Tieline Bridge-IT, User Manual

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210 Bridge-IT Manual v4.0
© Tieline Research Pty. Ltd. 2019
the other one doesn't, then you will know which end is likely to be causing the problem. As an
example:
1. Dial from site 1 to a Tieline test codec.
2. Dial from site 2 to Tieline test codec.
If both of these connect successfully then the “outbound” TCP path for session data is OK,
and the inbound UDP audio path is OK.
3. Dial to site 1 from a codec you know is configured correctly.
4. Dial to site 2 from a codec you know is configured correctly.
If either of these calls fail then TCP and/or UDP inbound data is being blocked on the failed
connection (see "Troubleshooting TCP Port Blocking" above).
Testing your Codec
· Visit http://www.tieline.com/Support/Test-lines for a list of test IP codec addresses you can use
to verify your codec is configured correctly.
· See Testing IP Network Connections for more IP test information.
Learning More About IP Networks
For more IP network information please see the section titled Understanding IP Networks which
discusses:
· Private versus public IP addresses.
· Static versus DHCP assigned IP addresses.
·
Network Address Translation (NAT), port forwarding and firewalls.
18.2 Understanding IP Networks
Types of IP Addresses Available
Type of IP
Address
How the IP
Address is
Allocated
Description
Public
Static Public IP
Address Internet Service
Providers (ISPs) ISP’s allocate a static public IP address to allow
network devices to communicate with each
other over the internet. It works like a public
telephone number and will allow your remote
codec to call your studio codec over the
Internet.
Dynamically
Assigned Public
IP Address Internet Service
Providers (ISPs) ISP’s usually allocate dynamically
(automatically) assigned public IP addresses to
allow network devices to communicate with
each
other over the Internet. (Not
recommended for studio installations because
each time you connect to your ISP the IP
address can change).
Private
Dynamically
Assigned Private
IP Address DHCP
Server/Router on
your own private
LAN network. A DHCP server-allocated IP address that is
automatically assigned to a device on a LAN to
allow it to communicate with other devices and
the internet. This address can change each
time a device connects.
Static Private IP
Address LAN
Administrator A network administrator-allocated static
address which is programmed into a device to