After few mins i am able to place outgoing calls / sms using PM but incoming still goes to my voipms account.
After about 3 days, got an email from voipms that port out is completed. My number is automatically deleted from their system. Incoming and outgoing calls / sms using PM is working OK.
cheap phone bill = Public Mobile 13$ + 3GB data only eSIM plan 0$ + Google Pixel 3a XL