Configuration manual

8. Click the SIP Registrar tab.
9. Configure the fields on this tab as appropriate. See SIP Registrar tab field
descriptions on page 157 for more information.
10. Click OK.
11. Select File > Save Configuration.
The Send Configuration window appears and the Configuration Reboot Mode is set
to Immediate. Do not change the reboot mode.
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.
If deploying centralized
phones that will failover
between the SIP Line
Gateway (SLG) and the
B5800 Branch Gateway, the
Domain Name must match
that configured on the SLG at
the main site.
Layer 4 Protocol Default = UDP, TCP, TLS
• UDP, SIP port = 5060
• TCP, SIP port = 5060
• TLS, SIP port = 5061
This is the transport protocol
for SIP traffic between the
B5800 Branch Gateway and
SIP extension devices.
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
Enabling branch SIP extension support
Implementing B5800 Branch Gateway for a CS 1000 Configuration October 2012 157