User's Manual

SIP Registrar tab field descriptions
Name Default Description
Domain Name Default = Blank This is the local SIP registrar
domain name that will be
needed by SIP devices in
order to register with the
B5800 Branch Gateway. If
this field is left blank,
registration is against the
LAN IP address. For our
examples we have been
using a domain,
example.com.
Layer 4 Protocol Default = Both TCP & UDP This is the transport protocol
for SIP traffic between the
B5800 Branch Gateway and
SIP extension devices.
TCP Port Default = 5060 This is the SIP port if using
TCP.
UDP Port Default = 5060 This is the SIP port if using
UDP.
Challenge Expiry Time
(sec)
Default = 10 The challenge expiry time is
used during SIP extension
registration. When a device
registers, the SIP Registrar
will send a challenge back to
the device and waits for an
appropriate response. If the
response is not received
within this timeout the
registration is failed.
Auto-create Extn/User Default = On
• For survivable extensions,
it is strongly recommended
that this setting is disabled.
SIP extensions should only
be allowed to register with
the B5800 Branch
Gateway system if they
match existing extension
and user entries in the
configuration. If a
centralized (survivable)
extension is allowed to
Native extensions
Implementing the Avaya B5800 Branch Gateway November 2011 175