| GENERAL INFORMATION |
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 The GXP1450 is a two-line device that is part of a new line of Office IP phones from Grandstream. In our experience we found this device to be reliable, full featured, easy to configure, and affordable.
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| RESOURCES |
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Websites:
Grandstream Homepage
Help / Support:
Grandstream GXP1450 resource page
Grandstream GXP1450 product manual
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| Configuring Grandstream GXP1450 |
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These instructions are based on Grandstream GXP1450 software version 1.0.4.9; if you are running a different software version some menus and settings may be different. These instructions are also based on using the GXP1450 in its factory default configuration, which obtains a dynamic IP address automatically from your router using DHCP. For information on configuring your GXP1450 with a static IP address please refer to the GXP1450 user manual.
Configuring the GXP1450 is relatively straightforward; while there are many options available you only need to edit a few of them to get up and running.
We recommend that you read each step through in its entirety before performing the action indicated in the step.
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| STEP 1 |
Getting your GXP1450 connected to your network |
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Connect your GXP1450 to your router using the included Ethernet cable. Once that's completed, plug the AC adapter to your phone then the other end to an available power outlet.
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| STEP 2 |
Accessing your web configuration |
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Once you have powered up your device plus wait 60 seconds for GXP1450 to fully boot up.
On the LCD Screen of the phone, directly beneath where it says "Grandstream" you should see the device's IP address which will be in the following format: "192.168.1.10". Note that the actual numbers you see will most likely be different.
On your computer open a web browser like Chrome, Firefox, Internet Explorer, or Safari, and enter the IP address that you see on your phones LCD screen in the address bar(the same location where you enter web addresses).
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| STEP 3 |
Logging in to the GXP1450 |
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You should now see a page that looks like this:
Enter the GXP1450's password in to the "Password" field shown, by default this password should be "admin" (without the quotes). Once you have logged in you should see a page that looks like the screen shot below:
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| STEP 4 |
Configuring your Callcentric account |
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We will now configure one of the lines on the GXP1450 to work with your Callcentric account. To begin, and assuming you are still on the Status page shown in the previous step, please click the "Accounts" link on the top of the page as highlighted below:
From there you should be brought to the Account 1 settings page. Once there make the following changes in your configuration:
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| Setting | Value |
| Account Name: | MyCompany |
| SIP Server: | sip.callcentric.net |
| Secondary Server: | sip.callcentric.net |
| Outbound Proxy: | sip.callcentric.net |
| 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. |
| Authenticate 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. |
| Authenticate 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: | 1777MYCCID, or any name you choose |
| DNS Mode: | A Record |
| Send DTMF: | via RTP (RFC2833) |
| Dial Plan: | {[x*]+} |
| Preferred Vocoder: | PCMU, PCMA, G.729A/B |
Your configuration should look similar to the one shown in the picture below:
And your codec configuration should look as follows(note that G.722 is optional, feel free to replace it with PCMU):
Once all changes have been made please click the "Update" button on the bottom of the page, then "Reboot" from the following page that you are brought to after the update.
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| STEP 5 |
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 GXP1450 installation, follow the directions listed in this FAQ.
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