When can Unicom's esim- 1 dual terminal send and receive short messages?

At present, the eSIM No.1 dual service does not support the affiliated terminal to open short messages for the time being. Other business functions not supported by accessory devices are as follows:

International business: international long-distance and international roaming services are not supported for the time being.

Value-added services: the value-added services subscribed by the main number are not available, and the affiliated terminals are not allowed to subscribe to value-added services.

NFC: NFC payment service based on SIM card is not supported for the time being (NFC function of the terminal itself is not affected by this service).

Others: The accessory terminal is not allowed to order all kinds of voice packets, short MMS packets and traffic packets separately.