2.1. Global Call Over IP Architecture with a Host-Based Stack

Global Call supports a system configuration where the IP signaling stack (provided with the Intel® Dialogic® System Software) is running on the host and a DM3 board or Intel® NetStructure IPT board provides the IP resources for media processing.

Note: Global Call supports the RADVISION H.323 and SIP stacks. If other third-party call control stacks are used, Global Call cannot be used for IP call control, but the IP Media Library can be used for media resource management. See the IP Media Library API Programming Guide and IP Media Library API Library Reference the for more information.

Figure 5 shows the Global Call over IP architecture when using a DM3 board or an Intel® NetStructure IPT board and a host-based stack provided with the system software.

Figure 5. Global Call over IP Architecture Using a Host-Based Stack

To simplify IP Media management by the host application and to provide a consistent look and feel with other Global Call technology call control libraries, the IP Signaling call control library (IPT CCLib) controls the IP Media functionality.

The role of each major component in the architecture is described in the sections following.

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