The GVR35XX would reboot automatically or crashes frequently in a few minutes after startup

Please measure the voltage of the power source to check wither it is in required working range. Open the case to check SATA HDD power and data cable connection..

Can I pair my iPhone with GXP2140/GXP2160 via Bluetooth?

Yes, GXP2140/GXP2160 is compatible with Iphone4, Iphone4s, Iphone5 and Iphone5s. You can connect your mobile phone to GXP phone via Bluetooth hands free mode. Note: The original GA 1.0.1.6 build only supports connecting to Bluetooth Headsets. The current Beta 1.0.2.9 supports both connecting to Bluetooth Headsets and Bluetooth Phones (one at a time).

Does Grandstream Wave support Bluetooth?

Yes, Grandstream Wave supports audio via Bluetooth headset. If your mobile phone connects with a Bluetooth headset, however, you cannot hang up/terminate the call via Bluetooth headset.

Does Grandstream Wave support SIP video calling?

Yes, Grandstream Wave does support SIP video calling.

How can I upgrade to a new firmware version?

There are several ways to do firmware upgrade on GXP2200.

1. From Grandstream firmware server.
Users could directly upgrade the GXP2200 to the official firmware version using Grandstream firmware server via HTTP. Please point your GXP2200 to firmware.grandstream.com and select upgrade via HTTP and reboot the phone.
2. Upgrade GXP2200 via HTTP/TFTP/HTTPS.
Put the firmware file downloaded from our resources library in a HTTP/TFTP/HTTPS server. Then point the GXP2200 to the corresponding server address to get upgraded.

3. Upload manually via GXP2200 web GUI.
From GXP2200 web GUI->Maintenance->Upgrade, users could select manually upgrading the firmware. Select the firmware file from local directory of the PC and then start uploading.

4. Upgrade via SD card.
– Download the firmware file from our resources library and save it in SD card;
– Insert the SD card to GXP2200 and power cycle the GXP2200;
– When the GXP2200 starts booting up, press and hold both * and # keys at the same time for about 5 seconds;
– The GXP2200 will display the upgrading process in the screen. Wait till the upgrading is done.
– The GXP2200 will reboot itself. Check the firmware status and remove the SD card.

How does “Secondary SIP Server” work when configured with the “SIP Server” under web GUI->Account setting?

For GXP2130/GXP2140/GXP2160, the “Secondary SIP Server” field contains the URL or the IP address of a secondary SIP server. This option is related phone’s failover capability. When this field is configured, phone will send out Registration requests and Subscribe messages (except for message waiting) to the “SIP Server” and “Secondary SIP Server” for the same account. When making a call, phone will use the registered primary “SIP server” first. If this primary “SIP Server” is not available, the registered “Secondary SIP Server” will be used. If the primary “SIP Server” is not registered but “Secondary SIP Server” can be registered, the “Secondary SIP Server” will be used directly. Note: Please do not configure duplicate SIP Server address in “SIP server” and “Secondary SIP Server”.

I can’t find the downloaded/installed apps from “Downloads”. Why?

The files such as PDF documents and pictures downloaded from GXV3240/GXV3275 browser will be stored in GXV3240/GXV3275’s internal storage. To manage downloaded/installed apps, please go to Settings -> Applications.

I cannot get response from TFTP server when upgrading/provisioning the phone via TFTP. Why?

GXP series phone can be upgraded and provisioned via TFTP. A local TFTP server will need to be installed in the PC first. The PC running the TFTP server and the phone to be upgraded/provisioned should be in the same LAN segment. Also, on the PC running the TFTP server, for windows user, please try with the windows firewall disabled.
For more steps to upgrade via TFTP, please refer to the GXP user manual->”Instructions For Local TFTP Upgrade”.

If the LCD is locked and I have forgotten the password, how can I unlock it?

By default, the LCD does not have a lock configured. If you have configured the LCD lock and forgotten the user name and password, you will have to perform a factory reset to clear the lock. Log into the web interface, select [Maintenance]→[Upgrade and Provisioning]→[Factory Reset] →[Reset]. After the factory reset, you can also reconfigure the LCD lock password by selecting [MENU]→[Personalize]→[My Profile]. It is recommended not to lock the LCD screen unless necessary.

If you cannot log into the web configuration interface because you do not know the phone’s IP address, then you will need to connect the phone and a PC to the same hub. You can then use a network sniffer tool such as Wireshark/Ethereal on your PC to capture traffic on the network. You can now obtain the phone’s IP address by searching for the corresponding MAC address (found on the back of the phone) in your sniffer (found on the back of the phone).

If the “Auto Answer” option is enabled, which types of calls will automatically be answered, and will it be via speaker or headset?

If “Auto Answer” is enabled, this feature will auto-answer both “All” and “Paging/Intercom” calls. Grandstream Wave will auto answer the call via speaker by default.

Is BLF (busy lamp field) in Grandstream Wave?

Grandstream Wave supports BLF, and can be used this way:
a. Go to Settings->Advanced Settings->enable BLA (bridged-line-appearance)
b. Go to “BLA List” -> tap on “+” to add the members -> then, you could check the status of the extensions you want. Only the extensions which are stored in your Grandstream Wave Contacts can be shown in the BLA list.
Note: The BLF works for the account which you choose as the default account. For example, if you choose account 2 as your default account, the BLF will show the status of extensions in account 2.

The GVR355X is unable to start properly after normal startup

Please check the power adapter, the cable connection. Check whether the green LED light up at the front panel. This might be caused by failed power adapter. Otherwise please contact Grandtream support.

What are the differences between BudgeTone-101, 102 and 200 models?

The BT model 101 (also called BT100) and 102 have the same software functions and the only difference is that model 101 has one Ethernet interface and model 102 has two Ethernet interfaces i.e. the PC port (to be connected to your computer) and normal LAN port (to be connected to your Internet Source.). These 2 ports are bridged together similar to a HUB. BT-200 is higher end version with Router feature and capable of supporting 100Mbps connections.

What is “Paging”? What is the different between “Paging” and “Dialing”?

If you wish to configure the system so that the other party will be able to answer the call automatically, you would need to use the “Paging” feature on the GXV3140. By default, the calling method used for normal calls are in “Dialing” mode, the user is able to switch to the “Paging” mode by pressing the round OK button on the phone.

However, to implement the auto answer feature, you would need to configure the following on the remote party:

(1)On the GXV3140 LCD screen, select [MENU]->[Call Features]

(2)In the “Call Features” page, there are two tabs: “Call Forwarding” and “Other Features”. Use the right navigation button to toggle to the “Other Features” tab.

(3)Select the correct account and select “Paging/Intercom” in [Auto Answer].

(4) Save the settings by pressing the “Save” sofkey. After this is configured, the Auto answer icon will appear on the LCD screen.

Why can I see my phone contacts and call records in the Grandstream Wave?

For first-time users, users have to confirm whether to allow Grandstream Wave to read local call history and import contacts. If allowed, these your contacts will be incorporated within Grandstream Wave.

Why can’t I see the Grandstream Wave icon on the notification tab of my phone?

Please go to Settings->Advanced Settings to enable Notifications for Default Account. If enabled, you’ll see the notifications in the status bar.

Wrong Time Display

Reconfigure the correct time by using network time server to synchronize automatically, or manually configure the correct time and save it.

At what temperature will the heater or fan trigger on the GXV3662?

– Temp <= 0°C : Fan & Heater start – Temp >= 50°C : Fan start – 0°C < Temp < 50°C: Fan & Heater stop

Besides SIP audio call, does GXP2200 support video call via external camera?

Video call via external camera will be supported soon. The compatible USB cameras will be supported in video call and Camera.apk (in GS Market) only. GXP2200 doesn’t support video call using 3rd party apps.

Can GAC2500 support microphone extension?

Not for current GAC2500. But GAC2500 supports audio extension with another GAC2500 via cascade mode.

Can I add more stations to the Internet Radio?

Yes, but the URL for the station must be valid on the Internet. Select [MENU]→[Multimedia]→[Internet Radio] to load the Internet Radio application. With “My Favorites” highlighted, select [Options]→[Open]→[Open URL] and enter the station URL and save. The station is saved to “My Favorites

Can I adjust the time manually on my Handset?

The time is synced up automatically with the NTP Server and it’s automatically adjusted depending on the time zone selected. The time settings cannot be configured manually on the handset.

Can I backup 3rd Applications when creating a backup?

Yes, when creating a backup, user will be asked if he wants to backup 3rd party applications as well in a customizable/selective way.

Can I call from a handset using another line without changing Outgoing Default Line?

User can call from another configured line from DP720 handset without changing the outgoing default line, to do that please enter the number to call directly on keypad, then press the left soft key(Call), the available lines will be shown, and user can select which line to call from.

Can I call from FXS1 port to FXS2 port?

Yes, they can communicate with each other by dialing the respective extension number. Both FXS ports need a valid sip account registered on the server. Route call automatically and transparently to PSTN line according to user configuration

Can I change the Account widget size on the GXP2200 default idle screen?

Yes. By default, the Account widget on the GXP2200 idle screen can accommodate 6 accounts. Users can select the widegt size for 4 accounts or 2 accounts as well. Please see steps below:

– In the GXP2200 default idle screen, remove the default Account widget first by tapping and holding it into the Recycle Bin on the bottom of the screen.
– Tap and hold on an empty spot of the screen to activate the “Add to Home screen” dialog.
– Select “Widgets” in the “Add to Home screen” dialog.
– In the widget list, choose “Account” for 6 accounts; chosse “Account2X1” for 2 accounts; or choose “Acount4X1” for 4 accounts.

Can I change the Account widget size on the GXV3240/GXV3275 default idle screen?

Yes. By default, the Account widget on the GXV3240/GXV3275 idle screen can accommodate 2 accounts. Users can select the widget size for more accounts. Please see steps below:
In the GXV3240/GXV3275 default idle screen, remove the default Account widget first by tapping and holding it into the Recycle Bin on the bottom of the screen.
Press Menu button and select “Edit Widgets”.
In the widget list, chose “Account 5X3” for 6 accounts, choose “Account 3X2” for 2 accounts; or choose “Account 5X2” for 4 accounts.

Can I change the display name of my DP720 handset?

The name of a DP720 handset can be changed from its keypad menu and navigate to Settings  Handset Name. Or if the handset is registered with a base station, user can change its name from DP750 WEB UI  DECT  General Settings  Handset Settings  Handset Name.

Can I check the SIP Registration status from the handset menu?

The handset is not able to display the SIP Registration status; you need to check the status of the registration directly from your DP750 web interface under Status  Account Status  SIP Registration.