Specifications
Manuals
Brands
Yealink Manuals
Computer equipment
SIP-T4X
11
12
13
14
15
16
17
18
19
20
XM
L
B
r
o
wser
Develop
er
’s Guid
e f
or Y
e
alink
SI
P
-
T4
X IP Ph
ones
8
1
...
...
10
11
12
13
14
...
...
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