Use this article if issue is related to Canadian Number

• Check if Canadian number has been ported successfully https://goo.gl/JGlurS
  
• User Portal > Main Settings > Verify Forwarded No > Save Again even if it is correct
  
• Agent Portal > Check if there is positive balance besides Canadian No
  
• Agent Portal > Select VOIP > Change Both Servers to 69.90.241.48 (must logout the dialer and login again)
  
• If Calls are going to US number's voicemail, then there is no issue
  

• Confirm if Dialer has "Registered" status
  
• Agent Portal > Check if there is positive balance besides Canadian No
  
• Ensure iOS version is up to date, 10 or above (Settings > General Settings > About > Version)
  
• Agent Portal > Select VOIP > Change Both Servers to 69.90.241.48 (must delete the dialer and reinstall again)