3Com NBX 100 Administrator's Manual page 462

462 I
NDEX
VTL (Virtual Tie Line) 77
audio compression option 94
configuring 81
dial plan configuration 82
license installation 81
managing VTLs 92
modifying name of 92
music on hold 99
password configuration 95
password in dial plan 96
rerouting VTL calls 90
silence-suppression option 94
statistics 93
toll calls 99
troubleshooting 99
unique extension ranges 78
using site codes 79
verifying access to remote system 88
verifying local system operation 87
verifying operation of 87
VTL Calls
audio quality 281
X
Xfer Vmail
group button mapping 160
telephone button mapping 175
Xfer Vmail button 180
Y
yellow alarm, T1 and E1 Digital Line Cards 364