Revenue recognition IN R/3 - CRM

Hi All,

The client has already implement R/3 with accrual process in Place t.code vf44 (as of now the contracts are created in R/3 and billed in R/3) with the following scheme of entries in financial accounting (for a quarterly in advance & Quarterly in arrears billing plan)

Contract Details

Contract value: 12000

Contract start date: 1st April 2009

Contract End date: 31st march 2009

Quarterly in advance

At the time of billing

1st April 2009 Customer Dr 3000

1st April 2009 Income receive in advance Cr 3000

Revenue Recognition / Accrual Run

30th April 2009 Income receive in advance DR 1000

30th April 2009 revenue Cr 1000

31st May 2009 Income receive in advance DR 1000

31st May 2009 revenue Cr 1000

30th June 2009 Income receive in advance Dr 1000

30th June 2009 revenue Cr 1000

Quarterly in arrears

Revenue Recognition /accrual run

30th April 2009 Unbilled A/c Dr 1000

30th April 2009 revenue Cr 1000

31st May 2009 Unbilled A/c Dr 1000

31st May 2009 revenue Cr 1000

30th June 2009 Unbilled A/c Dr 1000

30th June 2009 revenue Cr 1000

At the time of billing

30th June 2009 Customer a/c Dr 3000

30th June 2009 Unbilled A/c Cr 3000

Hence forth the contracts will be created in CRM and billed in CRM and now the challenge is to achive the same result with the typical scenarios of creating a contract with periodic billing with following billing plans

1) Monthly in advance

2) Monthly in arrears

3) Quarterly in advance

4) Quarterly in arrears

5) Yearly in advance

6) Yearly in arrears

Please give me inputs how to bill in CRM and the revenue recognition done in r/3 with the above logicand also intigration steps of SAP CRM and SAP FICO

Your reply is awaited

thanks

sk