Patent ID: 9271127
Filing Date: 2016-02-23
CPC Classification: H04L,H04W

Claim Text:
1. A communication method for automatically switching between cellular networks and IP networks, the method comprising: using a full or partial mobile phone number or a result calculated from the full or partial mobile phone number as an identifier of a client or an user account or a part of the identifier of the client or the user account; and a sending user inputting or selecting the user account or the full or partial mobile phone number of a receiving user on a sending client to send a message to the receiving user, wherein if the sending client can reach a server on the IP networks and if there is the user account corresponding to the full or partial mobile phone number of the receiving user registered on the server and the user account is on line, the sending client sends a message to the server via the IP networks, and the server transfers the message to a receiving client via the IP networks; or the sending client sends the message directly via the IF networks to the receiving client; and wherein if there is no user account corresponding to the full or partial mobile phone number of the receiving user registered on the server or the user account is registered but offline, the sending client directly sends a short message to the full or partial mobile phone number of the receiving user via the cellular networks; wherein sent short messages or received short messages are uploaded to a database of the server via the IP networks, and wherein when a mobile client of the sending user or the receiving user can not access to the IP networks, the client stores an uploading short message, and maintains an order for the uploading short message, and uploads the uploading short message to the server when a mobile terminal accesses to the IP networks.