Aastra 55i

Aastra 55i – IP telephone with backlit LCD display and 144x74 pixel resolution, supports 9 simultaneous voice connections, PoE, two 10/100 Mbps Ethernet ports, DHCP, SNTP, NAT.

With exceptional features, outstanding specifications and advanced IP telephony functions, the Aastra 55i offers an IP phone that meets modern standards and has the ability to expand functionality. Sleek, elegant design, backlit LCD display with a resolution of 144x74 pixels, 6 context-sensitive function keys - these are the advantages of the Aastra 55i IP phone, which supports most modern SoftSwitches and 9 simultaneous voice connections, and has XML functionality for access to applications from the device. As part of the Aastra IP phone family, the 55i is ideal for use by "complex clients" who require more "one-button" push-to-receive functions, as well as XML-oriented applications.

Main characteristics of the IP phone Aastra 55i:

* XML Browser

The Aastra 55i is equipped with an XML browser, allowing access to a variety of standard functions and applications from the phone. Any operator can develop internal programs using documentation supplied by Aastra. This capability allows for a potentially infinite expansion of the phone's functionality for business applications or server applications that require a screen and keyboard to operate.

* Advanced call control

Together with a large amount of information stored in the phone book, call history, 12 programmable keys, the Aastra 55i demonstrates efficiency in operation, thanks to the user receiving call information at the touch of a single button.

* Extension

The Aastra 55i supports up to three modules, each with 36 keys and indicator lights, allowing you to create a large, functional console.

* Quality of language

High-quality speakerphone with excellent speech transmission quality – functionality and quality tested over the years and confirmed by its own brand.

* Easy to maintain

From initial telephony deployment to upgrades and feature development, the Aastra family of phones is a smart choice for investment protection in both time and money. Two Ethernet ports eliminate additional cabling and make installation easier. Built-in IEEE 802.3af Power-over-Ethernet receivers make deployment more convenient, allowing centralized power management and easy power redundancy. Simple configuration files editable with a standard text editor make centralized setup easy and straightforward.

Technical characteristics of the IP phone Aastra 55i:

Physical

* 20.8 cm Width x 23.5 cm Depth x 8.0 cm Height
* 895 g

Nutrition

* AC adapter included
* Built-in IEEE 802.3af Power Over Ethernet (PoE)

Tube / Headsets

* Modular RJ9 headset jack compatible with most headsets
* The handset is compatible with analogues
* High quality speakerphone

Display

* 144x75 graphic LCD display with soft white backlight
* LED call and mailbox message signaling

Additional keys

* 4 control keys
* 4 keys with indicators for selecting lines
* 6 context keys
* 6 programmable keys with indicators
* 8 preset keys to access functions such as: Bye, Settings, Call Hold, Redial, 2x Volume, Speaker/Headset, Mute

Networking capabilities

* Two 10/100 Mbps Ethernet ports
* Manual or automatic (DHCP) assignment of IP addresses
* Time synchronization via SNTP
* IEEE 802.1p/Q VLAN QoS and Priority, TOS and DiffServ
* NAT
* Built-in HTTP for management and configuration
* DNS-SRV support or local BackUp server
* Possibility to use configuration files

Protocols / Codecs

* IETF SIP (RFC3261)
* G.711 m-law/A-law
* G.729

Key Benefits *

* Notebook
* Call transfer
* Call transfer
* Standby mode
* Information about incoming and outgoing subscribers
* Call history
* Conference
* List of dialed numbers
* One-click call

*Functionality available depending on IP system