You can change the cell phone or landline phone number that your Virtual Phone Line forwards to with your mobile phone via SMS.
If you have purchased any virtual number which support SMS, then you will be to change ring to via SMS.
Currently this features supports only PSTN line.
To change forwarding to your mobile phone line, write a SMS from this mobile phone and put the confirmation code. You can find confirmation code from User Profile section on your client area.
Send this SMS to the virtual number you have purchased.
It will change your forwarding immediately.