Aastra Telecom 57i IP Phone

IP Phone, VoIP - SIP, Codecs - G.729, G.711u, G.711a, Protocols - FTP, TFTP, HTTP, DHCP, NAT, SNTP

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.

Price Range: $197 - $224

Compare Prices (4) – Aastra Telecom 57i IP Phone

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Notes	Store Rating	Price	Tax & Shipping	Buy
In Stock	14 store reviews	$197.00	Enter Zip Code: to see Tax & Shipping	The Telecom Spot
In Stock New	No Store Rating	$198.95		Telephony Depot
In Stock Same Day Shipping	No Store Rating	$219.95		VoIP Supply
In Stock Brand New, Orders Before 4PM S...	104 store reviews Trusted Store	$223.95 Best Price from a Trusted Store		FactoryOutletStore

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Specifications – Aastra Telecom 57i IP Phone

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Product MPN

MPN: A1757-0131-10-55

Key Features

Type: IP Phone

Standards and Protocols

VoIP Signaling Protocol:  SIP
Protocol:  FTP, TFTP, HTTP, DHCP, NAT, SNTP
Codec:  G.729, G.711u, G.711a
Supplementary Service:  Call Transfer (H.450.2), Call Waiting (H.450.6)

Display and Controls

Keyboard:  Numeric Keypad
Buttons:  Headset Volume, Speakerphone Volume, Redial, Mute, Hold, Conference
Display Type:  Color LCD

Miscellaneous

Power Source:  Power over LAN / IEEE 802.3 af / PoE, AC-DC Power Adapter
Additional Features:  Speaker
Product ID:  50729878