Phone number transmitting and receiving and automatic storage method

The present invention discloses a phone number transmitting and receiving and automatic storage method in phone talking, which includes the following steps: 1) a transmitting terminal judges whether the phone number is selected for search in the phone talking, if it is true, the selected phone number will be inputted; 2) the transmitting terminal transforms the phone number to DTMF information and load it to DTMF pulse signal for transmitting; 3) a switchboard receives the DTMF pulse signal, reads out the DTMF information and transforms it to phone number, and sets the record type to phone number function and transmits it to a receive terminal after storing the phone number in express information message; 4) the receive terminal receives the express information message and judges whether the record type is set to phone number function, if it is true, reads out the phone number stored in the CHARi field and stores it to phone number book. The invention can reduce the inconvenience that the receiver should remember the phone number to be received one by one or the phone number should be input by key region.