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Feature Keys
» Up to 9 lines with call appearances
» 3 line/call appearance keys with LEDs
» 4 navigational keys
» Up to 6 programmable keys with LEDs
» 8 dedicated hard keys including Hold,
Redial, Speakerphone/Headset toggle,
Mute, Options, Goodbye, 2 volume keys
Audio and Codecs
» Hearing aid compatible (HAC) handset
» Full-duplex quality speakerphone
» G.711 μ-law / A-law
» G.729
» G.722 wideband
1
» Independent volume setting for handset/
speaker/headset
» Echo cancellation
» Comfort noise
» Packet loss concealment
» Modular Headset Connector with built-in
amplifier
» Electronic Hookswitch (EHS) support for
wireless headsets
1
» Voice quality metrics
1
Display and Indicator
» 3 line adjustable LCD display
» LED for call and message waiting
indication
Security
» User and administrator level passwords
for login
» Encryption of configuration files
» HTTPS configuration download and web
management
» Phone lock with PIN
» Digest Authentication
» Transport layer Security (TLS)
2
» Secure Real-Time Protocol (SRTP)
2
XML API Capabilities
» Display control based on user actions or
on events
» Dynamic Phone Configuration
» RTP Streaming control
» CTI applications
» See XML API Documentation for more
details
Interoperability
» Visit www.aastratelecom.com/Ipphones
for an up to date listing of approved
vendor/interoperability
Expansion Modules
» Supports up to 3 M670i (536M)
3
modules
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
» Latin1, Latin 2 Character set
Protocol
» IETF SIP (RFC3261) and associated RFCs
Networking and Provisioning
» Dual 10/100 Mbps switched Ethernet ports
» Manual or Dynamic Host Configuration
Protocol (DHCP) IP address setup
» Support of multiple DHCP options: 66, 60,
43, 77, 159, 160
» 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
» RTCP support (RFC1889)
» RTP streaming for Paging and Intercom
applications
» STUN / TURN support
» IEEE 802.1x protocol support
» LLDP-MED support
Power
» AC adapter (48V DC) included
» Integrated IEEE 802.3af Power Over
Ethernet (PoE) support
Package Contents
» Aastra 6753i phone
» Handset and coil cord
» 2 x Footstand
» AC adapter
» Ethernet cable
» Programmable keys label
» Wall mounting kit
» Installation Guide
Physical
» 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)
» 895 g (31.3 oz)
» 4 positions footstand
» Wall mountable
Operating Conditions
» Operating Conditions:
• Temperature: 0°C to 50°C (32°F to 122°F)
• Relative Humidity: 20% to 90%, non-
condensing
» Storage Temperature: -50°C to 70°C (-58°F
to 158°F)
Regulatory
CE
» ROHS compliant
» WEEE (2002/96/EC)
» CE Mark (89/336/EEC EMC Directive and
73/23/EEC Low Voltage Directive)
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/ACIF S004
RF
» FCC Part 15 Class C
» EN 300-328
» EN 301 489
» AS/NZS 4771
Part Numbers
» A1753-0131-10-01 – 6753i Phone with
English Text Keypad,English Install Guide,
North America (120V) power adapter
» A1753-0131-10-55 – 6753i Phone with
International Symbols Keypad, Multi-
language install Guides, Universal power
adapter
1
Requires 2.5 Software release or latest
2
Not available on 3-way conference scenarios
3
Some products may reflect former name
COPYRIGHT (C) 2009 AASTRA TECHNOLOGIES LTD. ALL RIGHTS RESERVED. INFORMATION IN THIS DOCUMENT IS SUBJECT
TO CHANGE WITHOUT NOTICE. AASTRA TELECOM ASSUMES NO RESPONSIBILITY FOR ANY ERRORS THAT MAY APPEAR
IN THIS DOCUMENT. PRODUCT CAPABILITIES DESCRIBED IN THIS DOCUMENT PERTAIN SOLELY TO AASTRA TELECOM’S
MARKETING ACTIVITIES IN THE U.S AND CANADA. AVAILABILITY IN OTHER MARKETS MAY VARY.
AASTRA TELECOM
155 SNOW BLVD.,
CONCORD, ONTARIO, CANADA, L4K 4N9
SALES@AASTRA.COM • WWW.AASTRATELECOM.COM
Rev 01/09
PMS 293CPMS 298C
Aastra 6753i (53i) Technical Specifications
www.aastratelecom.com