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ATCOM A21 User Manual
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A2X(W)/A20LTE IP Ph
one User Manual
ATCOM TEC
HNOLOGY C
O., LI
MITE
www.atcom.cn
14
1
.
1
1
.
2
.
I
ns
t
a
l
la
t
io
n
i
n
s
t
r
u
ct
i
o
n
1. Stan
d
bracket in
stallation instru
c
tion
A.
Put the
bottom sid
e of the
IP phone upside
an
d p
r
ess one-side
joints of sta
nd bracket
into the
slo
t, p
lease refe
r
the pict
u
re as
below
:
13
15
Table of Contents
Table of Contents
2
Contact ATCOM
5
Overview of A2X(W)/A20LTE
6
Interface
7
Hardware
7
LTE Data Parameters
7
Software
8
Network
9
Management and Maintenance
9
Protocol
10
Compliant and Certified Standard
10
Packing List
10
Connection
11
Connect Wired Network
11
Connect Wifi Network
11
Connect LTE Network
12
Installation
13
Connecting Port Introduction
13
Installation Instruction
14
Call Function
20
Answer the Calls
20
Make Calls
21
Pre-Dial
22
Multiple Line Dial-Up
23
Call Hold
23
Call Transfer
23
Mute Calls
24
5-Way Conference
24
Hang up the Phone
26
Voicemail
26
Keypad and GUI
27
Keypad
27
Starting
29
Standby
31
Configuration
33
Status Info
34
Call Features
36
Contacts
49
History
56
Message
59
Settings
60
Display
79
Advanced Feature
80
Codecs
80
Capture and Upgrading
81
Auto Provision
82
Export & Import Configuration File
84
Export Configuration File
84
Import Configuration File
85
Export System Log
85
Dial Plan
86
Replace Rule
87
Dial-Now
88
Area Code
89
Block out
90
WI-Fi(For A20W and A20WAC)
91
Configure the WIFI on the Phone
91
Configure the WIFI on the WEB
91
Enterprise Wifi
92
LTE Network (for A20LTE)
93
Configure the LTE on the Phone
93
Configure the Account on the LTE Network
93
Faq
94
How to Reset to Factory
94
Upgrade the Firmware on Safe Mode
95
How to Make IP Peer to Peer Call
95
Troubleshooting
97
The Phone Is Failed to Register to SIP Server
97
The Phone Is Failed to Gain IP Address
97
Only One Party Can Hear from Another on Calling
97
Abbreviation
98
FCC Caution
99
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Quick Start Guide
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ATCOM A21 Specifications
General
Brand
ATCOM
Model
A21
Category
IP Phone
Language
English
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