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 or common areas , where single line high-quality SIP communication is required. Key Features: • 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 they 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.
Physical • 20.8 cm W x 23.5 cm D x 8.0 cm H (8.2”W x 9.3”D x 3.2”H) • 889g (31.3 oz) • 4 positions footstand • Wall mountable
Power • Integrated IEEE 802.3af Power Over Ethernet (PoE) support • AC wall adapter (sold separately)
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
Security • User and administrator level passwords • Encryption of configuration files • HTTPS configuration download and web management • Phone lock with PIN • TLS and SRTP*
Networking • Dual 10/100 Mbps switched Ethernet ports • Manual or Dynamic Host Configuration • Protocol (DHCP) IP address setup • Time and date synchronization using SNTP • Quality of Service (QOS) support: IEEE 802.1 p/Q VLAN and priority tagging Type of Services (TOS) 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
Interoperability • 5xi series common interoperability certifications. See latest software release notes for up to date information
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 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)
( * Feature availability dependent on IP telephony system )