MicroNet Technology SP5001/S - Manual (Page 59)

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Two Sets of SP5001/S
1. The WAN IP Address obtained from ADSL has two kinds of methods.
One is fixed IP Address, while user applies for one or more fixed IP
Addresses. Another is dynamic IP Address while user applies for dial-up
connection way.
2. The LAN IP Address of User’s PC can be set as DHCP client in order to
gain a valid one.
3. Assign an IP address to each set using DHCP or fixed address.
4. Enable the IP Sharing function for each set using following command.
Fixed IP Address
usr/config$ ifaddr – ipsharing 1 210.11.22.33
5. Configure separate SIP port and RTP port for each set to prevent from
port conflict. For example, if set A uses the default settings (SIP port:
5060, RTP port: 16384), you must change set B’s setting to SIP port
equal to 5061 and RTP port equal to 26384 for instance.
Change SIP port – usr/config$sip – port 5061
Change RTP port – usr/config$sip – rtp 26384
6. Use the Port Forwarding or Port Redirection function provided by IP
Sharing device (Router). See the following for example.