Installation and Reference Manual
302
Installation and Reference Manual v3.2/0410/6
NSI Message Waiting On String
Defines the string that must be sent across a DPNSS link in order to turn on the Message Waiting light on
the handsets connected to the PBX at the remote end. (This feature is not used with the Index.)
NSI Message Waiting Off String
Defines the string that must be sent across a DPNSS link in order to turn off the Message Waiting light on
the handsets connected to the PBX at the remote end. (This feature is not used with the Index.)
Default / Top Down / Bottom Up
The Default option will allocate channels dynamically, alternatively the allocation can be forced from top
to bottom (1-30) or bottom to top (30-1) on this trunk.
A-law / u-law. By default audio will be sent on this Trunks as A-law. To send audio on the Trunk as u-law
select this option.
Enable/Disable. If enabled the trunk will not attempt to obtain its clock/timing source from the
equipment, such as a video conferencing device, connected to this port.
NT only / Yes / No
For use in Australia. Disables progress tones being sent back to a looped call interfering with the tones
for the original call.
SIP page
Compression Type
None Calls to be made without using compression
G729A8K Use G.729a based compression supported via a Voice Compression Module or Card
Relay
Relay the media packets, allowing RTP packets to go through a NAT/firewall by using the
Call Server as a single address for all RTP
Allow Non-Compressed Audio
Enable/Disable. For use with G.729 Compression Type. This option will allow A-law or u-law to be
selected by the remote endpoint instead of G.729.
IP address allocated by the ADSL provider, in xxx.xxx.xxx.xxx form
Port to be used by NAT = 5060
Static Use IP address entered above
STUN For future use
Enable/Disable. Allows the use of TCP rather than UDP (default).