Grandstream HT503 User Manual - Manual (Page 37)

FIRMWARE VERSION 1.0.14.1 HT503 USER MANUAL Page 35 of 64
- If black list exists and white list is empty, then ONLY these IP addresses are NOT
ALLOWED SIP/RTP access.
Black list for WAN side List the IP address or IP range in the White list. The same rules as white list.
Cloned WAN MAC
Address
This allows the user to change/set a specific MAC address on the WAN interface.
Note: Set in Hex format
LAN DHCP Base IP Base IP for the LAN port, which functions as default gateway for its LAN. Default value
is 192.168.2.1
Note: When the device detects WAN IP is conflicting with LAN IP, the LAN base IP
address will be changed based on the network mask -- the effective subnet will be
increased by 1. For example; 192.168.2.1 will be changed to 192.168.3.1 if net mask is
255.255.255.0. Then the device will reboot
LAN DHCP Start IP Default is 100
LAN DHCP End IP Default is 199
LAN Subnet Mask Sets the LAN subnet mask. Default value is 255.255.255.0
DHCP IP Lease Time The length of time the IP address is assigned to the LAN clients. Value is set in units of
hours. Default value is 120 hrs (5 days).
DMZ IP: This function forwards all WAN IP traffic to a specific IP address if no matching port is
used by HT503 or in the defined port forwarding.
Port Forwarding: Allows users to forward a matching (TCP/UDP) port to a specific LAN IP address with a
specific (TCP/UDP) port.
PSTN access code The code to access the PSTN line (Maximum 5 digits). Default is “*00”. Any time user
can make PSTN calls from the analog phone connected to FXS port. By default, user
may pick up the phone, dial *00, and after obtaining PSTN line (user will hear regular
dial tone) normal PSTN dialing is allowed.
PIN for PSTN calls PIN code to bridge from VoIP to PSTN (Maximum 8 digits, No Default)
PIN for VoIP calls PIN code to bridge from PSTN to VoIP (Maximum 8 digits, No Default)
Unconditional Call
Forward to PSTN
Calls are unconditionally forwarded to the specified PSTN phone number for all
incoming VoIP calls on FXO port.
Unconditional Call
Forward to VoIP
Calls are unconditionally forwarded to the specified VoIP phone number for all incoming
PSTN calls. Each incoming call from the PSTN will first ring the analog phone
connected to FXS port. This call from the PSTN network will be forwarded to the
preconfigured VoIP extension if it is not answered. User can configure the number of
rings before forwarding calls to the VoIP extension. Configure number of rings using
the “number of rings” parameter located in the FXO Port Configuration page.