Telecoms group Telkom says it had signed heads of agreement on Multi-Links with an affiliate of Helios Towers Nigeria.
A Nigerian firm backed by Helios Investment Partners and South Africa’s Shanduka Group has said it is suing Telkom for at least $251-million.
Beijing promised on Tuesday to fight ambush advertising during the Olympic Games that threaten official sponsors, saying organised groups of spectators wearing competing brand logos would not be allowed. McDonald’s, Coca-Cola and other sponsors paid tens of millions of dollars to link their names with the Beijing Olympics.