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.
This system offers advanced XML capability to access custom applications and can support up to 9 calls simultaneously. The 55i is ideally suited for moderate to heavy telephone users who require more one touch feature keys and XML based programs.
55i Features:
- Corded Voice Over IP Phone
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- Voice Over Internet Protocol (VoIP)
- Session Initiation Protocol (SIP)
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- Up to 9 Call Appearance Lines
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- Expandable Up To 3 Modules
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- Digital Duplex Speakerphone
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- Modular Headset Connector With Built-In Amplifier
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- 144x75 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 55i IP Phone requires the following environment:
- SIP-based IP PBX system or network installed and running with a SIP account created for the 55i 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).
Click Here For Product Brochure (PDF File)
Expansion Phone Module:
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