Patent ID: 9497605
Filing Date: 2016-11-15
CPC Classification: H04L,H04W

Claim Text:
1. A short message processing method, comprising: sending, by a calling terminal, a short message service (SMS)-submit message to either a mobile switching center (MSC) or a service general packet radio service support node (SGSN), wherein the SMS-submit message carries a session initiation protocol (SIP) uniform resource identifier (URI) of a called terminal and an indication that the called terminal does not have a mobile station international Public Switched Telephone Network (PSTN)/Integrated Services Digital Network (ISDN) number (MSISDN), wherein the SIP URI is an Internet Protocol (IP) Multimedia Subsystem Public User Identity (IMPU) of the called terminal, wherein the called terminal does not have the MSISDN, wherein the indication is a value that indicates to the MSC or the SGSN that the called terminal does not have the MSISDN, wherein the SMS-submit message is received by either the MSC or the SGSN, and wherein the SMS-submit message is then sent to an SMS-service center (SMS-SC) via an SMS-interworking mobile switching center (SMS-IWMSC); sending, by the SMS-SC, to an SMS-gateway mobile switching center (SMS-GMSC), an SMS-deliver message and the indication that the called terminal does not have an MSISDN, wherein the SMS-deliver message carries the SIP URI of the called terminal; sending, by the SMS-GMSC, the indication and a Forward Short Message to an Internet protocol-short message-gateway (IP-SM-GW), wherein the Forward Short Message carries the SIP URI of the called terminal; acquiring, by the IP-SM-GW, the SIP URI of the called terminal from the Forward Short Message according to the indication; and sending, by the IP-SM-GW, an SIP Message to the called terminal, wherein a request URI of the SIP Message is the SIP URI of the called terminal.