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Aastra Telecom
Enterprise VOIP Features & Reliability
Aastra Telephones are designed with style, features and options for every type of home and office use. Aastra IP phones work with Asterisk, Pingtel, Switchvox & many other SIP enabled voip vendors.EUS Networks has extensive experience with this vendor and stands behind their offerings.
VoIP Telephone Features Matrix
Aastra Phones
31i
53i
55i
57i
57i CT Handset
6739i
Lines
6
9
9
9
X
9
Programmable Hardkeys
8
4
6
8
8
X
Programmable Softkeys
X
X
6
12
+ 2
55
PoE
Yes
Yes
Yes
Yes
+ Battery
yes
AC Wall Adapter
Yes
Yes
Yes
Yes
Yes
Optional
Web UI
X
Yes
Yes
Yes
X
Yes
Cordless Mobility
N/A
N/A
N/A
N/A
2.4 GHz
N/A
XML Browser
Yes
Yes
Yes
Yes
X
Yes
G.711 μ-law / A-law
Yes
Yes
Yes
Yes
X
Yes
G.729 (annerx B)
Yes
Yes
Yes
Yes
X
Yes
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