User`s guide
Allworx Server Administrator’s Guide Version 7.6
1-866-ALLWORX * 585-421-3850 Page 145
www.allworx.com
Revised: 11/22/13
• Boot Server IP – Set according to the procedure in “Phone or Port Expander
behind a Third-Party Firewall” on page 144.
• Phone/Port Expander IP – Select an address consistent with the remote site
network.
• Netmask IP – Network Mask of the remote site network.
• Gateway IP – Gateway IP of the remote site network.
3. Navigate to the Allworx server admin page.
• Phones - navigate to Phone System > Handsets. Create a Handset
Preference Group for the remote phone with the adjusted RTP port range; see
“Handset Preference Groups” on page 72.
• Port Expanders - navigate to Network > Port Expanders and click Port
Expander Description.
4. Set the RTP port range for the phone or port expander to 16384 or 16393.
5. Forward the required IP ports through the Firewall at the remote site, per the
table:
17.3 Multiple Remote Devices behind the Same
Firewall
If there is more than one remote Allworx device behind a firewall, change the settings on
the firewall and the phone or port expander to enable this configuration.
1. Log in to the Allworx server admin page, navigate to Config > Network Settings
menu for phones, and locate the Config Mode page for port expanders.
2. Change the following settings:
• DHCP – Disabled
Port Type WAN LAN Protocol
BLF 2088 2088 UDP
SIP 5060 5060 UDP/TCP
RTP 16384 - 16393 16384 - 16393 UDP