Name Description
Network Configuration These settings are fixed to TCP using send
and receive ports 5060.
VoIP tab field descriptions
Name Range or Default Description
Compression Mode Default = Automatic Select These settings are used to
select the code negotiation
order.
• The default, Automatic
Select, sets the line to use
the codec order selected
on the System > Telephony
form.
• The optionis in the drop-
down list box are used to
select which code should
come first in the selection
order of G729(a) 8K CS-
ACELP > G711 U-Law 64K
> G711 A-Law 64K >
G723.1 6K3 MP-MLQ.
Note that if one of the G711
options is selected as the
first choice codec, the other
G711 option is used as the
second choice codec.
• The Advanced option can
be used to manually
configure the codec
preference order and
specify which codecs are
used.
Call Initiation Timeout
Default = 4 seconds The B5800 Branch Gateway
sends regular OPTION
messages to each Avaya
Aura
®
Session Manager line
in order to check the lines in
or out of service status. If a
response is not received
within this timeout, the line is
treated as being out of
service.
Initial configuration for a Centralized Branch
116 Implementing the Avaya B5800 Branch Gateway November 2011
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