VoIP tab field descriptions
Name Range or Default Description
Codec Selection Default = System Default This field defines the codec
or codecs offered during call
setup. When System Default
is selected, the codec list
shown matches the codecs
set in the system-wide
Default Codec Selection
(System > Codecs).
Fax Transport Support Default = None This option is only selectable
if the option Re-Invite
Supported is also selected.
If enabled, the B5800 Branch
Gateway is able to support
the sending and receiving of
faxes via the Avaya Aura
®
Session Manager line using
the T38 protocol. The
settings for T38 are set on the
T38 Fax tab.
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.
DTMF Support Default = RFC2833 This setting is used to select
the method by which DTMF
key presses are signaled to
the remote end. The
supported options are In
Band, RFC2833 or Info.
• If CallPilot is configured as
the voicemail system,
accept the default setting,
RFC2833.
• If users will call into the
Meeting Exchange
conferencing server, select
Administering a Session Manager line for each branch
Implementing B5800 Branch Gateway for a CS 1000 Configuration October 2012 149
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