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Supported devices
ATA Adaptors
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Security considerations for Callcentric customers

3CX
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3CXPhone (for Windows)
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Aastra 6753i
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Asterisk 14
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Bria Desktop
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D-Link DVG-1402S
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Grandstream DP715/710
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Grandstream HandyTone 702
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Innomedia SIP MTA-6328
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Nokia E90
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OBi100/110
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pbx-in-a-flash
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snom 1xx/2xx/3xx
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trixbox / Elastix / pbx-in-a-flash
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DID-Based Routing with Asterisk
DID-Based Routing with trixbox / Asterisk Admin GUI / Elastix / PBX-in-a-Flash
Grandstream HandyTone 702

GENERAL INFORMATION
The Grandstream HandyTone 702/7XX series is the latest in the HandyTone line. The 702 is a reliable, inexpensive telephone adapter which works with the Callcentric service when placed behind your broadband internet router.


RESOURCES
Websites:
Grandstream Homepage
Grandstream HT702 product page

Help / Support:
Grandstream HT702 resource page
Grandstream HT702 product manual


Configuring the Handytone 702
These instructions are based on HandyTone 702 software version 1.0.0.18; if you are running a different software version some menus and settings may be different. These instructions are also based on using the HandyTone in its factory default configuration, which obtains a dynamic IP address automatically from your router using DHCP. For information on configuring your HandyTone with a static IP address, please refer to the HandyTone user manual.

We recommend that you read each step through in its entirety before performing the action indicated in the step.

STEP 1

Connect your HandyTone to your router with the supplied Ethernet network cable. Now connect your phone to the HandyTone. Finally plug the supplied power cable into the HandyTone.

STEP 2

Wait 60 seconds after plugging your HT702 in.

Pick up the phone connected to the HT702 and dial the * key on your phone 3 times.

Have a pen and paper ready. You will hear a message - "Enter a menu option", then enter 0 2 on your phone. You will now hear a message giving you the IP address of your HT702 such as - "192.168.001.010" and write this number down.

Open a web browser on your computer such as Chrome or Firefox and enter the IP address you heard in step 4 as the address (I.E. where you would normally enter www.yahoo.com).

Please note: some browsers will require you to remove leading zero's ( 0 's ) in the IP address. For example if you heard "192.168.001.010" you should change this to "192.168.1.10".

STEP 3

You should now see a page that looks like this:



Enter the password for the HT702 in the password field. The default administrator password for the HT702 is "admin" (without quotes).

After entering the password you should see a screen that looks similar to the one below:



STEP 4

Now, click on FXS PORT1 and configure your settings accordingly (as shown below):



Please use the following settings to configure your Callcentric account:

Menu ItemSetting
Primary SIP Server:callcentric.com
Outbound Proxy:callcentric.com
NAT Traversal (STUN):No, but send keep-alive
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.
DNS Mode:SRV
Unregister On Reboot:Yes
Allow Incoming SIP Messages from SIP Proxy Only:Yes
Preferred DTMF method:In-audio, RFC2833
Enable Call Features:No
Dial Plan:{[x*]+}
Preferred Vocoder:PCMU, G729, PCMA


STEP 5

Once you have configured the settings above, click the Update button and then the Reboot button to save the configurations.

Your HT702 will power cycle after you click the reboot button. Please wait at least 30 seconds for the unit to finish power cycling. If you see that the Phone 1 LED (or phone 2 LED, depending on which FXS port you've configured our service towards) is a solid green color, then your unit is configured and ready to make calls.

STEP 6

That's it! You can now make a phone call.

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).