Patent ID: 8265233

Claim:
A method of providing an early media by an application server during a session initiation protocol (SIP) based call connection between an originating terminal and a terminating terminal, the method comprising: receiving an invite message containing a first session description protocol (SDP) information from the originating terminal, and transmitting the invite message to the terminating terminal; receiving a 180 ringing message containing a second SDP information from the terminating terminal that receives the invite message, prior to receiving a call response message from the terminating terminal; providing the second SDP information to the originating terminal; acquiring media information of contents for the early media from a media server, and transmitting a message containing the acquired media information to the originating terminal; providing the early media to the originating terminal, using the media server; and after receiving the call response message from the terminating terminal, stopping transmitting the early media to the originating terminal and establishing the call between the originating terminal and the terminating terminal.