Aastra Telecom Aastra 51I user manual

Summary of the content on the page No. 1

IP Telephones
Aastra 51i
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 suite

Summary of the content on the page No. 2

www.aastratelecom.com Aastra 51i Technical Specifications Physical Security » 20.8 cm W x 23.5 cm D x 8.0 cm H (8.2”W » User and administrator level passwords x 9.3”D x 3.2”H) » Encryption of configuration files » 889g (31.3 oz) » HTTPS configuration download and web » 4 positions footstand management » Wall mountable » Phone lock with PIN » TLS and SRTP* Power Networking » Integrated IEEE 802.3af Power Over Ethernet (PoE) support » Dual 10/100 Mbps switched Ethernet » Optional midspan Power

Summary of the content on the page No. 3

IP Telephones Aastra 55i Exceptional Features and Value in an Advanced Featured, Expandable IP Telephone The Aastra 55i offers powerful features and flexibility in a standards based, carrier-grade advanced level expandable IP telephone. With a sleek and elegant design, 144 x 75 pixel backlit LCD display and 6 dynamic context-sensitive softkeys, the 55i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for

Summary of the content on the page No. 4

www.aastratelecom.com Aastra 55i Technical Specifications Physical Expansion Module » 23.5 cm W x 20.8 cm D x 8.0 cm H » A astra 536M – 36-keys paper label (9.3”W x 8.2”D x 3.2”H) module with LEDs » 940 g (33.0 oz) • Scalable up to 3 modules or 108 keys » 4 positions footstand • No additional external power » Wall mountable required; direct power from phone Power Localization » AC wall adapter included » Multi-lingual support – English, French, » Integrated IEEE 802.3af Power Over Spanish,

Summary of the content on the page No. 5

IP Telephones Aastra 57i Exceptional Features and Value in a Fully Featured, Expandable IP Telephone The Aastra 57i offers powerful features and flexibility in a standards based, carrier- grade advanced level expandable IP telephone. With a sleek and elegant design, large 144 x 128 pixel graphical backlit LCD display and 6 dynamic context-sensitive softkeys, the 57i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and

Summary of the content on the page No. 6

www.aastratelecom.com Aastra 57i Technical Specifications Physical Localization 23.5 cm W x 20.8 cm D x 8.0 cm H » Multi-lingual support – English, French, » (9.3”W x 8.2”D x 3.2”H) Spanish, Italian, German 940 g (33.0 oz) • Downloadable language pack support » for customization and additional » 4 positions footstand Wall mountable language translations » » Country-specific call progress tones and Power cadences » A C wall adapter included Networking » Integrated IEEE 802.3af