What number should I dial first for Unicom card to handle multi-number business?

Scope of application of Unicom's multi-number service:

Unicom fixed-line post-paid WeChat official account, mobile phone post-paid and prepaid WeChat official account.

Unicom's multi-service introduction:

Multi-service products are a collection of products with multi-service functions, including multi-service dual number, multi-service call forwarding and multi-service SMS forwarding. You can order one of these services separately, or you can order all the services as needed.

Unicom multi-service function:

The functions of multi-pass products include: multi-pass double number, multi-pass incoming call forwarding and multi-pass short message forwarding, specifically:

1, multi-number and double-number service refers to setting 1 Unicom's 2G/3G mobile phone number or fixed phone number as a secondary number according to your own needs without changing Unicom's original phone number (main number) and communication terminal, and you can easily answer calls and send and receive short messages only by using the secondary number through the main phone terminal.

2. Multi-number call forwarding service refers to the transfer of calls from the original phone number to other Unicom numbers (Beijing local non-roaming numbers). If the binding number is not set, the original number will provide SMS service (SMS service is only for mobile phone numbers).

3. Multi-number SMS forwarding service refers to forwarding messages received by mobile and fixed telephone numbers to other Unicom numbers (local non-roaming numbers), and the sender must be a local number.