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4. Configure each branch office by entering the following parameters:
5. Perform one of the following steps:
6. Click Save System and deactivate the system.
7. Ensure that DHCP and TFTP servers are configured properly, so that DAPs can
8. Activate the system and restart all DAPs.
9. Start DAP Manager, open Access Points page and ensure that all DAPs are present
Routed Head Quarter configuration
In this configuration, there is more than one network segment in the Head Quarter. The routers
in this configuration must forward IP multicast packages. Network components, such as
switches and routers, must be correctly configured for VoIP and IP multicast. The network must
support IP multicast between all network components used for IP DECT System.
You can edit the following settings:
• Time to Live (TTL) value—The Time to Live value is used for the multicast traffic. If the
Time to Live for the multicast is set to 1, multicast traffic is not forwarded by a Router. If
the Time to Live is greater than 1, multicast packages can be forwarded by the Router,
depending on settings in the Router. If the TTL (for the multicast packages) is set to 1,
leave this aggregated subnet mask empty. If the TTL (for the multicast packages) is set
to a value greater than 1, fill in this aggregated subnet mask to signal to the system which
smaller subnets are connected as one subnet using a router supporting IP multicast.
• Aggregated Subnet mask—The aggregated subnet mask is the subnet mask for the DAPs
to determine the network boundaries for an IP DECT Network in which seamless
handover is possible. Use G.711, which covers the network segments connected using
routers that support IP multicast.
If there are DAPs outside this aggregated subnet mask, regard the DAP or DAPs as in a
branch office. Note that the IP address of the PBX is compared with the IP address or
SIP DECT Fundamentals
• Subnet - the first address in the subnet range. For instance, 192.168.32.0.
• Subnet mask - mask to specify the subnet boundaries.
• RPN range - lowest RPN and highest RPN in this Branch Office.
• Subnet name – any name used to identify the Branch Office.
• Time Offset - time zone for the current subnet (branch office).
If you were referred to this section from
click Apply and continue configuring the SIP DECT system using
Settings
on page 96.
OR
Go to step 6.
start in all Branch Offices.
and working.
Routed Head Quarter configuration
Configuring System Settings
on page 96,
Configuring SIP
October 2012
109
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