| GENERAL INFORMATION |
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 The Grandstream GXV3370 is a full-featured IP phone built on the Android (Android 7.0) operating system. Notable features include a 7" touch screen, support for up to 16 SIP accounts, speakerphone with echo cancellation, dual gigabit ports with integrated PoE, full access to the Google Play Store, and HD Audio.
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| RESOURCES |
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Websites
Grandstream Homepage
Grandstream GXV3370 Product Page
Help/Support
GXV3370 Product Manual
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| Configuring the GXV3370 |
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These instructions are based on Grandstream GXV3370 firmware version 1.0.1.33; if you are running a different firmware version, some menus/settings may be different. These instructions are also based on using the GXV3370 in its factory default configuration, which obtains a dynamic IP address automatically from your router using DHCP. For information on configuring your GXV3370 with a static IP address, please refer to the GXV3370 user manual.
In this guide we will go through configuring the GXV3370 in order to register to the Callcentric servers so that you will be able to place and receive calls using your Callcentric account. Before proceeding, please ensure that you have properly added the device to your network by connecting it to your router or gateway.
We recommend that you read each step through in its entirety before performing the action(s) indicated within the step.
Note: Although this device supports many advanced features/options, this guide will only detail the specific settings which are required to establish basic connectivity between your GXV3370 and our service. If you need additional assistance with any specific issue, please let us know.
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| Step 1 |
Logging into your device |
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Login to the GXV3370's administrative interface by using the default username (admin) and default password (admin).
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| Step 2 |
Configuring your Callcentric account |
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From the side menu bar, click on the Account option. After doing so, select the Account 1 from the sub-menu on the top of the screen. You should now be in the General Settings configuration page of your IP phone. Please configure your settings in-line with those detailed in the screenshot below. After doing so, click on the Save button (on the bottom of the page), as well as the the Apply button (at the top of the page) to apply/save your settings:
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| Setting | Value |
| Account Active | checked/enabled |
| Account Name | callcentric |
| SIP User ID | This is either the default extension 1777MYCCID OR 1777MYCCIDEXT, where 1777MYCCID is the 1777 number assigned to you by Callcentric and EXT is the three digit extension you are trying to register this UA to.
For example: 17770001234101 would register to extension 101 on account 17770001234.
You cannot register to your account using only the extension number. |
| SIP Authencation ID | This is either the default extension 1777MYCCID OR 1777MYCCIDEXT, where 1777MYCCID is the 1777 number assigned to you by Callcentric and EXT is the three digit extension you are trying to register this UA to.
For example: 17770001234101 would register to extension 101 on account 17770001234.
You cannot register to your account using only the extension number. |
| SIP Authentication Password | Enter your extension SIP Password here. Your extension SIP password is the password you created for the extension you are trying to use. You may edit the SIP password you wish to use in by logging into your My Callcentric account and clicking on the Extension menu link and then modifying the appropriate extension. |
| Name | You may enter any value for this option. |
| Voice Mail UserID | *123 |
| Outbound Proxy | sip.callcentric.net |
| DNS Mode | SRV |
| NAT Traveral | Keep-alive |
Next, select the SIP Settings option on the top sub-menu bar. Please configure your settings in-line with those detailed in the screenshot below. After doing so, click on the Save button (on the bottom of the page), as well as the the Apply button (at the top of the page) to apply/save your settings:
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| Setting | Value |
| Register Expiration | 2 |
| Remove OBP from route | Enable |
Next, select the Codec Settings option on the top menu bar. Please configure your settings in-line with those detailed in the screenshot below. After doing so, click on the Save button (on the bottom of the page), as well as the the Apply button (at the top of the page) to apply/save your settings:
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| Setting | Value |
| Preferred Vocoder | PCMU
G729A/B |
| DTMF | In audio
RFC2833 |
Next, select the Call Settings option on the top menu bar. Please configure your settings in-line with those detailed in the screenshot below. After doing so, click on the Save button (on the bottom of the page), as well as the the Apply button (at the top of the page) to apply/save your settings:
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| Setting | Value |
| Dialplan | {[x*]+} |
Finally, select the Advanced Settings option on the top menu bar. Please configure your settings in-line with those detailed in the screenshot below. After doing so, click on the Save button (on the bottom of the page), as well as the the Apply button (at the top of the page) to apply/save your settings:
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| Setting | Value |
| Check SIP User ID for Incoming INVITE | enabled/checked |
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| Step 3 |
Checking Registration Status |
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To ensure that your GXV3370 has successfully registered to our service, click on the Status option on the top menu bar and locate the Account Status section; you should see that the Account you just configured is now Registered.
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| Step 4 |
That's it! You can now make a phone call. |
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You can make a test call to 17771234567, or if you are signed up for one of Callcentric's rate plans you can place a call to a traditional landline or mobile phone by dialing either:
1 + the area code and number for calls to the US
Or
011 + the country code, area code, and number for calls worldwide (you may also use 00 instead of 011).
To test inbound calls from Callcentric to your WP820 installation, follow the directions listed in this FAQ.
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