AudioCodes Mediant 2000 User Manual page 304

d. In the 'Enable Proxy Keep Alive' drop-down list, select "Using Options", and then
in the 'Proxy Load Balancing Method' drop-down list, select Round Robin.
4. Configure Proxy Set ID #3 for the IP-PBX:
a. From the 'Proxy Set ID' drop-down list, select 3.
b. In the 'Proxy Address' column, enter the IP address of the IP-PBX (e.g.,
10.15.4.211).
c. From the 'Transport Type' drop-down list corresponding to the IP address entered
above, select UDP".
d. In the 'Enable Proxy Keep Alive' drop-down list, select Using Options – this is
used in Survivability mode for remote IP-PBX users.
SIP User's Manual
Figure 18-41: Proxy Set ID #2 for ITSP-B
Figure 18-42: Proxy Set ID #3 for the IP-PBX
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Mediant 2000
Document #: LTRT-68814