Aastra 51i User Manual
Aastra 51i
IP Telephones
PMS 293C
PMS 298C
Your Connection to the World
Key Features and Benefits:
XML Browser
The Aastra 51i 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 51i to meet your specific business needs or vertical
applications using the display keypad.
Enhanced Call Management
With extensive storage capacity for personal directory, callers log, and redial list,
the Aastra 51i 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 and call waiting 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
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Exceptional Features and Value in a Basic Level IP Telephone
The Aastra 51i offers features and flexibility in an open-standards
based, carrier grade basic level IP telephone. With a sleek and elegant
design and LCD display the 51i is fully interoperable with leading IP
Telephony platforms, offering advanced XML capability to access custom
applications and support for high-quality SIP communications.
Part of the 5i Series of IP telephones, the 51i is ideally suited for light
use small and medium business applications such as lobbies, common
areas or individual user environments where single line high-quality SIP
communication is required.
Feature Highlights*
1 call appearance
Shared call and bridged line
appearances
Distinctive ringing, priority alerting
XML browser
Personal directory
Call forward, Call transfer, Call
waiting
Caller and calling line information
Callers log
Intercom reception with auto-
answer
Redial list
Do Not Disturb
Live dial pad support
Supports Busy Lamp Field (BLF)
monitoring by other end points*
Digium’s Asterisk – Bridged Line
Appearances (BLA), Intercom
Broadsoft’s BroadWorks Enhanced
SIP – supports Shared Call
Appearances, CommPilot Call
Manager, Call Park/Pickup, Priority
Alerting
Nortel’s MCS 5100/5200 SIP support
– Voicemail, and NAT Traversal
support
Sylantro’s SIP–B support - Last
Call return, Warn line and Hot Line,
Distinctive ringing, Call Park/Pickup,
and Centralized Conferencing
among others
* Feature availability dependant on IP telephony systems
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