Specifications

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.

IP TOS Value Set the TOS value in the IP header of RTP packets

originated from IP PBX.

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.