If I change my course to Asahi Net docomo Hikari, do I also need to change the subscriber name for docomo Hikari by NTT docomo?
A
The subscriber name for NTT docomo will not be changed.
Your contract with Asahi Net does not affect your NTT docomo contract. Even if you change the subscriber name for Asahi Net docomo, it will not automatically change the contract details with NTT docomo.
Furthermore, contract with Asahi Net docomo Hikari is possible even if the subscriber name of Asahi Net and NTT docomo Hikari is not the same.
Your contract with Asahi Net does not affect your NTT docomo contract. Even if you change the subscriber name for Asahi Net docomo, it will not automatically change the contract details with NTT docomo.
Furthermore, contract with Asahi Net docomo Hikari is possible even if the subscriber name of Asahi Net and NTT docomo Hikari is not the same.