Network Migration Caveats - Alcatel-Lucent 7750 SR Manual

Network Migration Caveats

CDMA 2000
GSM
UMTS R5
UMTS R99
Mobile Core
For more information about Circuit Emulation Services and the Mobile Infrastructure, refer to
Circuit Emulation Services (Cpipe) on page
7750 SR OS Services Guide
EVDO offers Ethernet or T1 interfaces at base stations.
A bis interface is TDM-based and carried over E1/T1 links.
Circuit emulation is required for Ethernet transport.
Has an all-IP access network option.
Suitable for carrier Ethernet, depending on base station configuration.
ATM connections are carried over E1/T1 IMA links.
Circuit emulation or pseudowires are required for Ethernet transport.
Towards IP/Ethernet
Split MSC architecture with IP/Ethernet interfaces.
IP/Ethernet links between media gateways and MSC servers.
185.
Services
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