This Frequently Asked Questions (FAQ) document provides concise answers and guidance for using the Grandstream video conferencing solution, the GVC3220. This FAQ is intended to assist administrators and users in resolving common issues and understanding key features.
Product Overview & Specifications
No, the GVC3220 currently does not support a PoE power supply.
– Video: H.265 BP/MP/HP, H. 264 BP/MP/HP.
– Audio: PCMU, PCMA, G.722, G.722.1, G.722.1C, G.729AB, iLBC, Opus, in-band and out-of-band DTMF (In-audio, RFC2833, SIP INFO).
- For 1080P Full HD resolution and 4K Ultra HD resolution, the minimum bandwidth requirement is 1 Mbps.
- For 720P HD resolution, the minimum bandwidth requirement is 512 Kbps.
- For 4SIF/4CIF/VGA, the bit rate can be adjusted by configuring an integer in the range between 384kpbs and 1Mbps. Ensure that there is enough bandwidth for the configured bit rate.
Yes. Third-party applications can be installed from the GVC3220 LCD: Applications->GS Market. Note: To use Google Play, please download and install the GMS package first.
Yes, GVC3220 supports screen sharing, and it works during a meeting or without a meeting. There are several screen-sharing methods:
- Connect the display source, such as a laptop, to the GVC3220 via the HDMI IN port. Then press the start presentation button on the GVC3220 remote control.
- Enter the GVC3220 LCD->Settings->Network->Wireless Projection, turn on the display, and wait for the device to connect and share the screen.
- Enter the IP address of the GVC3220 device in the browser of the sharing device. The browser will show the GVC3220 web UI. Log in to the web UI and click “Share Screen” at the upper right to start sharing the content of this device to GVC3220.
NTFS, FAT, FAT32, and FAT12 formats of USB storage devices are supported. USB storage device with up to 128GB is tested working with GVC3220. USB storage devices with multiple partitions are also supported.
SD, SDHC, and SDXC formats are supported. Up to 256GB capacity has been tested working with GVC3220.
Yes, but the built-in speaker is solely for ultrasound pairing with GMD1208. It could not serve as the audio output source in meetings and calls.
Setup & Registration
- SIP Account: GVC3220 can be registered to a SIP server or IP PBX. It also supports IP calls with another SIP endpoint.
- H.323 Account: GVC3220 can be registered to a Gatekeeper/H.323 platform. It also supports IP calls with other H.323 endpoints.
- IPVideoTalk Account: GVC3220 can be registered to the IPVideoTalk cloud server. Please see www.ipvideotalk.com for more details.
- Zoom: Users can attenda Zoom meeting without installing the Zoom app.
GVC3220 comes with a GMD1208 wireless microphone in its package, which can be connected to the GVC3220 automatically after bootup from factory default settings. If the user prefers to use a 3rd party audio device, it can be connected to GVC3220 via Line In/Out, Bluetooth, and USB connection.
No, GVC3220 does not support an external webcam, such as a USB webcam.
GVC3220 supports wireless projection with devices on Android 4.4+, iOS 10.1,+ and Windows 8.1+ OS.
Chrome: version 72 and above
Firefox: version 60 and above
Opera: version 60 and above
Edge: version above 79
Safari: version 13.1.1 and above.
Yes, to ensure a best audio and video experience, please follow the instructions and requirements in GVC3220 Deployment Guide.
The 2 USB ports on the GVC3220 have the same functionality. However, 1 port is USB2.0 and the other port is USB3.0, which differs in transfer speed.
No, GAC2500 is not compatible with GVC3220. There may be audio issues if users connect GAC2500 to GVC3220 via Bluetooth.
If using the 2.4G wireless connection mode, GVC3220 supports up to two GMD1208 at the same time. If using Bluetooth mode, only one GMD1208 can be connected and supported by the GVC3220.
GMD1208 does not work with GVC3200 and GVC3210 via either Bluetooth or wireless mode. It could only work with GVC3220.
Calling Features & Line Management
During a meeting, a user can start/end recording by pressing * on the remote control or by entering Menu->Video Record.
Recording files can be saved to:
- An external SD card or USB flash drive. The default path for the recording file can be configured in LCD->Applications->Recorder->More->Settings->Save Path.
- FTP server. The FTP server can be configured in LCD->Applications->Recorder->More->Settings->FTP Settings.
- NAS extended storage, which can be configured in LCD->Applications->Recorder->More->Settings->NAS extended storage.
- Also, users can download and manage recording files remotely from the web UI->App->Recording Management.
DND can be enabled/disabled by pressing the mute button on the GVC3220 remote control. Users can also enable/disable DND from the GVC3220 web UI, and the setting is on the upper right corner of the web UI.
- SIP Account: GVC3220 can be registered to a SIP server or IP PBX. It also supports IP calls with another SIP endpoint.
- H.323 Account: GVC3220 can be registered to a Gatekeeper/H.323 platform. It also supports IP calls with other H.323 endpoints.
- IPVideoTalk Account: GVC3220 can be registered to the IPVideoTalk cloud server. Please see www.ipvideotalk.com for more details.
- Zoom: Users can attenda Zoom meeting without installing the Zoom app.
GVC3220 could bridge 5-way conferencing when using 1080P resolution and 9-way conferencing when using 720P resolution.
No, this is currently not supported.
Configuration, Provisioning, & Firmware
The current firmware version of the device can be found on the web UI and LCD menu:
– Web UI: Status->System Info->System Version
– LCD: Settings->Status->System->System Version.
GVC3220 supports firmware upgrade via the following methods:
- Method 1: Upload the firmware file
Manually upload the firmware file through the device Web UI to perform the upgrade (supported for applicable firmware versions only).
- Method 2: Using a firmware server (HTTP/HTTPS/TFTP)
Configure the device to retrieve and install firmware from a remote server using supported protocols: HTTP, HTTPS, or TFTP.
The firmware server address can be provisioned manually in the Web UI or automatically via DHCP options (for example, Option 66 or Option 160, depending on deployment).
- Method 3: Using GDMS
Upgrade firmware centrally via GDMS (Grandstream Device Management System), enabling remote, batch, and scheduled firmware management.
On the GVC3220 LCD menu, go to Applications->File Manager->Backups.
– Users can create a new backup by pressing the yellow key on the GVC3220 remote control.
– Users can restore a backup by selecting the icon of the backup.
– Users can delete a backup by pressing the red key on the GVC3220 remote control.
Please note that users can change the destination of saved backup files from internal storage to SD card or USB flash drive by pressing the blue key on the GVC3220 remote control to enter Settings.
Password can be configured from the LCD menu and web UI:
– LCD: Settings->Advanced->Security->Screen Lock Password.
– Web UI: System Settings->Security Settings->Screen Lock Password.
The device configuration interface can be accessed by following the steps below:
- Make sure that GVC3220 boots up and is connected to the network.
- The IP address will be displayed on the top left corner on the screen of the HDMI output display device.
- Enter the IP address of the device in the browser.
- The default administrator username is “admin”, and the password can be found on the label at the bottom of the device.
On the GVC3220 LCD menu, go to Applications->File Manager->Backups.
– Users can create a new backup by pressing the yellow key on the GVC3220 remote control.
– Users can restore a backup by selecting the icon of the backup.
– Users can delete a backup by pressing the red key on the GVC3220 remote control.
Please note that users can change the destination of saved backup files from internal storage to SD card or USB flash drive by pressing the blue key on the GVC3220 remote control to enter Settings.
Troubleshooting & Maintenance
A factory reset could be executed from the web UI by follow this path: Maintenance ->Upgrade->Advanced settings->Factory Reset.
Although the GVC3220 remote control can be used with the GVC3220 without a Bluetooth connection, the touchpad on the GVC3220 remote control only works when the remote control is connected to the GVC3220 via Bluetooth. Please follow the instructions below to pair the remote control with the GVC3220 via Bluetooth:
- Point the remote control towards the GVC3220. Press and hold the “OK” and “5” buttons at the same time for a few seconds.
- Release the buttons when the blue light on the top of the remote control starts flashing. The remote control will automatically pair and connect. Connection status will be displayed on the screen.
When the remote control is working under Bluetooth mode, the LED light will be blue. The LED light is green when the remote control is not paired via Bluetooth.