Planet Technology IPX-2000 - Manual (Page 73)

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There may not be appropriate usergroups to select initially. One
can come back later once the expected usergroup has been
added.
Disable Fast Bridging Select to disable express media forwarding.
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With Fast Bridging feature enabled, if the two parties involved in a
call (for example, one IP extension and one SIP trunk) use
different DTMF modes (RFC2833/SIP INFO/Inband), inline
transfer (*#) or 2nd-dialing might fail. To avoid such problem, it
is recommended to set the same DTMF mode for all IP
extensions and SIP trunks in the IPBX, as well as for all IP
phones registered to the IPBX. If it is not feasible to set the
same DTMF mode for some IP extensions or SIP trunks, and
inline transfer or 2nd-dialing is necessary for those IP extensions
or SIP trunks, the Fast Bridging feature can be disabled on a per
IP extension and per SIP trunk basis. Note that Fast Bridging is
enabled by default.
Advanced Settings Select to see more settings shown below.
DTMF Mode Select a preferred DTMF mode, Inband, RFC 2833 or SIP INFO, for
this trunk in the list. This must match configuration on the server side.
If the user does not know the DTMF mode on the server side, select
Auto from the list, and IP PBX will automatically detect the DTMF
mode on this SIP trunk is Inband or RFC2833.
Try Peer-to-peer RTP Click NO to disable or IP PBX will attempt to notify the two peers in a
conversation to try peer-to-peer RTP transmission. This is suggested
as long as phone and ITSP side support re-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.
User Agent Override default User-Agent header content.
From Caller ID Send the entered number as Caller ID.
Bandwidth Sensitive
Bandwidth Limitation (kbps)
Click Bandwidth Sensitive and specify a limit of bandwidth in kbps for
call admission in Bandwidth Limitation.
Call Admission Control Select to enable the limitation of concurrent calls for a SIP trunk.
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