Installation and Maintenance Manual
Field Descriptions
336
Installation and Maintenance Manual v4/0615/10
Prepend
Format of international numbers presented by the SIP provider, eg 00
Outgoing Prepend
Format of international numbers required by the SIP provider for outgoing calls, eg 00
Call Server
Determines the Call Server to be used for this trunk.
H323 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.
NAT Server
IP address allocated by the ADSL provider, in xxx.xxx.xxx.xxx form
NAT Port
Port to be used by NAT = 1720
NAT Mode
Static
Use IP address entered above
STUN
For future use
Allow Fast Start
Enable/Disable. Must selected at both ends. Required for link from Call Server to Call Server.
Allow Hold Music
Enable/Disable. For use when this trunk is connected to another Call Server. If enabled, this option will
send hold music information on this trunk.
Calls Server
Determines the Call Server to be used for this trunk.
Trunk Groups
Name
64 Domain Characters. Name of the Trunk Group.
Description
128 Characters. A text field to enter the description of this Trunk Group.