3Com VCX V7122 User Manual page 6

Call Hold and Retrieve Features 151
Call Transfer 151
TDM Tunneling 152
Implementation 152
Call Detail Report 154
Trunk to Trunk Routing Example 156
SIP Call Flow Example 157
SIP Authentication Example 160
C 9: D
HAPTER IAGNOSTICS
VCX V7122 Self-Testing 163
Syslog Support 163
Syslog Servers 164
Operation 164
C 10: B
HAPTER OOT
Startup Process 167
DHCP Support 169
BootP Support 169
Upgrading the VCX V7122 169
Vendor Specific Information Field 170
C 11: SNMP-B
HAPTER
About SNMP 173
SNMP Message Standard 173
SNMP MIB Objects 174
SNMP Extensibility Feature 175
Carrier Grade Alarm System 175
Active Alarm Table 175
Alarm History 176
Cold Start Trap 176
Third-Party Performance Monitoring Measurements 176
Supported MIBs 177
SNMP Interface Details 180
SNMP Community Names 180
Trusted Managers 181
SNMP Ports 183
Multiple SNMP Trap Destinations 183
SNMP Manager Backward Compatibility 185
Element Management System 185
C 12: S
HAPTER ELECTED
A A: VCX V7122 SIP S
PPENDIX
6
163
P/DHCP S
UPPORT
M
ASED ANAGEMENT
T S
ECHNICAL PECIFICATIONS
OFTWARE
3Com VCX V7122 SIP VoIP Gateway User Manual
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173
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K 191
IT