Physical Interfaces -> Phone Port -> CallWaitingEnable: unchecked
You also can just dial *57
*56 will enable Call Waiting.
The following is a general description on using OBi Expert.
From the OBiTalk dashboard click Edit Profile on the left column.
At the bottom of the page check "Enable Obi Expert..."
Click Submit Query.
Now you can go directly to OBi Expert from the dashboard.
Click Obi Dashboard.
On the right of your OBixxx is an icon with a red E.
Click on it to enter OBi Expert.
To navigate click on the titles with the +
Then click on a sub-title
An example click on Service Providers
Then click ITSP Profile A General
There are 2 boxes to the right of each setting
To change a setting uncheck the box under ObiTalk Setting
Then uncheck the box under Device Default
Now change the setting
After you have made all the necessary changes for that page, click Submit at the bottom of the page.
OBiTalk will download the configuration changes to the OBi and reboot it.
Wait until this process is complete before continuing to the next page.