Grandstream Networks GAC2570 User manual

Grandstream Networks, Inc.
GAC2570
User Manual

GAC2570 - User Manual
WELCOME
Thank you for purchasing Grandstream GAC2570 Audio Conferencing Systems.
The GAC2570 is a full-duplex conference GAC2570 featuring high-quality voice
communication for meeting rooms with a middle room. With an outstanding
speaker and MMAD (Multichannel Microphone Array Design), GAC2570 delivers a
natural and immersive conference experience to both local and remote
participants. The true wireless design, composed of wireless extension
Microphones, modern Wi-Fi/BT support, and a built-in battery, can keep your
ongoing conference unstopped in case of an occasional conference room change.
The state-of-art Microphone array design stands for stereo, dead-zone-free, and
long-range voice pickup. It wirelessly connects to two extended Microphones and
is ideal for large rooms. Furthermore, its modern industrial design and rich
features make it ideal for day-to-day business conference conversations.
PRODUCT OVERVIEW
Feature Highlights
The following table contains the major features of the GAC2570:
GAC2570 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 GAC2570.
GAC2570
●Full-duplex speaker GAC2570 with
HD acoustic chamber, advanced
acoustic echo cancellation, and
Microphone beamforming array.
●12 omnidirectional Microphones with
MMAD
●Support cascading with up to 2 GMD
wireless Microphones with full-band
audio pickup
●10-watt high-fidelity speaker.
●10/100/1000Mbps network port with
PoE+.
●Dedicated media port for collaboration
●Integrated Wi-Fi 6, Dual-band 2.4 &
5GHz with 802.11 a/b/g/n/ac/ax
●Integrated Bluetooth 5.0 support.
●Full-band and wide-band audio codec
support including Opus and G.722.1c.
●Enterprise IT-ready with LLDP and
802.1x support
●7” 1280×800 IPS touch screen LCD.
●Paging and Push-to-Talk (PTT)
support, Customizable ring tones and
alert tones, Support manual DTLS key
switching during the call, a 360-
degree omnidirectional pickup with a
radius of 24 feet
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP,
HTTP/HTTPS, ARP, ICMP, DNS (A
record, SRV, NAPTR), DHCP, PPPoE,
SSH, TFTP, NTP, STUN, LLDP- MED,
TR-069, 802.1x, TLS, SRTP, IPv6,
OpenVPN®.
Network Interfaces Ethernet RJ45 10/100/1000 Mbps ports
with integrated PoE+ only.
Bluetooth Yes, integrated. Bluetooth. V2.1+EDR,
V5.0 dual mode.

Wi-Fi Yes, Wi-Fi 6, Dual-band 2.4 & 5GHz with
802.11 a/b/g/n/ac/ax.
Operating System Android 10
Voice Codec
G.711µ/a, G.722 (wide-band), G.722.1c,
G.726-32, iLBC, Opus, G.729A/B
in-band and out-of-band DTMF (In audio,
RFC2833, SIP INFO),
VAD, CNG, AEC, PLC, AJB, AGC, ANS,
Noise shield.
Microphone 12 omnidirectional Microphones with
MMAD.
External Microphone Support two external wireless
Microphones.
Speaker
10-watt high-fidelity speaker
Frequency: 220-14,000 Hz
Volume: Up to 83 dBA at 1.0 meter
HD Audio Yes, HD speakerGAC2570 with support
for full-band audio
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer
3 (ToS, DiffServ, MPLS) QoS.
Auxiliary Port
1x Media port, 1x network port, 1x HDMI
IN, 1x USB, 1x Line-Out, 1x Micro- USB,
1x Reset Button, 1x Kensington lock
Certification Zoom, Microsoft Teams (ready)
Security
User and administrator level passwords,
MD5 and MD5-sess-based authentication,
256-bit AES encrypted configuration file,
TLS, SRTP, HTTPS, 802.1x media access
control.
Multi-languages English, Chinese, German, Italian, French,
Spanish, Portuguese, and Russian.
Upgrade/ Provisioning
Firmware upgrade via TFTP / HTTP /
HTTPS or local HTTP upload, mass
provisioning using TR-069 or AES
encrypted XML configuration file.
Power and Green Energy Efficiency
Integrated PoE+ 802.3at Class 4.
Built-in rechargeable battery to allow up
to 4-hour talk time.
Package Content
GAC2570 Conference Phone, Ethernet
cable, Micro-USB cable, quick installation
guide, PoE Injector, HDMI cable
(optional), dual wireless extension
Microphones (optional)
Temperature and Humidity
Operation: 0°C to 40°C,
Storage: -10°C to 60°C,
Humidity: 10% to 90% Non-condensing
Compliance
FCC: Part 15 (CFR 47) Class B; UL
60950 (power adapter); FCC Part 15C,
FCC Part 15E, MPE
CE: EN 55032; EN 55024; EN 61000-3-2;
EN 61000-3-3; EN 60950-1; EN 301 489-
1/17; EN 300 328; EN 301 893; EN
62311; RoHS
RCM: AS/NZS CISPR 32/24; AS/NZS
60950.1; AS/NZS 4268
IC: ICES 003, RSS 247, RSP-100, RSS
102

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 GAC2570.
Equipment Packaging
GAC2570 Ports
GAC2570
●1x GAC2570 Main Case
●1x Ethernet cable
●1x Micro-USB cable
●1x Quick Installation Guide
●1x PoE Injector
●Dual wireless extension Microphones GMD1208 (optional)
Note:
Check the package before installation. If you find anything missing, contact
your system administrator
NO. Name Description
1 Power Button Press and hold for 5 seconds to power
On/Off the device.
2 Media Port Input/output for Media (HUB where
multiple Microphones are connected).
3 RJ48 Interface Ethernet RJ45 port (10/100/1000Mbps)
supporting PoE+.
4 HDMI IN
Share presentation to GVC32xx via Media
Port. (The presentation is not displayed on
GAC2570)
5 USB Interface Connect your flash drive/hard disk to the
USB 2.0 port to read or write data.
6 Kensington Lock
Attach the device using this port to a
stationary object such as a table with an
adequate cable (not included).

Powering and Connecting GAC2570
The GAC2570 can be powered on using a PoE+ switch or injector using the
following steps:
Step 1: Plug an RJ45 Ethernet cable into the network port of the GAC2570.
Step 2: Plug the other end into the power over Ethernet (PoE+) switch or
PoE+ injector.
Press and hold the “Power” button to turn on the GAC2570.
Connection Configuration
GAC2570 can be connected via HDMI IN port to a laptop for presentation sharing
and linked via Micro USB port to a GVC32xx or a laptop acting as an external
MIC/Speaker and via 3.5mm port using a male-to-male cable (not included in the
package).
Use GAC2570 as Speaker
GAC2570 can be used as an auxiliary device for GVC32xx or PC for audio
acquisition and play either via Bluetooth or Micro-USB interface.
Via USB:
1. Connect one end of the USB cable to the Micro USB port of the GAC2570 and
the other end to the USB port of GVC32xx/PC;
2. The user will be able to Mute/Unmute himself by taping the Mute Key of
GAC2570 and can adjust the volume of the GAC2570 speaker playing the
conference audio.
7 Micro-USB Port Connect the GAC2570 as Microphone to a
GVC32xx or computer.
8 3.5mm Audio Interface Connect to a 3.5mm speaker to increase
the sound.
Information:
The GAC2570 has a built-in battery to run.
Note
A Prompt appears for resolution failure when HDMI IN port is plugged,
indicating incompatible resolution. User may need to adjust settings for
optimal display/playback.
Note:
If GAC2570 is connecting to the PC via Micro-USB but there is no audio output
from GAC2570, it is because the PC uses default audio output in most cases.
Please configure GAC2570 as the default audio output.
Note:

Via Bluetooth:
1. Enable Bluetooth on the GAC2570 and on the GVC32xx/PC
2. Proceed by pairing both devices and make sure that the Audio Input/Output
is detected as Bluetooth.
3. Users can still be able to Mute/Unmute themselves by tapping the Mute Key
of GAC2570 and can adjust the volume of the GAC2570 speaker playing the
conference audio.
GAC2570 LCD SETTINGS
The GAC2570 LCD MENU provides easy access to the settings on the device.
Some of the settings from Web GUI could be configured via the LCD as well. The
following table shows the LCD Settings menu options.
Access LCD Settings
To open the settings menu, you should:
Tap on Settings app on the screen. Or;
Swipe down from the top of the home screen to open the notifications panel
and hit the Settings icon in the top right corner.
Connecting GMD1208 via USB during a call is not allowed. A prompt will pop
up showing this restriction.
Status
●Account Status
●Network Status
●System Info
●Storage Status
●Detection
●Battery Status
Network
●Ethernet Settings
●Wi-Fi
●VPN
●General Network Settings
●Proxy Settings
●Tethering & Portable Hotspot
Features
●Auto-Answer
●Bluetooth
●Wireless Microphone
●Call Block
●Account Ringtones
Basic
●Sound
●Display
●Wallpaper
●Language & Keyboard
●Date & Time
●File Manager
●Security Settings
●Accounts
●Guidelines
●Reboot the GAC2570
Apps ●Application Management
●Notification Center
Advanced
●Account Settings
●System Update
●Syslog
●System Security

GAC2570 Settings
Status
Account Status
This page displays all available accounts on the device with their respective
statuses (Activated/Inactivated and Registered/Unregistered).
Status – Account Status
Network Status
This page displays Network status including IPv4/IPv6 address, subnet mask,
gateway, DNS server, MAC address, and VPN Address…
Status – Network Status
System Info
This page shows system info including Total Memory, Available Memory, Android
Version, System Version, S/N, P/N, Hardware version, Country Code…

Status – System Info
Storage Status
This page shows the device storage status.
Status – Storage Status
Detection
This page shows the general Interface/Ports status and Audio Diagnostics.
Status – Detection – General Status
Status – Detection – Audio Diagnostics
Battery Status

This page shows the current Battery level, usage time, remaining time, and High
power consumption reminder…
Status – Battery Status
Network
Users can configure Ethernet settings, Wi-Fi, VPN, PPPoE, and other advanced
network settings here.
Ethernet Settings
Network – Ethernet Settings
Preferred Internet Protocol: Select which Internet protocol to use. When
both IPv4 and IPv6 are enabled, the GAC2570 attempts to use the preferred
protocol first and switches to the other choice if it fails.
IPv4 Settings: Here user can configure the IPv4 address Type.
If DHCP is selected, the GAC2570 will get an IP address automatically
from the DHCP server in the network. This is the default mode.
If Static IP is selected, manually enter the information for IP Address,
Subnet Mask, Default Gateway, DNS Server, and Alternative DNS server.
If PPPoE is selected, type PPPoE Account ID and PPPoE Password
provided from the PPPoE server to get authenticated for network access.
IPv6 Settings: Here user can configure the IPv6 address Type.
If Auto-Configured is selected, the GAC2570 will get an IP address
automatically from the DHCP server in the network. This is the default
mode.
If Static IP is selected, manually enter the information for IP Address,
Prefix Length, DNS Server, and Alternative DNS server.
802.1X mode: This option allows the user to enable/disable 802.1x mode on
the GAC2570. The default setting is disabled. To enable 802.1x mode, select
the 802.1x mode and enter the required configuration depending on the
802.1x mode chosen. The available modes are EAP-MD5, EAP-TLS, and EAP-
PEAP.
Wi-Fi

Network – Wi-Fi Settings
Tap on “Wi-Fi” to turn on/off the Wi-Fi connection. By default, it is turned off.
Tap on “Wi-Fi Band” to set the type of Wi-Fi Band (“2.4G”, “5G” or
“2.4G&5G”). The default setting is 2.4G&5G.
Press the “Refresh” icon to initiate a scan for the Wi-Fi network within the
range. This option is available only when Wi-Fi is turned on.
Click on “More” to list the following options (This option is available only
when Wi-Fi is turned on):
Add Network: If the Wi-Fi network SSID does not show up in the list, or
users would like to set up advanced options for the Wi-Fi network, click
on “More” then click “Add Network”. Then Enter SSID, Security type, and
password and set up the address type (DHCP/Static IP/PPPoE) in the
prompt dialog. The GAC2570 will reboot with a Wi-Fi network connected.
Wi-Fi Direct: This is to set up a peer-to-peer connection between two
Wi-Fi Direct devices so that they can share data and sync files.
Network – Wi-Fi Settings – Wi-Fi Direct
Configure: Enable/Disable Open Network Notification which informs the user
whenever a high-quality public Network is available, Also it lists the MAC
address of the device and its IP address and Country Code:
Open Network notification: If enabled, the GAC2570 will show a notification
on the top status bar indicating a high-quality public network is available. By
default, it is enabled.
Saved Networks: This is to show/edit all the Wi-Fi Networks that are
registered on the GAC2570.
MAC address: This shows the MAC address of the Wi-Fi.
IP address: This shows the IP address of the GAC2570 from the Wi-Fi
network.
Country Code: This shows the Country Code.
VPN
Enable / Disable OpenVPN®.

Network – VPN
General Network Settings
Network – General Network Settings
LLDP
Turn on/off LLDP on the GAC2570. If turned on, the GAC2570 will be able to
discover the LAN policies as set up on the switch side to obtain network settings
such as VLAN tag, Layer 2 QoS 802.1p priority, and Layer 3 QoS in a plug-and-
play manner.
LLDP TX Interval (seconds)
Specifies the time interval, in seconds, between successive LLDP-MED
transmission cycles
Applied to the Second Layer of Data QoS 802.1Q/VLAN (Ethernet)
This field contains the value used for layer 2 VLAN tagging for the Ethernet
network.
The Default value is 0.
Applied to the Second Layer of Data QoS 802.1p/VLAN (Ethernet)
This assigns the priority value of the Layer 2 QoS packets on the Ethernet
Network.
The Default value is 0.
Layer 3 SIP QoS
This field defines the layer 3 QoS parameter for SIP packets.
This is the value used for IP Precedence, Diff-Serv, or MPLS. The Default value is
26.
Layer 3 Audio QoS
This field defines the layer 3 QoS parameter for audio packets. This is the value
used for IP Precedence, Diff-Serv, or MPLS. The Default value is 46.
Proxy Settings
For some network setups, it is required to connect to the Internet via a proxy
server. Manually configure “HTTP/HTTPS Proxy hostname”, “HTTP/HTTPS Proxy
port” and “Bypass proxy for” in proxy settings for the device to get an Internet
connection successfully.

Network – Proxy Settings
Tethering & Portable Hotspot
The GAC2570 can serve as a Wi-Fi access point for other devices to provide
wireless access to the network if the Portable Wi-Fi hotspot is turned on.
Network – Tethering & Portable Hotspot
1. Turn on the hotspot by tapping on “Portable Wi-Fi hotspot”. Icon will
show on the top status bar.
2. Tap on “Set up Wi-Fi hotspot” to configure network SSID, security type, and
password.
Network – Tethering & Portable Hotspot – Set up Wi-Fi hotspot
3. On the other device that needs Wi-Fi access, turn on Wi-Fi, look for the SSID
of the GAC2570 hotspot, and enter authentication information to get
connected.
Features
In this menu, users can configure different features related to each account of the
active accounts:
Auto Answer
Note:
Please make sure the password has at least 8 characters. Otherwise, users will
not be able to save the setting.

Features – Auto Answer
If enabled and set to “Always”, the GAC2570 will automatically turn on the
speaker GAC2570 to answer all incoming calls.
If enabled and set to “Enable Intercom/Paging”, the GAC2570 will answer the
call based on the SIP info header sent from the server/proxy.
By default, it is turned off.
Presentation
When HDMI In cable is cnnnected, the following message wil be displayed on
notification bar
Once Plugged , under Features => Presentation , you will see that the device is
the presentation mode is set as connected
Wi-Fi Display
Wi-Fi Display is a feature in GAC2570 devices that allows users to wirelessly mirror
content from their smartphones, tablets, or laptops onto a larger screen during
conferences, enhancing collaboration.
You can enable Wi-Fi display by toggling the switch above, once enabled it may
affect the call quality under Wi-Fi network, Wi-FI Display feature

Bluetooth
Features – Bluetooth
Bluetooth Peripherals Mode: When turned on and connected to another
device, the GAC becomes the speaker for that device. By default, it is turned
off.
Bluetooth connection GMD: when turned on, it enables the wireless
GMD1208 Microphone discovery to pair them with GAC2570. Refer to
[Wireless Microphone] for more details.
Show received files: Shows the Transfer history of Bluetooth files
Additional Settings: This menu is available only when Bluetooth is enabled:
Features – Bluetooth – Additional Settings
Device Name. Tap to change the name of the GAC2570, which is displayed
on other Bluetooth devices when discovered. By default, it is
“GAC2570_XXXXXX” Where XXXXXX are the last 6 digits of the GAC2570’s
MAC address.
Visibility timeout. Tap to select the timeout interval among “2 minutes”, “5
minutes”, “1 hour” or “never”. By default, the visibility timeout is 2 minutes.
Visibility to nearby Bluetooth devices. Sets the visibility of the GAC2570 to
other Bluetooth devices. Normally this option is enabled during the pairing
process so that other Bluetooth devices can discover the GAC2570.
Wireless Microphone
Enable the wireless GMD1208 Microphone discovery to pair them with GAC2570.
Refer to [WIRELESS MICROPHONE] for more details.
Call Block

Block Anonymous calls or set up your blacklist.
Features – Call Block
Blacklist: This menu allows configuring a blacklist of numbers that will be
blocked from calling the GAC2570, users can either enter the numbers to
block manually from contacts or from call history
Block Anonymous Calls: when enabled the GAC2570 rejects all the
anonymous calls, users can choose on which account this setting is to be
applied
Account Ringtones
Select a ringtone for the incoming call to the SIP account chosen. The system
ringtone is set by default.
Features – Account Ringtones
Basic
Sound
Use the Voice settings to configure the GAC2570’s sound mode, volume, ring
tone, and notification tone.
Basic – Sound
Audio calibration: Click to start Audio calibration. It is recommended to run
audio calibration when changing the environment (new room for instance)
when the GAC is installed. Click “Start” to initiate the audio calibration and
follow the instructions.

Basic – Sound – Audio Calibration
Silent mode: Tap on it to turn on/off the sound from the speaker when there
is an incoming call.
HDMI: The HDMI interface supports input audio and video content which will
be displayed in the GVC3220 through the media port or wireless projection.
Media Volume: Adjust the sound volume for media audio
Alarm Volume: Adjust the alarm ring volume
Ring Volume: Adjust the GAC2570 ringing volume
Ringtone: Select GAC2570’s ringtone for incoming calls.
Default Notification Sound: Select notification ringtone.
Default Alarm Sound: Select the alarm ringtone.
Other Sounds: Enable/disable Dial pad Tones, Screen locking sounds, Touch
sounds, and Touch Vibration (Haptic feedback for tap, and keyboard…).
Display
Basic – Display
Brightness level: Tap on Brightness and scroll left/right to adjust the LCD
brightness.
Screen Timeout: Tap to open the dialog to set the screen timeout interval.
Available options: 15 seconds, 30 seconds, 1 minute, 2 minutes, 5 minutes, 10
minutes, 30 minutes, Never. The default setting is 5 minutes.
Screensaver Timeout: Tap to set the screensaver timeout interval. Available
options: 15 seconds, 30 seconds, 1 minute, 2 minutes, 5 minutes, 10 minutes,
20 minutes, 30 minutes, Never. The default setting is 2 minutes.
Screensaver: Enable/disable the screensaver. Two options are available:
Clock: If the clock is set as a screensaver, tap on and set the clock
style and the Night Mode.
Screensaver: If the screensaver is set, please tap on to set use a
network image or use local images as screensaver and set the Animation
Interval between the images.
Font size: Tap on it to adjust the font size for the LCD screen.
Wallpaper
Choose either the default Wallpaper or navigate through the local gallery or use
pictures from an external drive.
Note
You can access the Audio Calibration from the notification bar.

Basic – Wallpaper
Language & Keyboard
Basic – Language & Keyboard
Language: Tap to open the list of chosen languages, Language Number 1 is
the language used on the device. Tap on Add a Language to add more
languages to the list.
Keyboards
Set up the default input method for a virtual and physical keyboard and the
different parameters of related to the Keyboard use. The default input method is
Android Keyboard.
Virtual Keyboard:
Android keyboard (AOSP): Set up the language used on the Android
keyboard and configure its different parameters including sound, auto-
correction, word suggestion, and so on.
Manage Keyboards: Tap on the + sign to choose which keyboard to use
on the device.
Physical Keyboard: When the physical keyboard is connected to the
GAC2570, users will have the possibility to choose a keyboard among the
available ones on the virtual keyboard.
Show virtual Keyboard: This option gives the possibility of keep
showing the virtual keyboard even if the physical one is connected to the
GAC2570.
Keyboard shortcuts helper: Display available shortcuts.
Tools:
Spell checker. Configure whether to check the spelling and select the
language to check.
Personal dictionary: Add new words to the user’s dictionary so that they
will not be displayed as errors in the text.
Auto Fill Service: An autofill service is an app that makes it easier for
users to fill out forms by injecting data into the views of other apps.
Pointer Speed. Adjust the sensitivity of the mouse pointer.
Date & Time

Basic – Date & Time
Enable and use the specified NTP server address: Assign the URL or IP
Address of the NTP Server. The default NTP Server used is pool.ntp.org
Set Date: Set the current date for the GAC2570.
Set Time: Set the time on the GAC2570 manually.
Select Time Zone: Select the time zone for the GAC2570.
Use 24-hour Format: Check/uncheck whether to display the time using the
24-hour time format or not. For example, in 24-hour format, 13:00 will be
displayed instead of 1:00 p.m.
Select Date Format: Select the format of year, month, and day for the date
to be displayed.
File Manager
Basic – File Manager
Internal Storage: Manage all the stored files on the local storage of the
device.
External Storage: Enable/Disable Zoom mode feature. If enabled, the font
and icon become larger.
FTP Server: Enable/Disable the local FTP Server of the device, edit
username/password, and edit port.
Basic – File Manager – FTP Server
Security Settings

Basic – Security Settings
Device Security
Screen lock: Set up a pattern or password for the screen lock. Wizard will
be provided to set up the pattern. The screen will be locked after booting
up or the screen is off (i.e., screensaver screen activated, or manually slide
down Status Bar🡪Screen Off to turn off LCD). Users will then be
required to enter a password or pattern to log in. When the screen is
locked, users can still be able to answer or reject incoming calls.
Privacy:
Show Passwords: Check/uncheck to show/hide letters when the user
types the screen lock password instantly.
Device Admin:
Device admin apps: View or deactivate device administrators.
Credentials Storage
Trusted Credentials: Display trusted CA certificates for the system or
user. Users can tap on the certificate to check the credential details or
disable it.
User Credentials: View and modify stored credentials
Advanced
Trust Agents: View or deactivate trust agents
Screen Pinning: When enabled, the user can select to keep the current
screen in view until you unpin it.
Apps with usage access: Manage what apps have access to app-usage
data on your device.
Accounts
Add a system account to synchronize contacts calendars and other information.
Basic – Security Settings
Guidelines
General Tips on how to use buttons to perform operations such as Screenshots…

Basic – Guidelines
Reboot the Phone
Press to reboot the GAC2570. A confirmation window will pop up to Cancel or go
on with the reboot.
Basic – Reboot the Phone
Apps
Application Management
Apps – Application Management
Tap on an application, process, or service to open it. The Application Info screen
for each application lists its name, version, size, etc. Depending on the app, it may
also include options for managing the application’s data, forcing the application
to stop, and disabling the application. Usually, the options are:
Tap the “Force stop” softkey to stop an application forcefully. This setting
might not be valid for some applications.
Tap the “Open” softkey to Open an application by bringing it forward in the
LCD.
Tap the “Uninstall” softkey to uninstall the applications.
Tap the “Notifications” softkey to enable/disable notifications for different
events depending on the App.
Storage & Cache: provides storage information that an application uses on
the GAC2570. Tap “Clear Storage” to delete an application setting and other
data. This setting might be valid for some applications. If the application
stores data in a temporary space of the GAC2570’s memory, “Cache” lists how
much information is stored.