METHOD, INTERCONNECTION GATEWAY AND CLIENT OF FILE TRANSFER

摘要

The present disclosure discloses a file transfer method, gateway and client and relates to communications. The method includes: obtaining a file transfer negotiation request via a first protocol type from a first domain; obtaining information returned by a second domain; determining a negotiation result with respect to the file transfer negotiation request according to the information returned by the second domain; and conducting file transfer between the first domain and the second domain according to the negotiation result. The gateway includes a first transferring unit, a second transferring unit, a first negotiation result determining unit and a first file transferring unit. The client includes a negotiation request obtaining unit and a replying unit. With the invention, negotiation is realized before file transfer between the Session Initiation Protocol (SIP) domain and the Instant Messaging and Presence Service (IMPS) domain so as to avoid unnecessary file transfer between different domains according to the negotiation result.