Mailing Lists

Aastra 9143i 33i

< Previous Next >

MSRP: $210.00
Price: $134.99
You Save: $75.01 (36 %)
Store #: 2733
Manufacturer: Aastra
Manufacturer Part No: A1733-0131-10-05

Free Shipping on all orders!
Most orders ship within 1 business day.
1-year warranty

Aastra 9143i (33i)

Aastra 9143i (33i) - Features*

  • Multi-proxy support
  • XML browser
  • Local 3-way Conference
  • Paging and auto-answer capabilities
  • Live dial pad support
  • Busy Lamp Field (BLF)
  • Shared call and bridged line appearances
  • Broadsofts BroadWorks Enhanced SIP supports Shared Call Appearances, CommPilot Call Manager, Call Park/Pickup, Priority Alerting
  • Sylantros SIP- supports Bridged Line appearances (BLA), ComCierge, Call Park/Pickup, Conference, SIP-B, and others

* Feature availability dependant on IP telephony systems

Aastra 9143i  - Overview 

XML Browser

The Aastra 9143i (33i) is equipped with XML browser capabilities and a 3 line display with context sensitive keys 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 9143i (33i) 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 7 programmable keys, the Aastra 9143i (33i) 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, group paging 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.

Aastra 9143i (33i) Specifications

Feature Keys
 Up to 9 lines with call appearances
 3 line/call appearance buttons with LEDs
 4 navigational keys
 7 programmable buttons with LEDs
 2 volume control keys
 10 dedicated hard keys including Conference, Call Transfer, Redial, Options, Directory, Callers, Save, Delete, Speaker/ Headset, Mute

Audio and Codecs

 Hearing aid compatible (HAC) handset
 Full-duplex quality speakerphone
 Independent volume setting for handset/ speaker/headset
 Echo cancellation
 Comfort noise
 Packet loss concealment
 G.711 -law / A-law
 Modular Headset Connector with built-in amplifier
 Non-amplified business headsets recommended

Display and Indicator

 3 line adjustable backlit LCD display
 LED for call and message waiting indicator


 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)
 Secure Real-Time Protocol (SRTP)

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


 Visit for anup to date listing of approved vendor/ interoperability


 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


 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 DHCP options 66, 60 & 43
 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
 IEEE 802.1x protocol support


 AC wall adapter (48V DC) included
 Integrated IEEE 802.3af Power Over Ethernet (PoE) support

Package Contents

 Aastra 9143i phone
 Handset coil cord
 AC adapter
 Desk Stand
 Ethernet cable
 Installation Guide
 Key Card and Plastic Lens


 20.2 cm W x 19.5 cm D x 8.0 cm H (8.0W x 7.7D x 3.2H)
 842 g (29.7 oz)
 Wall mountable

Operating Conditions

 Temperature: 0C to 50C (32F to 122F)
 Relative Humidity: 20% to 90%, noncondensing
 Storage Temperature: -50C to 70C (-58F to 158F)


CE /Europe
 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
 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

Part Numbers

 A1733-0131-10-05 9143i North America

If you want to buy a certain quantity and want a volume discount, submit this form and a sales advisor will be in touch with you shortly.
Looking for a manual for your product? Check out our free product manual directory by clicking here.

Needs to find a local technician to service your equipment? Our map of local technicians can help you find experts in your area that can help. Click here to view map

Need help adjusting the time? We provide a tutorial on setting the clock on major phone system brands here.

Need to contact the product manufacturer? click here to see a directory of their phone numbers.