関連ワード:  call forwarding code deactivate bsnl    call forwarding deactivate code bsnl prepaid    call forwarding cancel code bsnl    call forwarding stop code bsnl    call divert deactivate code bsnl    conditional call forwarding deactivate code bsnl    all call forwarding deactivate code bsnl    bsnl call forwarding deactivate code vodafone    bsnl landline call forwarding deactivate code    bsnl call forwarding activate and deactivate code