Grandstream Networks GAC2500 Instruction Manual

Grandstream Networks, Inc.
GAC2500
Administration Guide

GAC2500 - Administration Guide
WELCOME
Thank you for purchasing Grandstream GAC2500 Audio Conference Phone for Android . This User Guide describes the basic
concept and tasks necessary to use and configure your GAC2500. This document covers the topics of conference environment
setups, start conference and the relevant operations like conference reservation. To learn the advanced features and
configurations, please visit http://www.grandstream.com/support/resources/?title=GAC2500 to download the latest “GAC2500
Administration Guide”.
GAC2500 is a next generation enterprise-grade 6-line Android IP conference phone with a 4.3″ capacitive touch screen that
that runs the Android Operating System and therefore offers full access to the hundreds of thousands of Android apps in the
Google Play Store, including business productivity apps such as Skype™, Skype for Business™, and Google Hangouts™. The
phone features Gigabit ports, 7-way conference, 3x microphones, 1 Micro USB port, integrated WiFi and Bluetooth for
network flexibility. The GAC2500 delivers superior HD audio quality, rich and leading-edge telephony features, automated
provisioning for easy deployment, advanced security protection for privacy, and broad interoperability with most 3 party SIP
devices and leading SIP/NGN/IMS platforms. GAC2500 is a perfect choice for enterprise users looking for a high performance,
feature rich conference phone with superb audio quality at competitive price.
PRODUCT OVERVIEW
Feature Highlights
The following tables contain the major features of the GAC2500:
Table 1: GAC2500 Features in a Glance
TM
rd
GAC2500
●Runs Android™ 4.4 and offers full access
to all Android™ conference apps in the
Google Play Store (e.g., Skype™, Skype
for Business™, Google Hangouts™, etc.)
●World-class high-fidelity sound quality
with audio bandwidth of up to 18Khz
●4.3" capacitive touch screen LCD with
support for flexible layout/content
customization
●3x microphones (12 ft. pickup range), 1x
speaker (15 ft. coverage range)
●Auto-sensing Gigabit Ethernet port, Wi-Fi,
PoE+, Bluetooth, Micro-USB with
3.5mm audio interface
●Supports standalone IP mode or USB slave
mode
●Supports daisy chain (up to 2 units via
RJ48 CAT5) mode in large conference
room for better audio quality
●NAT-T enables the phone being the Plug
and Play device
●Automated provisioning using TR-069 or
AES encrypted XML configuration file,
TLS/SRTP/HTTPS for advanced security
and privacy protection

GAC2500 Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported, voice codecs,
telephony features, languages and upgrade/provisioning settings for the GAC2500.
Table 2: GAC2500 Technical Specifications
Protocols/St
andards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE,
SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLSv1.1, TLSv1.2, SRTP, IPv6,
OpenVPN(pending)
Voice Codec Support for G.711µ/a, G.722, G.726, iLBC, Opus, G.722.1 and G.722.1c (pending), in-band and out-of-band
DTMF (In audio, RFC2833, SIP INFO), G.729A/B, VAD, CNG, AEC, PLC, AJB, AGC
Platform
Bridging
Bridge SIP calls with any Android™VoIP apps such as Skype™, Skype for Business (Lync), Google
Hangouts™and more
Telephony
Features
Hold, transfer, forward (unconditional/no-answer/busy/conditional), call park/pickup, 7-way audio
conference, auto answer, downloadable XML phone book (up to 2000 entries), LDAP, call waiting, call
history (up to 2000 entries), flexible dial plan, personalized music ringtones, server redundancy & fail-over.
Sample
Applications
Skype™, Google Hangouts™, Skype for Business (Lync), Web browser, Facebook™, Twitter™, YouTube,
Google calendar, mobile phone data import/export via Bluetooth, etc. API/SDK available for advanced
custom application development
Application
Deployment Allows Android 4.4compliant applications to be deployed in the device with provisioning control
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted
configuration file, TLSv1.1, TLSv1.2, 128/256-bit SRTP/TLS, HTTPS, 802.1x media access control
Multi-
Language
English, German, Italian, French, Spanish, Portuguese, Russian, Turkish, Polish, Chinese, Korean, Japanese,
and more
Upgrade/
Provisioning
Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using TR-069 or AES
encrypted XML configuration file
Network
Interface
1x auto-sensing Gigabit Ethernet port, integrated 2.4GHZ auto-band Wi-Fi (802.11a/b/g/n) and 4.0
Bluetooth.
HD Audio 3x microphones (12 ft. pickup range), 1x speaker (220-18,000 Hz, 15 ft. coverage range up to 86dB)
Auxiliary
Ports 3.5mm audio interface, Micro-USB interface, RJ48interface, reset pin
Graphic
Display 4.3″ (800*480)capacitivetouch screen LCD
Power &
Green
Energy
Efficiency
Universal power adapter included:
Input: 100-240VAC 50-60Hz; Output: 12VDC, 2A (24W)

Temperatur
e and
Humidity
Operating: 32 – 104oF / 0 – 40oC
Storage: 14 – 140oF / -10 – 60oC
Humidity: 10% to 90% Non-condensing
Compliance
FCC: Part 15 (CFR 47) Class B; UL 60950 (power adapter)
CE：EN55022 Class B，EN55024，EN61000-3-2，EN61000-3-3，EN60950-1，EN62479，RoHS
RCM：AS/ACIF S004；AS/NZS CISPR22/24；AS/NZS 60950；AS/NZS 4268
GETTING STARTED
This chapter provides basic installation instructions including the list of the packaging contents and also information for
obtaining the best performance with the GAC2500.
Equipment Packaging
Table 3: Equipment Packaging
GAC2500
1 x GAC2500 Main Case.
1 x 12V Power Adapter.
1 x Ethernet Cable
1 x Micro-USB Cable
1 x RJ48 CAT5
1 x Quick Installation Guide
1 x GPL License
Figure 1: GAC2500 Package Content
Note
Check the package before installation. If you find anything missing, contact your system administrator.

Powering GAC2500
The GAC2500 can be powered either using POE or PSU, please refer to the following picture to have more visibility how to
connect your audio conferencing system.
Figure 2: Powering the GAC2500
Connection Configuration
GAC2500 provides 2 connection configurations:
Standard connection (extendable cascade connection and mobile device connection).
Integrated connection (slave mode connection).
Standard Connection
1. Connect the LAN port of the GAC2500 to the RJ-45 socket of a hub/switch or a router.
2. Connect the 12V DC output plug to the power jack on the GAC2500; plug the power adapter into an electrical outlet. If
PoE switch is used in step 1, this step could be skipped.
3. The LCD will display booting up or firmware upgrading information. Before continuing, please wait for the main screen
display to show up.
4. On the web configuration interface or from the menu of the touch screen, you can further configure network connection
using static IP, DHCP and etc.

Figure 3: Connecting the GAC2500
Integrated Connection
1. Connect the 12V DC to the power jack on the GAC2500; plug the power adapter into an electrical outlet.
2. After the device boots up, connect the Micro-USB port to the USB port of GVC32xx or PC, as shown above.
3. The LCD will display the cascade connection interface, as shown below
Figure 4: Connection Interface on the GAC2500
4. Adjust the conference settings by tapping the icons on the interface
GAC2500 LCD SETTINGS
Use the Touchscreen
To fully manipulate the GAC2500 capacitive touch screen, use your fingers to operate the following on the GAC2500 icons,
buttons, menu items, onscreen keyboard and etc.
Figure 5: GAC2500 Finger Gestures on the Touch Screen
Tap
Slightly touch the screen with fingertip to initiate menu, options or applications. For example, to select items on the screen
(e.g., setting options, apps and etc.); to press onscreen buttons (e.g., “End” or “Options” soft key during the call); to type letters
and symbols using the onscreen keyboard.

Long Press
Touch the screen with fingertip and press for about 2 seconds without lifting your finger from the screen till an action occurs.
For example, long press on a picture to bring up selection option.
Flick and Slide
Touch the screen with fingertip and slide over the screen. For example, user could slide up to scroll up the page, slide down to
open dropdown menu, slide left or slide right to delete an item from the list. If your finger stays on the screen for too long,
the item may be selected and sliding won’t occur.
Press and Drag
Touch and press the item, then move it by dragging it up, down, left or right, without lifting your finger from the screen.
Zoom in/Zoom Out
Place two fingers on the screen, then pinch them together (zoom out) or spread them apart (zoom in).
Double Tap
Quickly touch the screen twice with fingertip to switch between default display and zoomed-in display. This is usually used
when viewing photos or web pages.
When the GAC2500 boots up in HOME screen, the LCD will display as below. A registered account is shown in the following
figure and users might need register their own account to have the account status displayed.
Figure 6: GAC2500 Default Home Screen
The GAC2500 LCD MENU provides easy access to the settings on the phone. Most of the settings from Web GUI could be
configured on the LCD settings as well. Go to LCD onscreen MENU and then tap on Settings shown as follows.

Figure 7: GAC2500 Settings
Personalized Account
In Personalized Account menu, all the accounts will show up with registration status displayed. Tap on one of the account to
enter the settings.
Ringtone. Select ring tone for the incoming call. If “Custom Ringtone” is selected, File Manager will be opened for users
to choose their own music files to be configured as the incoming call ring tone. Users will see the music file name as the
ring tone name in account ring tone settings in LCD as well as in web GUI.
Auto-answer. If it’s set to Yes, the GAC2500 will automatically turn on the speakerphone to answer incoming calls. If it’s
set to Enable Intercom/Paging mode, it will answer the call based on the SIP info header sent from the server/proxy;
Call forwarding. Configures call forwarding mode.
Sound
Use the Sound settings to configure how the GAC2500 rings, plays music or other media with audio, notification ringtones
and alarms.
Silent mode. Check to enable mute and uncheck to disable. Once enabled, all audio will be sent to mute except alarm
and media.
Volumes. Tap on Volume and scroll left/right to adjust the volume for Ringtone and Media.
Device Ringtone. Defines device ringtone.
Notification tone. Defines notifications ringtone.
Bluetooth
Users can configure Bluetooth connection here.
Bluetooth. Check/uncheck to turn on/off Bluetooth so that you can connect with other Bluetooth devices;
Bluetooth settings. Check/uncheck to turn on/off Bluetooth. Set up Device name, Discoverable, Discoverable timeout,
Scan for devices, etc.
Table 4: Bluetooth Settings Parameters
Parameters Descriptions

Paired device Displays paired devices like Bluetooth remote control, cellphone or speaker.
Available devices Displays all devices in the search range which have enabled Bluetooth.
Display
Brightness. Tap on Brightness and scroll left/right to adjust the brightness on the GAC2500 LCD.
Screen timeout. Tap to open the dialog where you can set the screen timeout interval before the LCD turns dark.
Commonly used soft keys guide. Trigger to enable displaying use guide indicator.
Storage
Display storage status of GAC2500.
Applications
The GAC2500 provides built-in applications for users to fully utilize the phone and features. In this section, the important
built-in applications on the GAC2500 are described in detail.
Location Access
Display whether allow to access your location.
Language & Keyboard
Language. Opens a list of language options for GAC2500 to display with.
Spell Checker. Configures whether to check spellings and select the available spell-checker tool.
Personal Dictionary. Adds new words to user’s dictionary.
Keyboard & Input Methods. Sets up default input method.
Android Keyboard (AOSP). Sets up whether to use Android keyboard or not, and configure Android keyboard.
Text-to-Speech (TTS) output. Sets up TTS.
Mouse/Trackpad. Sets up the pointer speed.
Account
The GAC2500 allows users to add Google account, Exchange account and Email account to the phone. Once the account is
associated, the contacts and other settings can be synced up on the GAC2500. For example, users could download Google
Play from GS Market. If there is a Google account set up here already, Google Play will automatically log in with the previously
added Google account. The Contact app will display all the contacts stored in the added Google account. Please refer to
chapter Manage Contacts in User Manual for more details.
Date & Time
Enable and use specified NTP server address. Assign the URL or IP Address of NTP Server.
Set date. Set the current date for the GAC2500.
Set time. Set the time on the GAC2500 manually.
Select time zone. Select time zone for the GAC2500.
Use 24-hour format. Check/uncheck to display the time using 24-hour time format or not. For example, in 24-hour
format, 13:00 will be displayed instead of 1:00 pm.

Choose date format. Select the format of year, month and day for the date to be displayed.
About Phone
About Phone lists the GAC2500’s account information, network status and system information.
Account Status. Displays the account name and registration status on the GAC2500.
Network Status. MAC Address, Address Type, IP Address, Subnet Mask, Default Gateway, DNS Server, Alternative DNS
server, NAT Type, VPN IP information will be displayed.
System Information. Displays the system version of the GAC2500.
Advanced Settings
Users could open Advanced settings to set up advanced features for Account, configure Upgrade settings, Syslog and perform
Factory Reset.
Account. Tap on one account and fill in the necessary information to register the account, which includes Account Active,
Account Name, SIP Server, SIP User ID, SIP Auth ID, SIP Auth Password, Voice Mail User ID and Display Name.
Wireless & network. Users can configure Ethernet, Wi-Fi, VPN, PPPoE and other advanced settings.
Users can configure Ethernet, Wi-Fi, VPN, PPPoE and other advanced settings under Network.
Security settings. Configure the idle screen lock, credential management, encryption phone and device administrator,
etc.
Upgrade. Fill in upgrade info.
Syslog. Select the level of logging for syslog, and he URL/IP address for the syslog server.
Factory Reset. Open and tap on Factory Reset to restore the GAC2500 to factory default settings.
Clear Master-slave Remember. Clear master-slave choose history.
Developer mode. This mode can be used via ADB tool for advanced debugging purpose.
Table 5: Account Settings Parameters
Parameters Descriptions
Account Select account.
Account
Activation
Indicates whether the account is active. If disabled, the GAC2500 will not send registration information to
SIP server.
Account
Name Configures the name associated with account to be displayed on the upper left corner of LCD.
SIP Server Specifies the URL or IP address, and port of the SIP server. This is provided by your VoIP service provider
(ITSP).
SIP User ID Configures user account information provided by your VoIP service provider (ITSP). It’s usually in the form of
digits similar to phone number or actually a phone number.
SIP
Authenticat
ion ID
Configures the SIP service subscriber’s Authenticate ID used for authentication. It can be identical to or
different from the SIP User ID.

SIP
Authenticat
ion
Password
Configures the account password required for the phone to authenticate with the ITSP (SIP) server before
the account can be registered. After saving, it will appear as hidden for security purpose.
Voice mail
access
number
Sets if the phone system allows users to access the voice messages by pressing the Voicemail icon on the
GAC2500. For example, in UCM6xxx IPPBX, *97 could be used.
Display
Name
Specifies the SIP server subscriber’s name (optional) that will be used for Caller ID display. The configured
content will be included in the “From”, “Contact” and “P-Preferred-Identity” headers of SIP INVITE message.
Show
account
name only
Displays the account name; if it is checked, the user ID will be hidden and the account name will be
displayed only.
Tel URI
Sets this field to “” User=Phone”, If the account is assigned a PSTN number. Then a “User=Phone”
parameter will be attached to the Request-Line and TO” header in the SIP request to indicate E.164 number.
If set to “Enabled”, “Tel” will be used instead of “SIP”. Default is “Disabled”.
Table 6: UCM Auto Config Number
Parameters Descriptions
Server name UCM Server name
Server URL UCM Sever URL
Port UCM server port.
Access mode Access mode to the UCM, default is HTTP.
Table 7: Ethernet IPv4 Settings Parameters
Parameters Descriptions
Address Type Allows users to configure the appropriate network settings on the device. Users could select “DHCP”,
“Static IP” or “PPPoE”.
IP Address Enters the IP address when static IP is used.
Subnet Mask Enters the subnet mask when static IP is used.
Default Router Enters the default router when static IP is used.
DNS Server 1 Enters the DNS Server 1 address when static IP is used.
DNS Server 2 Enters the DNS Server 2 address when static IP is used.
PPPoE Account
ID Enters the PPPoE account ID when PPPoE is used.

PPPoE
Password Enters the PPPoE password when PPPoE is used.
Parameters Descriptions
IPv6 address
type
Allows users to configure the appropriate network settings on the device. Users could select “DHCP” or
“Static IP”.
Static IPv6
address Enters the IP address when static IP is used.
IPv6 prefix
length Enters the IPv6 prefix length when static IP is used.
Table 8: Wi-Fi Settings Parameters
Parameters Descriptions
Enable/Disab
le
Wi-Fi
Enable/disable Wi-Fi. Once enabled, the device will search for available Wi-Fi nearby automatically and
display below.
Table 9: VPN Settings Parameters
Parameters Descriptions
Name Identify VPN network, fill in company name or server name you are connecting to.
Type Defines VPN type. By default, it’s PPTP (Point to Point Tunneling Protocol).
Server Address Fill in the VPN server URL or IP address.
PPP Encryption (MPPE) Defines whether to use PPP encryption.
Show Advanced Options Check to display more options below.
DNS Search Domain Defines search domain.
DNS Server Fill in DNS Server address.
Forwarding Routes Fill in DNS. For example,10.0.0.0/8.
Table 10: Proxy Settings Parameters
Parameters Descriptions
HTTP/HTTPS Proxy
Hostname Configures the HTTP/HTTPS proxy URI of the network.
HTTP/HTTPS Proxy Port Configures the HTTP/HTTPS proxy port number of the network.

Bypass proxy for Defines the specific URI that the GAC2500 can directly access to without HTTP/HTTPS
proxy.
Table 11: Additional Network Settings Parameters
Parameters Descriptions
LLDP Enable or disable LLDP. The default setting is disabled.
Layer 3 QoS for SIP This field defines the layer 3 QoS parameter for SIP packets. It is the value used for IP Precedence,
Diff-Serv or MPLS. The Default value is 48.
Layer 3 QoS for
Audio
This field defines the layer 3 QoS parameter for audio packets. It is the value used for IP
Precedence, Diff-Serv or MPLS. The Default value is 48.
Layer 2 QoS
802.1q/VLAN Tag
(Ethernet)
Assigns the VLAN Tag of the Layer 2 QoS packets for LAN port. Default value is 0.
Note: Please do not change the setting before understanding the VLAN’s settings or consulting
the network administrator. Otherwise, the device might not be able to get the correct IP address.
Layer 2 QoS 802.1p
Priority (Ethernet) Assigns the priority value of the Layer2 QoS packets. The default value is 0.
Layer 2 QoS
802.1q/VLAN Tag
(Wi-Fi)
Assigns the VLAN Tag of the Layer 2 QoS packets for Wi-Fi. Default value is 0.
Layer 2 QoS 802.1p
Priority (Wi-Fi) Assigns the priority value of the Layer2 QoS packets. The default value is 0.
802.1x mode
Allows the user to enable/disable 802.1x mode on the device. Configures 802.1x authentication
when connecting to the authentication server.
The default setting is “Close”.
Identity Enter the Identity information for the 802.1x mode.
MD5 Password Enter the MD5 Password for the 802.1x mode.
CA Certificate Upload the CA certificate for the 802.1x mode.
Client Certificate Upload the client certificate for the 802.1x mode.
Private Key Upload the private key for the 802.1x mode.
Table 12: Security Settings Parameters
Parameters Descriptions
Screen lock Display paired devices like Bluetooth remote control, cellphone or speaker.
Owner info Set up display owner info on lock screen.

Encrypt phone Set up input digitPIN or password to unlock the GAC2500 each time you boot.
Display
passwords Check/uncheck to show/hide password as you type.
Device
administrators Add or remove device administrators.
Unknown
sources
Check/uncheck to enable/disable permission to install applications that you obtain from web sites, email,
or other locations other than GS Market and Google Play.
Verify apps Disable or warn the users before apps installation.
Trusted
credentials Check/uncheck to allow/disallow applications to access secure certificates and other credentials.
Install from
SD card Install encrypted certificates from SD card.
Clear
credentials Clear credential storage of all contents and reset its password.
Reboot
Tap on “Reboot” to reboot the device.
GAC2500 WEB GUI SETTINGS
The GAC2500 embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML pages allow users to
configure the application device through a Web browser such as Mozilla Firefox, Google Chrome and etc.
Accessing GAC2500 Web GUI
The IP address of GAC2500 displays on LCD display screen. To access the GAC2500 Web GUI:
1. Connect the computer to the same network with GAC2500.
2. Open a Web browser on your computer, enter the phone’s IP address in the address bar of the browser; for example:
http://192.168.124.111;
3. Enter the administrator’s login and password to access the Web Configuration Menu. The default username and password
are: admin, admin; you can set language to English or Chinese in the drop-down menu of language;
TM

Figure 8: Web UI – Login
4. Click “Login” to access the configurations in web UI.
Saving Changes
When changing any settings on the web UI, always submit them by pressing the Save button on the bottom of
the page, and then clicking the Apply button on the top of the page to apply the configuration changes. For those
options with next to it in the Web page, users must reboot the GAC2500 for the changes to take effect.
Definitions
This section describes the 6 options in the GAC2500 Web GUI. Please view Advanced, Maintenance and Status specifications in
Administration Guide.
Call
Users could start conference and control conference from Web GUI.
Contacts
Contacts, Schedule, Call History.
Account
Configure account info.
Advanced
General Settings, Call Features, Tone Generator, MPK General Settings, MPK LCD Settings.
Maintenance
Network Settings, Time & Language, Security Settings, Upgrade, Troubleshooting, Device Manager.
Status
Account Status, Network Status, System Info, and Storage Info.
You can log in as an administrator or a normal user. The following table shows the web pages accessible by normal user and
administrator.
Table 13: GAC2500 Users Access Permission
User Type Usernam
e
Default
Password Accessible Web Pages
Normal
User user 123
Call
Contacts
Account: Call Settings
Advanced: MPK General Settings, MPK LCD Settings
Maintenance: Network Settings, Time & Language, Security Settings,
Device Manager
Status: Account Status, Network Status, System Info
Administrat
or admin admin All pages

Toolbar
The web UI tool bar is on the upper right corner of the web UI page.
Figure 9: Web UI – Tool Bar
DND
Turn on/off DND mode. Once enabled, the DND text will turn into red and all incoming calls will be rejected.
English
Select the display language for the web UI.
Reboot
Reboot the device.
Expert
Click to switch to expert mode and click again to cancel. Once enabled, the administrator can view all settings items.
Logout
Log out from the web UI.
Contacts Page Definitions
Contacts page lists Contacts, Schedule, Call History and LDAP Settings.
Contacts – Contacts
Users can make the following operations on the GAC Contacts page:
Delete
Select one or more contacts, then click in order to remove contacts from the web GUI.
Import
Table 14: Contacts – Import
Clear the old list Click on the checkbox in order to clear old list.
Clear old history mode Select either to clear all old history or clear only reserved local contacts.
Replace duplicate entries Click the checkbox in order to replace duplicate entries.
Replace duplicate entries mode Select how to replace duplicate entries, either by name or by number.

File encoding
Chose the encoding type of the file, following are available:
UTF-8
GBK
UTF-16
UTF-32
Big5
Big5-HKSCS
Shift-JIS
ISO8859-1
ISO8859-15
Windows-1251
EUC-KR
File type
Choose the file type from the drop down, following are available:
XML
VCard
CSV
Browse Brows to import a contact file.
Export
Table 15: Contacts – Export
File encoding
Chose the encoding type of the file, following are available:
UTF-8
GBK
UTF-16
UTF-32
Big5
Big5-HKSCS
Shift-JIS
ISO8859-1
ISO8859-15
Windows-1251
EUC-KR

File type
Choose the file type to export to from the drop down, following are available:
XML
VCard
CSV
Export Click Browse to select a directory where to export the contact file.
Download
Table 16: Contacts – Download
Clear the old list Click on the checkbox in order to clear old list.
Clear old history mode Select either to clear all old history or clear only reserved local contacts.
Replace duplicate entries Click the checkbox in order to replace duplicate entries.
Replace duplicate entries mode Select how to replace duplicate entries, either by name or by number.
Download mode
Choose the download mode from the drop down, available are:
Off
TFTP
HTTP
HTTPS
Note: if Off is selected remote download will be deactivated.
File encoding
Chose the encoding type of the file, following are available:
UTF-8
GBK
UTF-16
UTF-32
Big5
Big5-HKSCS
Shift-JIS
ISO8859-1
ISO8859-15
Windows-1251
EUC-KR

Download interval
Choose the download interval from the drop-down list, available are:
2 Hours
4 Hours
6 Hours
8 Hours
12 Hours
Username Enter the username of the remote server.
Password Enter the password of the remote server.
Download server Enter the domain name, the IPv4 or the IPv6 address of the download server.
download Click download to download the contact file.
Sort
Users can either sort contacts by Last Name or First Name.
New Contact
Table 17: Contacts – New Contact
Name Enter last name and first name of the new contact.
Number Select the account and enter the number of the new contact.
Email Enter the email of the new contact.
Groups Select the group where the set the new contact.
Contacts – Groups
Users can delete or create a new group by clicking on or .
Table 18: Contacts – Groups
Name Enter the name of the group.
Group Ringtone Select a ringtone form the drop-down list.
Group Members Select members of the group.
Contacts – Blacklist
Users could do the following operation on the GAC blacklist:

Delete
Delete blacklisted numbers.
Manually add
Table 19: Contacts – Blacklist – Manually add
Number Enter the number to black list.
Note(optional) Add a note regarding that number.
Add from contacts
Users can add blacklist numbers from contacts.
Add from call history
Users can add blacklist numbers from call history.
Settings
Table 20: Contacts – Settings
DND mode Select whether to activate or deactivate DND mode.
Block mode Select to open or close the block mode.
Block options
Select a block option from the drop-down list, available are:
Block all
Block blacklist only
Block anonymous
Block anonymous and blacklist
Block notification Set block notification to either open or close.
Time settings Select time settings for the block mode.
Start time Enter the start time of the block mode.
End time Enter the end time of the block mode.
Contacts – Schedule
Table 21: Contacts – Schedule
Conference name Enter a conference name.
Members of conference Select members of conference.