
136 Chapter 8 Configuring telephony resources
N0060606N0060606
Voice over IP trunks
The tabbed panels described in the topics below appear when a VoIP trunk entry is selected on the
Telephony Resources panel. Refer to the sections below for a description of each tabbed panel and
their fields.
• “Routing table”
• “H323 Media Parameters” on page 143
Routing table
H.323 and SIP trunks are both automatically be assigned to line pool BlocA. The decision about
whether a given call will be through SIP or H.323 is made from the information in the Routing
Table. Calls may be routed directly from entries in the Routing Table, or may use the services of a
redirect proxy.
Codec Default
G.711-aLaw
G.711-uLaw
G.711+VAD
G.729
G.729+VAD
G.723
Auto
Specifying a non-default Codec for a telephone allows you to
override the general setting. You might, for example, want to specify
a low bandwidth Codec (G.729) for a telephone that is on a remote or
busy sub-net.
Note: You can only change the codec on a configured IP telephone if
it is online to the system, or if Keep DN Alive is enabled for an offline
telephone.
Jitter Buffer Auto
Default
None
Small
Medium
Large
Increase the jitter buffer size for any telephone that has poor network
connectivity to the system.
Note: You can only change the jitter buffer on a configured IP
telephone if it is online to the system, or if Keep DN Alive is enabled
for an offline telephone.
Actions
Reset Hotdesking
Password
This button allows you to reset the hotdesking password for a telephone. Refer to the
BCM 4.0 Device Configuration Guide (N0060600).
Force Firmware
Download
This button downloads the firmware from the system to the selected telephone. Refer to
the BCM 4.0 Device Configuration Guide (N0060600).
Deregister This button allows you to deregister the selected telephone. Refer to the BCM 4.0 Device
Configuration Guide (N0060600).
Table 31 IP terminal fields (Sheet 2 of 2)
Field Value Description
Commentaires sur ces manuels