Planet Technology IPX-2000 - Manual (Page 51)

Enable Video Codec Select if there will be video clients registering to the
system
Support Devices Multiplex Call-ID Select to force discrimination of SIP tags. Do this only
when there is such a client device in the system and other
devices supporting the same. Otherwise, one may find the
special device only got registered with this option but other
clients or even SIP trunks fail due to such change. Clear
the box if you are not sure.
Max Active Users Enter a number for registration admission control to limit
the maximum number of active registered clients.
Max Active Calls Enter a number for call admission control to limit the
maximum number of concurrent calls.
Max Wireless Calls Enter a number to limit the calls made by explicitly
specified wireless extensions.
MAX CDR Size Enter maximum space in KBytes available for CDR.
IP TOS Value Set the TOS value in the IP header of RTP packets
originated from IP PBX.
Call Keep Alive Enter a time in second to periodically confirm the call is still
connected. The time is between 10 and 180 seconds.
Registered Keep Alive Enter a time in second to confirm the registration status
periodically. The time is between 10 and 180 seconds.
NAT Traversal Keep Alive Enter a time in seconds to retain NAT hole punched
periodically. The time is between 10 and 180 seconds.
Disable WAN Bandwidth Saver Select to disable attempts to use low-bit-rate codec
(G.729A or G.723.1) for remote parties.
Disable DSP saver for LAN calls Select to honor the preferred codec of caller’s phone
instead of overriding by DSP utilization concerns.
Enable DNS SRV Resolution Select to enable looking up IP of dynamic clients or trunks
by DNS Service records before their successful
registrations.
Disable Line-in-use Call Back PBX supports call back function when an extension
without multi-line function is in use. Select to disable
Line-in-use Call Back function.
Disable Exponential Backoff in SIP
Retransmission
Select to disable exponential SIP retransmission.
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