You can integrate ContactWorld is integrated with Salesforce1 meaning so that agents can call their contacts straight from the Salesforce1 app on their mobile phone. Making a call using the NVM Call button in Salesforce 1, Salesforce1 results in ContactWorld logging that call in Salesforce. The call is recorded and logged in the same way as if the call is made using ContactPad.
For more information about using ContactWorld for Salesforce in Salesforce1 on your mobile phone, see Using ContactWorld in Salesforce1 on your mobile device.