You can offer your clients to schedule an Online meeting with you using vCita, and use Google Hangout for the video conference.
Once the appointment is scheduled, you and your client will both receive an email notification with a link to connect to Google+ Hangout video.
Follow these steps:
  1. On your Google calendar, create a new event for a year from now (this is just a dummy event – doesn’t matter what’s in it)
  2. Click on Add Google+ Hangout under Video call section 

  3. google hangout
  4. Click on the Save button to save the event.
  5. Select the event on your calendar and click on
  6. Right click on Join Google+ Hangout and select Copy link address
  7. Now go to your vCita dashboard at and select Services settings page
  8. Click on Add Service or Edit an existing one
  9. Click on Edit next to “General” and give it a name of your choice (e.g. “30minute Google Hangout”)
  10. Then click on Edit under Schedulingsection
  11. From the Appointment Type drop down list select Online – Other URLand in the URL text box paste the link copied from your Google calendar.
  12. Click Save then Done