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Voice Over IP Phones |
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Aastra 57i
Includes One Year Manufacturer's Warranty
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Item #A1757-0131-10-05
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- Corded Voice Over IP Phone
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- Voice Over Internet Protocol (VoIP)
- Session Initiation Protocol (SIP)
Enabler Protocol for Telephony & Voice Over IP (VoIP) Services
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- Up to 9 Call Appearance Lines
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- Digital Duplex Speakerphone
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- Modular Headset Connector With Built-In Amplifier
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- 144x128 Graphical LCD Display
Soft White Backlight For User Comfort
In Any Lighting Environment
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- LED For Call & Message Waiting Indicator
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- AC Powered (Adapter Included)
- Integrated IEEE 802.3af
Power Over
Ethernet (PoE) Support
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- Multilingual Menu Support (English, French, Spanish, Italian, & German)
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VoIP Features:
- Dual 10/100 Mbps Switched Ethernet Ports
- Manual or DHCP IP Address Setup
- Time / Date Synch Using SNTP
- NAT, QOS, TOS, & Differentiated Services Code Point
- Built-In HTTP/HTTPS Server
For Web Administration & Maintenance
- Voice Codec Support: G.711 µ-law / A-law, G.729
- Protocols: IETF SIP (RFC3261 & Associated RFCs)
The 57i IP Phone requires the following environment:
- SIP-based IP PBX system or network installed and running with a SIP account created for the 57i phone.
- Access to a Trivial File Transfer Protocol (TFTP), File Transfer Protocol (FTP), Hypertext Transfer Protocol (HTTP) server, or Hyper Text Transfer Protocol over Secure Sockets Layer (SSL) (HTTPS).
- 802.3af Ethernet/Fast Ethernet LAN
- Category 5/5e Straight Through Cabling
- Power over Ethernet (PoE) Inline Power Injector (Optional Accessory - Necessary Only if Your Network Provides No Inline Power & if You Do Not Use the IP Phone’s Power Adapter).
The 57i from Aastra 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 support for up to 9 calls simultaneously. Part of the Aastra family of IP telephones, the 57i is ideally suited for executives and heavy telephone users who require more one touch feature keys and a large screen to take full advantage of XML based programs.
Click Here For Product Brochure (PDF File)
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