1. CME Router
2. SCCP

1. SIP

RTP

RTCP

H.323 CoIP nettwerk componenten:
Terminal

GW

GK

MCU

H.225 RAS
H.225 Call Control (Setup) Signalling
H.245 Control Signaling (Media ctl en transport)

Call Routing with GK

H.323 Call Setup

H.245 Call Control