Tainet IPBX 230, User Manual

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Chapter 4 IP PBX Configuration
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Field Description
RTP two peers in a conversation to try peer-to-peer RTP
transmission. This is suggested as long as phone and
ITSP side support INVITE or UPDATE method during a
connected call to save the resource of IP PBX. However,
only SIP INFO DTMF mode should enable this since
other DTMF modes require IP PBX being RTP relay
server to support in-line transfer.
Bandwidth
Sensitive
Indicate the trunk is over a bandwidth-sensitive link, e.g.
across Internet.
Bandwidth
Limitation
Leave it blank to disable or, specifies a limit of bandwidth
in kbps for call admission.
SIP Domain Specify the SIP domain used by the proxy and registrar. If
not specified, IP address will be used as the domain by
default.
User-agent Content Override default User-Agent header content.
Enable ENUM
Resolution
Select to use ENUM resolution, or leave it as blank.
Clear Bindings Prior
Registration
Select if failed to the registration, and cannot identify any
abnormal settings.
Disable NAT
Traversal
IP PBX uses NAT traversal for outgoing traffics by default.
Select to disable NAT traversal if there is a machine that
could handle NAT issues.