OBi 100/110 & OBi 200 - Wiki

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OBi 100/110 & OBi 200

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The OBi100 & OBi200 are single phone port ATA adapters that support SIP VoIP services. The OBi100 & OBi200 are perfect for customers who do not have a traditional phone service, yet need a similar solution and want the savings and simplicity of using a VoIP service for all their calls. To start configuring your OBi100 or OBi200 device you will need to plug it in to your router/modem via its Internet port with an Ethernet cable and connect a regular handset phone to it's Phone port, then follow the next steps.


Manual Configuration Details

Start by dialing * * * from the connected phone, then press 1 to confirm your choice, this will return the IP address of your device being a number similar to
Once you get the IP address, enter it in the URL address bar "http://" of your Internet Browser to get access to the Graphic User Interface of the OBi100.

For an OBi202 please do the following to enable the GUI Web Interface:

Dial *** from the phone connected to the OBi202
Enter 0 For Advanced
Enter 30# Check Mark from
Press 1 to Enter a New Value
Press 1# to Enable
Press 1 to Save
Hang up

If done properly, the following window should appear on your screen:

Authentication Window - click to enlarge

Once you get the Authentication Required window you will be prompted for a User Name and Password, the default credentials are:

User Name: admin

Password: admin

After this, you should now be able to see the OBi Web interface.

Now on the left side of the screen please find the next options and follow the next steps:

Disabling auto-provisioning

**NOTE : You may use this guide to configure an OBi110 as well. This is the recommended configuration versus using the Obihai configuration dashboard (more on this later on this page) and you may also not find all new servers on the Obihai Dahsboard. In order to make sure there will be no conflicts between this Manual configuration and the Obihai dashboard, please perform the following steps to disable auto-provisioning:

  • System Management -> Auto Provisioning -> Auto Firmware Update -> Method : Disabled
  • System Management -> Auto Provisioning -> ITSP Provisioning -> Method : Disabled
  • System Management -> Auto Provisioning -> OBiTALK Provisioning -> Method : Disabled
  • Voice Services -> OBiTALK Service -> Enable : Unchecked
Please note you must remove the check mark from the "default" column, then under "Method" please use the 'Drop Down Selection' and choose Disabled.
Disabling Auto Provision - click to enlarge

After this, save all changes and you are ready to move on to the actual configuration.

Configuring the ITSP Profile

General Section

In this section you will set the name and the DigiMap you will use in the profile you configure. By default you will configure the profile A, unless you use the same device with another provider.

Name: 100000 (Replace with your 6 digit Main SIP account UserID or Sub Account user name, i.e. 123456 or 123456_sub)
DigitMap: Copy the line, including parenthesis, in the Digitmap field in the ITSP Profile and replace the "555" digits in the following lines by the area code of your choice:
Dial Plan (recommended):

Also, some clients have been successful by dialing **1 and *97 for line 1 or **2 and *97 for line 2.

  • If you need to set the dial plan back to Default, you can use this:
ITSP profile, General - click to enlarge

SIP Section

In this section you can set the server and the port that you wish to register to.

Please note that in order to change the settings, you need to uncheck the Default box on the right hand side. 
  • ProxyServer: (one of multiple servers, you can choose the one closest to your location.)
  • ProxyServerPort: 5060
  • RegistrarServer: (one of multiple servers servers, you can choose the one closest to your location.)
  • RegistrarServerPort: 5060
ITSP profile, SIP - click to enlarge

Additionally, you may want to change the RegisterExpires value to 300, scroll down, deselect the default box and set the value there from 3600 to 300.

ITSP profile, SIP (Register Expires)- click to enlarge

Configuring Voice Services

In this section you can set your Main account/sub_account credentials like User name and Password. The Main account password by default is the same password as the Customer Portal.

  • AuthUserName: 100000 (Replace with your 6 digits Main SIP account UserID or Sub Account user name, i.e. 123456 or 123456_sub)
  • AuthPassword: ****** (Your SIP Account Password)
Voice Services (SIP Credentials) - click to enlarge

Once you have finished changing all those settings, click on the button Submit to save the changes and reboot your OBi device,  your device should now be registered.

Configuration for usage with call encryption TLS/SRTP

Configuring a Voice line using TLS

NOTE: This section is optional. It explains in detail how to use encrypted traffic in the device. If you are not certain about how encrypted traffic works, or the benefits of encrypting SIP traffic, please contact technical support for more information.

These devices are compatible with TLS, however, some settings need to be adjusted to have it working. This section will be assuming that your SIP account is already enabled to use TLS, if you have not enabled it yet, please follow these instructions before going further:

For more information on how to enable encrypted traffic for the main account, please click on Main account or more information on how to enable encrypted traffic for the sub-account sub account

Configuring your OBi device

In order to use TLS/call encryption with OBi devices, you'll need to modify the following parameters accordingly. Please note that this is only available for some OBi devices, and the screenshots are from the most recent firmware version.

Under Service Providers > ITSP Profile > SIP use the following values:

ProxySeverPort: 5061
ProxyServerTransport: TLS
RegistrarServerPort: 5061
OutboundProxyPort: 5061
X_OutboundProxyTransport: TLS
ITSP profile, SIP (TLS)- click to enlarge

Under Voice Services > SP Service use the following values:

X_KeepAliveServerPort: 5061
Voice Services, SP Service (SRTP)- click to enlarge

Configuration Using OBi Dashboard

Besides the Manual Configuration previously explained, Obihai also provides us with their own API dashboard where you can add your device, to complete the configuration in easy steps. Add your device to the OBiTALK service in the OBi Dashboard [1]. Instructions for this are included with the OBi110 and are not discussed here.

After the OBi110 is added, edit the device. You can select Service Provider 1 or Service Provider 2 under the Configure Voice Services heading. This will take you to a page where you can select Follow the instructions and once you are done the configuration will be downloaded to your Obi110.

Known Issues and Resolutions

Ghost Calls

Some customers have reported receiving constant calls from "100" or "101" as callerID. These calls are going directly to your device and do not pass through our servers, so we cannot filter them. You can read more about these calls, including how to prevent them, here: Sip Scanner Ghost Calls

You can also follow these suggestions, specific for the OBi brand devices:

  • You can just disable (by unchecking Enable) for SP2 and OBiTALK under your Voice Tab (If you are using our service as SP1).
  • You can restrict which IP addresses that can connect to your OBi. Going to "Service Providers -> ITSP Profile A -> SIP -> X_AccessList" : voip.ms_ip_address. You can see the IP address of the server you are currently using from this link: Server's IPs
  • You can also change your Obi Firewall Setting X_InboundCallRoute to : {(?|x|xx|xxx|xxxx|xxxxx|xxxxxx|un@@.|anon@@.):}, ph
This will only allow 7 digit or greater numbers through.
  • Another alternative: OBi Interface>> Voice Services>> SP1 Service>> X_InboundCallRoute: {>('Insert your AuthUserName here'):ph}, example:
{>('100000'):ph} where 100000 is replaced with your own six digit SIP account UserID or the sub-account registered with your device.

By default, OBi devices accept calls destined for any username. The above syntax rejects calls that are not intended for whatever you have configured as AuthUserName.

10 Second Delay Reaching Voicemail Attendant when dialing *97 or *98

The Obi 100, 110 and 202 devices have non-configurable 'short' and 'long' delays if a dialed sequence does not match a digitmap. So you may have a 10 second delay when you dial into your voicemail because of the built-in 'long' delay. This can be resolved in a couple of ways. Simply dial a # sign after you dial *97 or *98. Or include literals in your digitmap under the Service Provider / ITSP profile A or B / General / digitmap. Here is an example digitmap with a *97 literal included:


The literal in the example is '*97'. You could also add a literal for '*98'.

Then when you dial *97, the device immediately sends it instead of waiting 10 seconds.

Read more on digitmaps under the topic Digit Map Configuration in the Obi Device Admin Guide.

Call Drops

If you experience random call drops while in the middle of a call or if the person you talk to remains silent for over a minute (60 seconds by default), OBi will hang up the call. Please go here and check and increase the following setting (Physical interface -> LINE port -> DetectFarEndLongSilence / SilenceTimeThreshold)

Enable Message Waiting Indicator MWI

To enable MWI please refer to the following section of the OBI web page:

Voice Services -> SP1 Service -> Calling Features ->

MWIEnable - Uncheck the box at the far right, to be able to check the box at the left, this enables the option.

X_VMWIEnable - Uncheck the box at the far right, to be able to check the box at the left, this enables the option.

MessageWaiting - Mark the checkbox

After these steps, the MWI should be active and working.

If you are trying to place an outbound call and get a recorded message ¨There is no service to complete your call¨ Please do the following to resolve this.

 In Your OBi Device please go to Physical Interfaces >> PHONE Port which by default it is PSTN and it needs to be changed to Trunk Group 1

Using the OBi Network

You can use your OBi device to make calls directly to other OBi devices "The OBi comes out of the box ready to make FREE calls to other OBi endpoints using the OBiTALK network. Dialing **9 + obi account number will use the OBiTALK feature and does not place calls to regular numbers nor use our network. " Be aware that those calls will not pass through our network. If you need assistance with that feature, please contact OBI's support.

Can not dial *98 even if is on your DigiMap

By default your OBi device uses *98 as Blind transfer code. If you want to be able to dial *98 from your device, you should change this code. You can achieve this in the settings of your device at: Star Codes >> Star code profile (A/B), unmark the "default" box and change *98 for something else (like *99)

Changing *98 default code - click to enlarge

Using the Phone book of your customer portal

If you plan on using the Phone Book in your Customer Portal and Speed Dial *75. Please log into your OBi and change the built-in speed dial code from *75 in the device to something else.

An additional note regarding outgoing calls

In at least one instance it was necessary to specify a non-default outbound calling route in the OBi110 to be able to place calls using the service. The default setting had the OBi110 attempting to place calls using the PSTN port on the device. The relevant setting is:

Physical Interfaces >> PHONE Port

  • PrimaryLine: (Select from drop-down)
Changing Phone Port - click to enlarge

The default is PSTN. Select SP1 Service if you only have one SIP account configured on the device. Select Trunk Group 1 to have it attempt to place calls using SP1 first, then SP2. Additional Trunk groups can be configured under Voice Services >> Gateways and Trunk Groups.

Portions of this article have been taken from Mango's Guide to Configuring an OBi ATA. Used with permission.

Guide Links

In the event where you need the guide directly from OBIHAI Technology Inc, you may find the admin manual guide below:

Admin Manual : Download PDF

OBI 100/110 OBI 200/202 star codes

Here's a list of the most common used Star codes available for the OBI devices.

  • *81 Block Caller ID (Persistent Mode)
  • *82 Unblock Caller ID (Persistent Mode)
  • *67 Block Caller ID (One Time)
  • *68 Unblock Caller ID (One Time)
  • *72 Call Forward All (Enter Number + #)
  • *73 Disable Call Forward All
  • *60 Call Forward on Busy (Enter Number + #)
  • *61 Disable Call Forward in Busy
  • *62 Call Forward on No Answer (Enter Number + #)
  • *63 Disable Call Forward No Answer
  • *56 Enable Call Waiting
  • *57 Disable Call Waiting
  • *78 Do Not Disturb - Turn On
  • *79 Do Not Disturb – Disable

You can also click on the following link in order to see different guides available to see all the functionalities, star codes and more: OBI guides

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