Nokia and Ericsson, not Cisco.
Although, the Huawei stuff definitely needs to go, so your characterization is still off.
Although, the Huawei stuff definitely needs to go, so your characterization is still off.
Huawei did sell plenty of pure Ethernet / IP switches and firewalls in the US.
Cisco does have plenty of Carrier-grade, Telco-grade and ISP-grade equipment that are used by operators (4G core, Network Functions, BRAS, GGSN/PGW...).