The main card and secondary card are paid by unified account. Any mobile phone number in the main card and secondary card can be used as the service number for unified account payment\/recharge, so: After the secondary card recharges the phone charge, the unified account does not owe the charge, and the main card can be used.
Extended information:
The tariff characteristics of telecom master and vice card service are:
(1) Sub-card sharing main card basic package, billing,
(2) Sharing national roaming answering free offer: both the main and secondary cards can enjoy the national roaming answering free policy offer.
(3) Shared call fee subsidy: The sub-card can share the main card pre-stored to return the call fee or give the call fee and other benefits.
(4) Local mutual call promotion can be enjoyed between the primary and secondary cards, that is, the primary and secondary card users can provide a total of 300 minutes of free local mutual call time per month.
(5) The value-added services included in the package are only used by the main card, and the secondary card does not share the value-added services in the basic package selected by the main card;
(6) The main and secondary cards can order value-added services and optional packages separately, but following the principle of \"who orders, who uses\
Because the secondary card is bound with the main card, the secondary card charge is also charged to the main card