Specifications

Subscribers 25

NAT:

NAT or "Network Address Translation" is the technology most commonly used by firewall's and routers to

allow multiple devices on a LAN with private IP addresses to share a single public IP address.

When a user agent device is connected to a local network and placed behind a NAT device, "Yes" selection

should be chosen. However, if a device has a public IP Address, then "No" should be selected.

Available options:

· Yes

· No

· Never

· Route

· N/A

Canreinvite: Sets whether it is allowed to perform "re-invite" operation.

Available options:

· Yes

· No

· N/A

Qualify:

In order to verify the status of a user agent device, an "Ack" or "Acknowledgement" packet is sent to the

device at various intervals to check whether it is still online. If the device fails to respond within the stated

period in milliseconds the device will be considered to be off-line and not available for future calls.

The default value is set to "8000" (Based on Milliseconds)

Host:

The host field specifies the Hostname or IP address of the remote host, or may be assigned as "dynamic." If

you wish to set the host manually the Hostname or IP Address must be provided. An administrator may set a

phone to dynamically register itself by simply setting the field to say "dynamic".

By default the value is set to "dynamic"

Default IP:

Even if the host uses a dynamic registration, a server may still be given a default IP address to use when

dynamic registration has not been performed or has timed out.

By default this value field is left blank.

5.2.4 Caller ID

Caller ID allows the person being called to see the number (and sometimes the name) of the person calling

them, when they have the correct equipment to receive the Caller ID information. By default, the Caller ID