# Establishing a 3G-324M over IP Session

After configuring the boards, and creating and connecting all components shown in Network Architecture, the host application must perform the following tasks to establish a 3G-324M session with an NbUP RTP Bearer:

Task | Use | For more information, see...
Initiate BICC Call Control (either inbound or outbound). | SS7 ISUP | Dialogic® NaturalAccess™ ISUP Layer Developer's Reference Manual
Proceed with Bearer IP Control, and get the remote IPBCP parameters. | SS7 ISUP and BCF API | Dialogic® NaturalAccess™ ISUP Layer Developer's Reference Manual and Bearer Control Function Library Overview.
Configure the H223 GW RTP NbUP Endpoint and Channel according to remote IPBCP parameters. (IP address, UDP port, Payload ID, packetization time) | NaturalAccess MSPP | Dialogic® NaturalAccess™ Media Stream Protocol Processing API Developer's Manual
Establish the NbUP session. | NaturalAccess Fusion NbUP Endpoint | Dialogic® NaturalAccess™ Fusion NbUP Endpoint and Clear Channel Reference Manual
Set up a 3G-324M session. | 3G-324M Interface | Dialogic® NaturalAccess™ Video Access Toolkit 3G-324M Interface Developer's Reference Manual