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Aastra 6753i (53i)

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Aastra 6753i IP TelephoneA1753-0131-10-01
MSRP: $189.99
Price: $159.99
Call or send form below for volume discount
Store #: 2716
Manufacturer: Aastra
Manufacturer Part No: A1753-0131-10-01

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Need help with this purchase? Call 888-976-7443
1-year warranty

Aastra 6753i (53i)
Aastra 6753i - Features *

  • Up to 9 call appearance lines
  • Shared Call and Bridged Line Appearances
  • Multi-proxy support
  • XML browser
  • Intercom with auto-answer
  • Live dial pad or pre-dial support
  • Digiums Asterisk Business Edition supports Busy Lamp Field (BLF), Intercom
  • BroadSofts BroadWorks enhanced SIP supports Shared Call Appearances, Busy Lamp Field (BLF), CommPilot Call Manager
  • Nortels MCS 5100/5200 SIP supports Conferencing, Voicemail, and NAT Traversal
  • Sylantros SIP supports Bridged Line Appearances (BLA), Comierge, Call Park/Pickup, Conference

Aastra 53i - Overview

XML Browser

The Aastra 53i is equipped with XML browser capabilities allowing access to customized services and applications. Create internal service applications using development guides available from Aastra. This feature provides unlimited potential to customize the 53i 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, the Aastra 53i 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.

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.

* Feature availability dependant on IP telephony systems

Aastra 6753i (53i) Specifications

23.5 cm W x 20.8 cm D x 8.0 cm H (9.3W x 8.2D x 3.2H)
895 g (31.3 oz)
  4 positions footstand
Wall mountable


AC wall adapter included
 Integrated IEEE 802.3af Power Over Ethernet (PoE) support


 Hearing aid compatible (HAC) handset
 Full-duplex quality speakerphone
 Modular headset connector with built-in amplifier - Non-amplified business headsets are recommended

Display and Indicator

 3 line LCD display
 LED for call and message waiting indicator

Feature Keys

 3 call appearance lines with LEDs
 4 navigational keys
 4 programmable keys with LEDs
 8 predefined hard keys: Goodbye, Options, Hold, Redial, Speakerphone/Headset toggle, Mute, 2 volume keys

Protocols / Codecs

 IETF SIP (RFC3261 and associated RFCs)
 G.711 -law / A-law


 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


 User and administrator level passwords
 Encryption of configuration files
 HTTPS configuration download and web management
 Phone lock with PIN


 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


 Visit for an up to date listing of approved vendor/interoperability

Part Numbers

A1753-0131-10-05 North America (120V power adapter)
 A1753-0131-10-55 International (Universal power adapter)


Optional mid span Power Over Ethernet (POE) injector available, but not provided, for networks that do not supply power - D0023-0031-00-00 (North America)or D0023-0031-PS-00 (International)

Package Contents

 Aastra 53i IP telephone
 Handset and coil cord
 2x Foot stand
 AC wall adapter
 Network cable
 Programmable keys label
 Installation Guide
 Wall mount kit


 ROHS compliant
 WEEE (2002/96/EC)
 CE Mark (89/336/EEC EMC Directive and 73/23/EEC Low Voltage Directive)
 FCC Part 15 Class B
 ICES-003 Class B
 VCCI Class B
 AS/NZS 3548 Class B
 EN55022 Class B
 CISPR22 Class B
 EN61000-4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11
 CAN/CSA C22.2 No. 60950
 EN 60950
 UL 60950-1
 FCC Part 68 (Hearing Aid Compatibility)
 AS/NZS S004
 FCC Part 15 Class C
 EN 300-328
 EN 301 489
 AS/NZS 4771

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