Networking gear maker Ericsson has signed an agreement with Idea Cellular to provide managed services in five Indian telecom circles, the company said on Tuesday. The circles include Mumbai, Jammu and Kashmir, Himachal Pradesh, Northeast, and Assam. Finan-cial details, however, were not disclosed. Under the deal, Ericsson will be responsible for managing network and field operations, maintenance activities for 2G and 3G sites, network design etc.