Volvo Repair: Volvo S80 T6 On Call Plus Deactivated Indicator, volvo s80 t6, volvo s80

Question
How can I remove the "On Call Plus Deactivated" warning message? Is there a reset procedure?  Thanks for any help you can provide.

Answer
i told you all how to remove the on call phone system and what to do i don't understand you ratting me low(you ratting has no effect on my volunteering free advice your ratting is  just how you are thankful for my free help and waist of time  )  please don't ask me anymore  questions .go find the  help you need  at you local repair mechanic maybe he knows more  than what i told you   i don't provide info how you can do it your self or safe money or a way to avoid going to a volvo dealer  i provide just info what volvo dealer will do for you remember to  drive safe and use volvo original service and  parts only  .good luck