This recommendation supports the 3GPP2 All-IP Step 1 EvolutionPath by providing Stage-1, 2 and 3 for the architecture identifiedin Figure 3.1, “Legacy MS Domain Support for Circuit Mode IPTransport Call Delivery”.
The Legacy MS Domain provides support for existing MSs (e.g.,analog, IS-95-A, IS-95-B, IS-2000) in an IP core networkenvironment. The Legacy MS Domain supports the features andcapabilities provided in a legacy network in a manner transparentto the user. New features and capabilities supported by the IP corenetwork may be made available to subscribers where they aresupported by MS capabilities.
This document specifies signaling reference point zz(MSCe-to-MSCe). This reference point supports MediaGateway-to-Media Gateway bearer streams (i.e., yy reference point).The yy reference point is used as a bearer facility for legacyvoice calls and is specified in [3GPP2-4].
- Edition:
- A
- Published:
- 05/01/2004
- Number of Pages:
- 44
- File Size:
- 1 file , 990 KB
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