can improve efficiency by providing more call information with the push of a button. Features such as shared call and bridged line appearances, call forward, call transfer, call waiting, intercom and local 3-way conference increase call flexibility and control.

Expandability

The Aastra 57i CT offers two different module extension options. It supports up to three Aastra 536M modules, each offering 36 keys with LED indicators to create a feature rich attendant console. Or, it will also support up to three of the advanced Aastra 560M modules, each offering 60 keys with a screen based LCD display and LED system.

Remarkable Audio

All Aastra IP telephones offer full-duplex speakerphone with excellent voice clarity and delivery.

With years of experience in telecommunications and telephone design, Aastra can ensure superior voice quality on every product we sell.

Simplified Deployment

From initial deployment and configuration to future enhancements and upgrades, the Aastra family of IP telephones are designed to save your business time and money. Dual auto-sensing switched Ethernet ports eliminate additional wiring and simplify installations. Integrated IEEE 802.3af Power-over-Ethernet allows easy deployment with

centralized powering and backup. Easily created configuration files, using any text editor, can be used to configure phones individually or centrally.

Physical

57i CT Base

23.5 cm W x 20.8 cm D x 8.0 cm H

(9.3”W x 8.2”D x 3.2”H)

940 g (33.0 oz)

4 positions footstand

Wall mountable

57i CT Cordless Handset

13.7 cm L x 4.6 cm W x 1.9cm H

(5.4’’L x 1.8’’W x 0.8’’H)

133 g (4.7 oz.)

Power

57i CT Base

AC wall adapter included

Integrated IEEE 802.3af Power Over Ethernet (PoE) support

57i CT Cordless Handset

AC wall adapter for charging stand

Nickel Metal Hydride battery – 4 day standby

time, 4 hour talktime

Audio

57i CT Base

Hearing aid compatible (HAC) handset

Full-duplex quality speakerphone

Modular headset connector with built-in amplifier

Non-amplified business headsets are recommended

57i CT Cordless Handset

One handset included; expandable up to 4 handsets

2.4 GHz Frequency Hopped Spread Spectrum (FHSS)

Warehouse coverage up to 300,000 sq. feet

Vibration alerter

2.5mm headset connector

Feature Keys

57i CT Base

4 call appearance lines with LEDs

4 navigational keys

12 customizable softkeys with LEDs,

programmable up to 30 functions

8 predefined hard keys

Goodbye, Options, Hold, Redial,

Speakerphone/Headset toggle, Mute, 2 volume keys

57i CT Cordless Handset

2 context-sensitive softkeys

8 predefined hard keys

Goodbye, Hold, Mute, Redial, Function,

Menu, 2 volume keys

Programmable function key supports up o 20 functions for tight integration to the

57i CT base features

Security

User and administrator level passwords

Encryption of configuration files

HTTPS configuration download and web

Management

Phone lock with PIN

Localization

Multi-lingual support – English, French,

Spanish, Italian, German.

Downloadable language pack support for customization and additional language translations

Country-specific call progress tones and cadences

Protocols / Codecs

IETF SIP (RFC3261 and associated RFCs)

G.711 ì-law / A-law

G.729

Display and Indicator

57i CT Base

144x128 pixels graphical LCD display

Soft white backlight for user comfort in

any lighting environment

Configurable for Always On, Always Off, or

Auto (power saving)

LED for call and message waiting indicator

57i CT Cordless Handset

Large 5 lines backlit display

LED for call and message waiting indicator

Expansion Module

Aastra 536M – 36-keys paper label module with LEDs

Scalable up to 3 modules or 108 keys.

No additional external power required;

direct power from phone

Aastra 560M – 60-keys LCD module with LEDs

Scalable up to 3 modules or 180 keys.

No additional external power required; direct power from phone.

Networking

Dual 10/100 Mbps switched Ethernet ports

Manual or Dynamic Host Configuration

Protocol (DHCP) IP address setup

Time and date synchronization using SNTP

Quality of Service (QOS) support – IEEE 802.1

p/Q VLAN and priority tagging, Type of

Services (TOS), and Differentiated Services Code Point

Network Address Translation (NAT) support

Integrated HTTP/HTTPS server for web administration and maintenance including a built-in troubleshooting section

Mass deployment via central provisioning of user configuration files – TFTP, FTP, HTTP, HTTPS Redundant server support DNS-SRV

Local backup registrar and/or proxy server

Part Numbers

A1758-0131-10-05 – North America (120V

power adapter)

Package Contents

57i CT Base

Aastra 57i CT IP telephone

Handset and coil cord

2x Footstand

AC wall adapter for base phone

Network cable

Installation Guide

Wall mount kit

57i CT Cordless Handset

Aastra 57i CT cordless handset

NiMH battery

Charging stand

AC wall adapter for charging stand

Belt clip

Regulatory

WEEE (2002/96/EC)

EMC

FCC Part 15 Class B

ICES-003 Class B

VCCI Class B

AS/NZS 3548 Class B

EN55022 Class B

CISPR22 Class B

EN55024

EN61000-4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11

Safety

CAN/CSA C22.2 No. 60950

EN 60950

UL 60950-1

Telecom

FCC Part 68 (Hearing Aid Compatibility)

AS/NZS S004

RF

FCC Part 15 Class C

AS/NZS 4771

Accessories

Aastra 536M – 36-keys paper label expansion

module

A1736-0000-10-55 (Universal)

Aastra 560M – 60-keys LCD expansion

module

A1760-0000-10-55 (Universal)

Aastra 57i CT cordless handset kit

A1759-0000-10-05 – North America (120V

power adapter)

Optional midspan Power Over Ethernet

(POE) injector available, but not provided, for

networks that do not supply power

D0023-0031-00-00 (North America)