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Feature Overview
VoATM SVCs include the following features:
•
User-to-Network Interface (UNI) 3.1 signaling procedures, including support for the following
types of information elements:
— Traffic descriptor
— Broadband bearer capability
— ATM addressing information
•
The implementation adheres to the required features of ATM Forum User-Network Interface
(UNI) signaling specification, version 4.0, simultaneously supporting permanent virtual circuits
(PVCs) and SVCs.
•
Network Service Access Point (NSAP) addressing for private networks
•
Interim Local Management Interface (ILMI)
•
24 simultaneous voice calls per Cisco MC3810 system
•
Support for tandem switching
Note
data over ATM SVCs. Wide-Area Networking Configuration Guide and Wide-Area Networking
Command Reference provide more information about the commands and configuration steps
required for this capability.
Figure 1
FXS
2
Cisco IOS Release 12.0(7)T
The Cisco MC3810, in addition to supporting video and voice over ATM SVCs, also supports
Application for Voice over ATM Using SVCs
Local office 1
FXS
Local office 2
FXS
FXS
T1 or E1
Cisco
MC3810
FXS
FXS
FXO
Cisco
MC3810
T1 or E1
ATM PVC
& SVCs
PSTN
PBX
T1 or E1
Regional office
T1 or E1
Cisco
MC3810
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