Setup my CRM in Bitrix -- 2

need to set up online CRM database. i will use bitrix or zoho . i need to import my old CRM database from microsoft Access into the new online crm. i need help making all the functions in from my old access crm to work in the new online crm. You will also have to setup the calling function. Bitrix setup is very easy and ZOHO even offers a direct upload from access to ZOHO CRM so you can choose the one which is cheapest and best. Please mention timeline in your budget proposal