What is Paging Flow Control?

Paging Flow Control is alarm triggered in Ericsson MSC when PCH load is high. Paging flow control alarm for a LAI at the Ericsson MSC At that time Problem in Terminated Calls.Originating calls have no problems. Also notice that a lot of discarded pages due to full paging queue but zero or very few discarded pages due to old paging messages. Solution:LAI split is good solution and also check SDCCH congestion after LAI splitting. Also Check Different value of MFRMS? MFRMS RELATED TO PAGING GROUPS FOR NCOMB Paging Group=(9-AGBLK)*MFRMS FOR COMB Paging Group=(3-AGBLK)*MFRMS