There are three of five places for African nations still available.
Nigeria qualify for 2018 finals after win over Zambia.
Cameroon fail to qualify for 2018 World Cup
Nigeria beat Cameroon
Christoffer Mafoumbi played for Congo in the 2017 Africa Cup.
A two-day conference in Morocco has been looking at the future of football in Africa.
Tunisia beat Egypt and Algeria beat Togo.
Former winners Nigeria, Ivory Coast and Zambia lose at home.
Holders TP Mazembe through to group phase.
Holders TP Mazembe beat JS Kabylie .
Congo
AFRICA CUP 2015
Nations Cup appearances: 6
Best result: Winners (1972)
Coach: Claude LeRoy (France)
Key player: Prince Oniangue
Fifa ranking: 61
Congo are appearing at their first Nations Cup since 2000.
Coach Claude LeRoy won the Nations Cup with Cameroon way back in 1988 and will be at his eight finals - a record.
The Red Devils knocked out 2013 African champions Nigeria in qualifying.
