Centrality PA168S, User Manual, Page: 19 / 59

Centrality PA168S IP Phone User Manual (V1.32)
Beijing Centrality Communication Inc
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protocol: Select an item from dropdown list to set the protocol used by
the phone.
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h323: Select this item to set the phone use H323 protocol.
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sip: Select this item to set the phone use SIP protocol.
„
mgcp: Select this item to set the phone use MGCP protocol.
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n2p: Select this item to set the phone use Net2phone private system.
Note With Net2phone selected here, please set other necessary parameters: check
use service option, and then fill IP address or domain name of designated
server into service addr field; then set service port as 6801 ; fill account and
password of Net2phone card into account and pin fields.
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proxy: When the IP phone with private IP address need communicate
with other IP phones in a different LAN or on Internet, please select an
item from dropdown list to set the proxy used by the phone.
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disable: Select this item when the log in server and IP phone in the
same LAN, or the log in system supports the IP phone working behind
the LAN.
„
enable: When the login system does not support IP phone working
behind the LAN, please select this item to search public IP address of
the NAT device. With this item selected, proxy ip field will be activated,
please type IP address of server finding public IP into proxy ip field,
such as 209.68.27.16; if do not know server IP, just remain it as