What is SMS signature?

SMS signature is a calling service provided by network operators (China Unicom, China Mobile and China Telecom).

Short message signature service belongs to call service, which is a quick and convenient personalized signature method provided by operators for customers. When sending a short message, the short message system will attach a personalized signature to the content of the short message according to the customer's settings, and then send it to the called mobile phone customer.

The SMS signature service is only applicable to point-to-point SMS within the network (excluding V-network SMS) and SMS sent to different network terminals (Unicom and PHS users).

Extended data:

Features of SMS signature service:

1. Signature management is separated from the setting of signature group contacts, and the contents of signatures and applicable groups and contacts can be managed separately.

2. Signature management: multiple signatures can be set, and each signature can be managed separately, and can be added, deleted and modified.

3. Signature group settings: default signature (signatures of all called numbers), group signature (only set group signature to take effect) and contact signature (only set contact signature to take effect).

4. Signature priority: when there are user default, group and contact signatures, the priority is that the contact signature is greater than the group signature and greater than the default signature.

References:

Baidu Encyclopedia-SMS Signature