Ericsson is reportedly ready to buy the business support systems (BSS) unit of Nokia Siemens Networks (NSN), Dow Jones Newswires reported on Monday.
U.S. telecoms equipment maker Amdocs is also interested in the BSS unit.
NSN's BSS unit which provides billing and charging systems for telecoms operators.
Another report from Reuters says BSS unit was among assets NSN was considering selling
Ericsson and NSN, a joint venture between Nokia and Siemens AG, have not provided any comment.
NSN is expected to cut 17,000 of the group's workforce in an effort to improve its finances.