Aastra 57i IP Telephone (A1757-0131-10-05)

Manufacturer’s Description

Aastra 57i IP Telephone (A1757-0131-10-05) The Aastra 57i offers powerful features and flexibility in a standards based carrier-grade advanced level IP telephone. Aastra 57i Features 144 x 128 pixels backlit LCD display Supports up to 9 lines with call appearances 4 call appearance lines with LEDs 4 navigational keys 12 customizable softkeys with LEDs 8 fixed feature keys - goodbye options hold redial speakerphone/headset toggle mute 2 volume keys Full duplex speakerphone and message waiting light Integrated amplified headset port Supports up to three Aastra M670i expansion modules (36 keys ea.) or up to three advanced Aastra M675i (60 keys ea.) expansion modules Advanced XML capability to access custom applications Simplified deployment Dual 10/100 Mbps Ethernet ports Broad interoperability with SIP based platforms Powered by Power over Ethernet (802.3af PoE) or AC wall adapter (included) Buy with Confidence. Your order also includes MetrolineDirect's Rock Solid One Year Warranty PLATINUM PROTECTION : This product is eligible for a 2 Year Replacement Warranty!

The Specs

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