Solution : https://service.sap.com/sap/support/notes/81335 (SAP Service marketplace login required)
Key words : 
exampledelivery schedule 1 - release date jan, additional key words sis, meng15                                     lg /field descr, datum                                     lg / field descr, applied hot package number 4, delivery schedule 2 - release date jan, sis                 component supplier processing               +--------------------------------------------------------+, cumulative delivered quantity reached, 10 / release date               development class, individual delivery schedule lines
Related Notes : 
       
| 899980 | How is the open quantity calculated in SD -> TR | 
| 499783 | Updating KWMENG & KBMENG in ODS with scheduling agreements | 
| 434666 | BW/SIS: Sched.lines after release date in sched.agreements | 
| 204130 | SIS update: Collective note | 
| 144016 | Incom. sales order for sched. agreements incorrect | 
| 138458 | Incoming orders: Component supplier: Alternative update | 
| 129470 | Incoming orders for component suppliers: Alternative update | 
| 128362 | Adjusting weight... for incomg order comp.supplier | 
| 125763 | SIS: Collective note - component supplier | 
| 109189 | SIS comp. supplier:Incoming order may be too high | 
| 94313 | Compon.supplier:incoming order stat.set up incorrct | 
| 91389 | Incoming orders: better source code structuring | 
| 87004 | Release: original release date may be overwritten | 
| 84112 | Schedule for scheduling lines | 
| 77319 | Deliv.sched. processing: incorrect delivery index | 
| 73662 | SIS performance credit in order processing | 
| 60113 | Component suppl. processing: Incoming order stats. | 
| 47750 | Customer req.qnty from delivery schedules, SIS |