Bizfon 7000 Guide de l'utilisateur télécharger pdf (Page 49)

System Administration Guide Remote IP Phone

50 Stiles Road • Salem, NH 03079 • Toll Free 1-800-260-5793 • 603-870-9400 • www.Bizfon.com

Revised: August 5, 2005 Page 45

12 Remote IP Phone

A remote IP phone is one where the phone’s local area network (LAN) is not the same as the Bizfon server’s

LAN. An example of this scenario is where the Bizfon server is set up at the company’s main office, but an

employee wants to be able to have an office phone at home such that calls to/from that phone work just as

though the employee was at the company’s main office.

12.1 General Network Configuration Requirements

In support of remote IP phone usage, several remote phone and Bizfon server network configurations are

possible.

1. The Bizfon server can be directly connected to the Internet via its WAN port. However, the WAN cannot be

in “Use PPPoE” mode.

2. The Bizfon server can be behind a single 3

party NAT firewall. This requires specific server configuration

that is described below.

3. The remote phone can be directly connected to the Internet.

4. The remote phone can be behind a single 3

party NAT firewall.

Note: Bizfon cannot guarantee proper operation of 3

party networking products. However, Bizfon expects

this to work with typical firewalls and tests against several brands. Some NAT/Firewall configuration may be

required.

12.2 Bizfon Server Behind 3

Party NAT Firewall

To support remote IP phone usage when the Bizfon server is behind a single 3

party NAT firewall, the

server’s Network Mode must be in LAN Host Mode. This can be set on the Network / Configuration / Modify

page.

When set to LAN Host Mode, the page contains a Public IP Address section as shown below:

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Bizfon 7000 Guide de l'utilisateur Page 49