LV switch SIP-T790 User manual

SIP-T790 / T790 (P/G/W/K)
User Manual
Document version:V.3.0.2
Release date:2021-5-13

SIP-T790 IP Phone User Manual
2
Copyright
Copyright © 2020 LVswitch (Guangdong) Information Technology Co., Ltd. Copyright,
all rights reserved.
Without the express written permission of LVswitch (Guangdong) Information
Technology Co., Ltd., no unit or individual may copy, copy or translate part or all of this
manual without authorization.
It shall not be used in any form or any method (electronic, video, printing or other
methods) for commercial purposes, profit purposes, and LVswitch (Guangdong)
Information Technology Co., Ltd. will not bear any responsibility for any property or other
losses caused by illegal actions. .
When this document is used for network dissemination, the company allows users to
download or print it for private use.
Guarantee
The product specifications and consultations mentioned in this manual are for reference
only, and will not be notified if the content is updated. Unless there is a special
agreement, this manual is only used as a guide, try to provide the most accurate
statements, information and suggestions, and does not guarantee any express or implied
structure. The user shall bear full responsibility for the application of the product.
LVswitch (Guangdong) Information Technology Co., Ltd. does not make any guarantees
for this guide, including but not limited to implied merchantability and special purpose
guarantees. LVswitch (Guangdong) Information Technology Co., Ltd. shall not be liable
for any indirect or incidental losses caused by incorrect use of this guide.
Statement
CE mark
This device complies with the European Union's safety directive 2014/35/EU and
electromagnetic compatibility directive 2014/30/EU.
Part 15 of FCC Regulations
The device complies with Part 15 of the FCC regulations. The following two requirements
should be followed when working.
1. The device will not cause harmful interference.
2. This device must accept any interference received, including interference that may
cause unintended operation.
This equipment complies with the basic requirements of CE, FCC
and other relevant regulations. You can view the CE and FCC
information on the label on the back of the phone.

3
WEEE Mark
Customer Feedback
We are working hard to improve the quality of the documentation and would love to receive
your feedback. If you have any suggestions or questions about the content of the document,
please send your feedback to the following mailbox:[e-mail].
Since electronic products contain certain hazardous substances, in order to
properly dispose of these electronic and electrical wastes and at the same time
recover precious resources, when users intend to discard this product, it
should not be discarded with other household wastes, and should be treated

SIP-T790 IP Phone User Manual
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Writing purpose
Thanks for using the T790 IP phone. SIP-T790 is a simple office phone with rich functions.
In addition, it also has high-definition sound quality, unique appearance design, multi-
language interchange; supports dual network ports, POE power supply; compatible with
many manufacturers' service platforms, such as IPPBX , Cloud PBX, IMS core network,
softswitch, etc.; the detachable bracket can have multiple viewing angles, 2 customizable
function buttons and a friendly user interface fully meet the needs of users for
communication and collaboration.
SIP-T790/SIP-T790 (P/G/W/K) use the same firmware, the software functions are the
same, and the difference lies in the hardware. The following table describes the
differences between these hardware.
Product model
Specification
SIP-T790
Normal version
SIP-T790(P/G/W/K)
P (With PoE supply)
G (Carry Gigabit Ethernet port)
W (Carry WIFI module)
K (Carry expansion module external
network port)
This guide contains all the functions of the phone and instructions for use, so that users
can be familiar with the functions of the T790 IP phone. Before installing the phone,
please read the safety instructions and the contents of the packing list in this guide to use
the phone safely and quickly.
For more help, please contact your network administrator or dealer.
Outline
This guide contains the following:
1.Outline
2.Notes for safe use
3.Getting started with the Phone
4.Phone customization
5.Basic Function
6.Advanced Features

5
Catalog
Copyright ______________________________________________________________ 2
Guarantee _____________________________________________________________ 2
Statement ______________________________________________________________2
CE mark ____________________________________________________________________2
Part 15 of FCC Regulations ___________________________________________________ 2
WEEE Mark _________________________________________________________________3
Customer Feedback _____________________________________________________ 3
Writing purpose _________________________________________________________ 4
Outline _____________________________________________________________________ 4
Catalog ________________________________________________________________ 5
1. Outline ______________________________________________________________ 8
1.1 Hardware composition ____________________________________________________ 8
1.2 Display icon description __________________________________________________ 10
1.3 Indicators Description ____________________________________________________ 11
1.4 Configuration interface description _________________________________________ 11
1.4.1 Phone LCD Configuration ____________________________________________________ 11
1.4.2 Web interface configuration ________________________________________________ 11
1.4.3 Mobile phone scan code configuration _______________________________________ 12
1.5 Usage Documentation ___________________________________________________ 14
2. Notes for safe use ___________________________________________________ 15
3. Getting started with the phone _________________________________________ 16
3.1 Packing list _____________________________________________________________ 16
3.2 Phone installation _______________________________________________________ 18
3.2.1 Install the base _______________________________________________________________ 18
3.2.2 Connect handle, headset (optional) _____________________________________________ 19
3.2.3 Connect power and network cable ______________________________________________19
3.3 Phone initialization ______________________________________________________ 21
3.4 Phone standby interface __________________________________________________21
3.5 Check phone status _____________________________________________________ 21
3.6 Set up phone network ____________________________________________________22
3.7 Register an account _____________________________________________________ 25
3.8 Phone input method _____________________________________________________ 25
4. Phone customization _________________________________________________ 27
4.1 Basic setting ____________________________________________________________ 27
4.1.1 Language ___________________________________________________________________ 27
4.1.2 Time & Date _________________________________________________________________ 28
4.1.3 Call out button _______________________________________________________________ 31
4.1.4 Keypad Lock _________________________________________________________________ 32

SIP-T790 IP Phone User Manual
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4.2 Voice setting ____________________________________________________________34
4.2.1 Volume setting _______________________________________________________________ 34
4.2.2 Ringtone setting ______________________________________________________________ 35
4.2.3 Key tone ____________________________________________________________________ 36
4.2.4 Signal tone __________________________________________________________________ 36
4.3 Contact management ____________________________________________________ 38
4.3.1 Local contact _________________________________________________________________38
4.3.2 Blacklist _____________________________________________________________________ 45
4.3.3 LDAP configuration ___________________________________________________________ 47
4.4 CDR (call history) management ___________________________________________ 50
4.5 Accessories customization ________________________________________________51
4.5.1 Headset _____________________________________________________________________ 52
4.5.2 Extension module ____________________________________________________________ 52
4.6 System customization ____________________________________________________59
4.6.1 Account management _________________________________________________________59
4.7 Programmable key ______________________________________________________ 60
4.7.1 Account key _________________________________________________________________ 60
4.7.2 Account key function type description ___________________________________________ 61
4.7.3 Programmable function keys ___________________________________________________62
4.7.4 Programmable function keys type description ____________________________________ 63
4.8 Dial plan _______________________________________________________________ 64
4.8.1 Dial plan syntax ______________________________________________________________ 65
4.8.2 Dial plan function _____________________________________________________________ 65
5. Basic function _______________________________________________________ 72
5.1 Make a call _____________________________________________________________ 72
5.2 Answer the call __________________________________________________________74
5.3 End the call _____________________________________________________________74
5.4 Redial _________________________________________________________________ 74
5.5 DND ___________________________________________________________________ 75
5.6 Call Forward ____________________________________________________________ 76
5.6.1 Active transfer _______________________________________________________________ 76
5.6.2 Auto transfer _________________________________________________________________ 76
5.7 Call Transfer ____________________________________________________________78
5.7.1 Blind Transfer ________________________________________________________________ 78
5.7.2 Inquiry transfer _______________________________________________________________ 80
5.8 Auto Answer ____________________________________________________________ 81
5.9 Anonymous Call _________________________________________________________81
5.10 Hotline ________________________________________________________________ 82
5.11 QR code ______________________________________________________________ 83
5.12 Conference ____________________________________________________________83
5.13 Upgrade ______________________________________________________________ 85
5.14 Upload ringtone ________________________________________________________ 85
6. Advanced Features __________________________________________________ 87
6.1 BLF (Busy Lamp Field) ___________________________________________________87
6.1.1 Configure BLF button _________________________________________________________ 87
6.1.3 Use BLF Function ____________________________________________________________ 88

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6.2 Intercom _______________________________________________________________ 89
6.2.1 Set the intercom function button ________________________________________________ 89
6.2.2 Intercom function setting ______________________________________________________ 89
6.2.3 Intercom function description __________________________________________________ 89
6.3 Multicast _______________________________________________________________ 90
6.3.1 Multicast configuration ________________________________________________________ 90
6.3.2 Paging list configuration _______________________________________________________ 91
6.3.3 Receive multicast RTP stream _________________________________________________ 93
6.3.4 Multicast use _________________________________________________________________94
6.4 Message _______________________________________________________________ 94
6.4.1 SMS ________________________________________________________________________ 94
6.4.2 Voicemail ____________________________________________________________________97
6.5 TR069 _________________________________________________________________ 98
6.6 Configuration management _______________________________________________ 99
6.7 Auto Provision _________________________________________________________ 100
6.7.1 Preparing steps _____________________________________________________________ 100
6.7.2 Automatic update operation steps: _____________________________________________101
6.8 SIP configuration _______________________________________________________ 103
6.8.1 SIP Session Timer ___________________________________________________________103
6.8.2 Local SIP port and TLS SIP port ______________________________________________ 104
6.9 Action URL ____________________________________________________________ 105
6.9.1 The action that can realize reporting to the server _______________________________ 105
6.9.2 Variable description __________________________________________________________108
6.9.3 Web page configuration description ____________________________________________108
6.10 Trusted Certificates ____________________________________________________109

SIP-T790 IP Phone User Manual
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1. Outline
This chapter mainly provides a brief overview of the T790 IP phone. The main
contents are as follows:
1.1 Hardware composition
1.2 Display icon description
1.3 Indicator description
1.4 Configuration interface description
1.5 Use documentation
1.1 Hardware composition
The hardware components of the T790 phone mainly include a panel control panel, an
LCD display, a handle and an external expansion disk. The details are as
follows:
Item
Name
Description
1
Handle handset
Audio output when using the handle to make a call
2
microphone
Audio input when using the handle to make a call
3
Hookswitch
Handle placed/hookswitch pressed——hang up
Handle lift/hookswitch bounce——pick up
Pak hook ——Flash operation

9
4
Handle hook
Used to fix the handle
When the phone is wall-mounted, put the hook protruding
position upward
5
Speaker
The phone outputs audio during a hands-free call
6
LCD
Display the information of the phone:
-Register account information(Display name,display
number)
- Time and date
- Reminder icon(For details, please refer to the display
icon description)
- Messages(Incoming call, missed call, email message)
- Operation prompt
7
Breathing light
- Call reminder breathing light》Fast flashing
- Message reminder breathing light》slow flashing
For details, please refer to the indicator description
8
Account key
- shift the account
- Intercom button
- Caller ID call account light
9
4 soft
keys(below the
LCD)
Corresponding to the four function names at the bottom of
the display(For example, there are 4 soft key functions
displayed on the main interface: History,Dir,DND,Menu)
These four soft keys will change with the operation of the
phone keys. In the function description below, the soft
keys refer to these four keys. The soft key functions
correspond to the text at the bottom of the display screen.
10
Numeric keypad
Provide number input, uppercase and lowercase letter
input, punctuation input(* # . :)
11
Up, down, left
and right buttons
Options for switching
12
button
- Function setting confirmation operation
-Dial after entering the number
- Answer the call
- Check the network status(IP address、MAC address、
version etc)
13
Headset
Key(Headset)
Press the headset button to turn the audio to the headset,
you must plug in the headset to use the headset mode.For
details, please refer to the use of headset
14
SMS Key
(Old SMS)
(Message)
Configuration Voicemail feature code, this feature code is
provided by IPPBX, after configuration, press the number
to quickly query voicemail messages.
15
Mute KEY
(Mute)
Press the mute button during a call to mute the call
16
Call
transfer/transfer
button (Transfer)
- Blind transfer
- Inquiry transfer
- Quickly switch call forwarding when the phone is idle

SIP-T790 IP Phone User Manual
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It can also be achieved through the soft keys at the bottom
of the screen
17
Volume up and
down
buttons
Provide 0-15 levels volume setting
18
RD Button
(Redial)
Used to redial
19
Speaker Button
(Speaker)
Used for hands-free calling.
1.2 Display icon description
T790 display screen mainly used icons and their corresponding descriptions are as
follows:
Type
ICON
Description
Account
Account is not activated/not registered
Registering
Registered
Voice
status
DND
Auto answer
Missed calls
Voice mail
Test Message
The mute mode
Speaker phone mode
Handset mode
Headset mode
Call mute
Call forwarding enabled
Call list
icon
Missed call
Received call
Dialed call