Supported devices
ATA Adaptors
IP Phones
Cordless IP Phones
IP Conference Phones
IP PBX Software/Hardware
Desktop Softphones
Mobile Softphones

Security considerations for Callcentric customers

3CX Version 6
3CX Version 12
3CX Version 12.5
3CX Version 15
3CX Version 16
3CXPhone (for Windows)
3CXPhone (Mobile)
Aastra 6753i
Acrobits/Groundwire for iPhone
Android SIP Client
Apivio MWP1100
Asterisk 1.4 and 1.2
Asterisk 1.6
Asterisk 1.6.2, 1.8, and 10
Asterisk 14
Asterisk 17 CHAN_SIP (Vanilla)
Asterisk 17 PJSIP (Vanilla)
Asterisk Admin GUI v2.11
Asterisk Admin GUI v12
Asterisk Admin GUI v13
Asterisk Admin GUI v15
Bria Solo
Bria Desktop
Bria Mobile
Cisco ATA 186/188
Cisco SPA112/SPA122
CloudTC Glass 1000
D-Link DVG-1402S
Gigaset A510 IP
Gigaset C610A IP
Gigaset DX800A
Grandstream DP715/710
Grandstream DP750/720
Grandstream DP752/730/722
Grandstream GAC2500
Grandstream GRP2612
Grandstream GRP2613
Grandstream GRP2614
Grandstream GRP2615
Grandstream GXP1450
Grandstream GXP1620
Grandstream GXP1625
Grandstream GXP1630
Grandstream GXP1760
Grandstream GXP1782
Grandstream GXP2110
Grandstream GXP2130
Grandstream GXP2140
Grandstream GXP2160
Grandstream GXP2170
Grandstream GXP2200
Grandstream GXV3140
Grandstream GXV3240
Grandstream GXV3275
Grandstream GXV3370
Grandstream GXV3380
Grandstream HandyTone 286
Grandstream HandyTone 486
Grandstream HandyTone 702
Grandstream HandyTone HT802
Grandstream HandyTone HT814
Grandstream HandyTone HT818
Grandstream UCM6102
Grandstream UCM6204
Grandstream Wave Lite
Grandstream WP820
Htek UC803
Htek UC860
Htek UC924
Htek UC926
Innomedia SIP MTA-6328
Innomedia BuddyTalk 110
Linksys PAP2
Linksys SPA3102
Linphone Desktop (v4.1.1)
Linphone Desktop (v3.4.3)
Linphone Mobile
Linphone Mobile (v.3.2.3)
NCH Express Talk
Nokia E90
pbxnsip Version 3
Polycom SoundPoint IP 601
Polycom SoundStation IP 5000
snom 1xx/2xx/3xx
snom 820
snom D717
snom D735
snom D785
snom M9
snom ONE
Telco AC-211
trixbox / Elastix / pbx-in-a-flash
Windows Messenger
Unidata ICW1000G
Uniden EXP1240
UTStarcom F3000
Vodia PBX (v5)
Vodia PBX (v64.0)
VTech VCS754
VTech VDP650
VTech VSP600
VTech VSP725
VTech VSP726
VTech VSP735
VTech VSP736
X-Lite / X-Pro / eyeBeam
Yealink T32G
Yealink T41S
Yealink T42G
Yealink T42S
Yealink T46G
Yealink T46S
Yealink T48S
Yealink W52P
Yeastar MyPBX U100
ZoIPer 3.2
ZoIPer 5
ZoIPer Mobile
Zoom 5801
Zycoo CooVox U20
Other Linksys/Sipura products
Generic / Other Device

DID-Based Routing with Asterisk

OBiHai 202The OBi202 is a two port ATA, with a built in router, from OBihai Technology Inc. This device contains two FXS ports for use witth your SIP providers. You may also purchase a wifi dongle which attaches seamlessly to the device's USB port and frees you from at least one ethernet cable.The device is simple to setup and can be configured and used in minutes. Additional advanced parameters are also available to end users through the admin interface.

The OBi202 product page and user manual can be found here.

The information below is based on version 3.0.0 (Build: 3184M) for the OBi202.

You may also use this guide to assist you with configuration of similar OBihai products.

OBihai web page

Help / Support:
OBihai support page
Manual and documentation

Please note that if you choose to use the tool below voluntarily that you would providing your login information to a third party. If you are aware of and accept this then you may follow the links below to asssit you with configuration. Otherwise you may move to Step 1 of this setup guide..

OBihai provides a Callcentric wizard on both the and websites where Callcentric customers can easily input their Callcentric username and password, press Submit and start making calls.

A visual guide can be folowed by clicking here.
The wizard is here.
The wizard can also be found in the Device Configuration area for your OBi - log-in to required.

If you have configured your deive using any of the methods above DO NOT follow the instructions below. Instead please use the interface to manage your device.

Configuring the OBi202
If you opt to configure the OBi via its internal web page, the following information in this guide, will assist you to do just that. If you need to factory reset your device please follow the instructions here.

In this guide we will go through configuring the OBi202 in order to register to the Callcentric servers so that you will be able to place and receive calls using your Callcentric account. Before moving forward please ensure you have properly added the device to your network by connecting it to your router or gateway. The device should be plugged in and the status lights should be green.

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

Note: This device supports many advanced options. Only the basic required ones are explored in this setup guide. If you need further help with any specific issue please let us know.
STEP 1 Logging into your device
  • Dial ***0 from the phone connected to the OBi202
  • Enter 30#
  • Press 1 to Enter a New Value
  • Press 1# to Enable
  • Press 1 to Save
  • Hang up

You have just enabled web access configuration for your device.

Next we will acquire the IP address of your device, if you haven't already done so. You can acquire the IP of your device by:

Picking up the connected handset and dialing *** and then dialing 1

You should be provided with the current IP address of your OBihai device. If your IP is please make sure that your device is properly connected to your network.

Once you have acquired your IP login to your device by using http://DEVICE_IP/. If this is your first time logging into your device you may be asked to enter a username and password. By default for admin login this should be:

User: admin
Password: admin

If you do not have this information then you will need to either reset or acquire this login information. Unfortunately we would not be able to provide support on this topic. You may however visit the OBihai support page for your specific device.

Once logged in you should see a screen similar to the one below:

STEP 2 Disabling Provisioning
If you will be using Obihai's prvisioning servers for other services please skip this step and go onto step 3!

Since you are using this guide to configure your device we assume you do not wish to use Obihai's provisioning servers. If so please make sure to disabled them. We do this here because configurations may get overridden by automatic firmware updates... etc.

System Management > Auto Provisioning
Uncheck the following options under the Default column header and click Submit on the bottom and make sure the values are as follows:

ITSP Provisioning
Parameter nameValue

OBiTALK Provisioning
Parameter nameValue

STEP 3 Configuring your Callcentric account
We will configure your Callcentric account on the desired Service Provider and Voice Services profile. Please select the matching profiles (A = 1, B = 2), ITSP Profile/SP Service, and enable and set the following options:

Service Providers > ITSP Profile > SIP
Uncheck the following options under the Default column header and click Submit on the bottom and make sure the values are as follows:

Parameter nameValue

Service Providers > ITSP Profile > General
Uncheck the following under the Default column header and click Submit on the bottom and make sure the values are as follows:

Parameter nameValue
NameYour Desired Name, or your 1777 number

Next we will configure your Voice Services information by entering your username and password.

Voice Services > SP Service
Uncheck the following under the Default column header and click Submit on the bottom and make sure the values are as follows:

Parameter nameValue
AuthUserName: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.
AuthPassword: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.

Once you have saved your changes you will want to click on the Reboot button at the top right of the page to reboot your device and allow it to register to your Callcentric account.

Once the device has rebooted you will see that your configured Profile has been registered properly:

STEP 4 That's it! You can now make a phone call.
You can make test calls 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
011 + the country code, area code, and number for calls worldwide (you may also use 00 instead of 011).