Patent ID: 7490076

Claim:
A method for searching across instant message systems, comprising: providing a WV-IMPS instant message system and a SIP/SIMPLE instant message system; initiating a search request message carrying key words for searching by an IMPS user terminal to an IMPS server; receiving the search request message by the IMPS server; judging according to the key words for searching by the IMPS server; forwarding the search request message to an interconnecting server through a SSP message when the search is desired within a SIMPLE instant message server; converting the SSP search request message by the interconnecting server to a SIMPLE instant message search request message; forwarding the SIMPLE instant message search request message to the SIMPLE instant message server; finding a search result matching the key words for searching by the SIMPLE instant message server; returning a SIMPLE instant message search response message to the interconnecting server by the SIMPLE instant message server; converting the SIMPLE IM search response message by the interconnecting server to a SSP search response message; forwarding the SSP search response message by the interconnecting server to the IMPS server; processing the SSP search response message by the IMPS server to form a search result; and returning the search result to the IMPS user terminal.