Gateway Prefixes (H.323 Only) - Snom 200 Administrator's Manual

Default:
Description:
within the Setup messages and hence eliminates the need for a separate
H.245 channel for Codec capability negotiation. This will only work if
the other party is also supporting fast start. This feature in H.323 is
optional, meaning it can be ignored by an endpoint not supporting this
feature, hence making the snom phone revert to the normal H.245
signalling on a separate channel. Note that if Fast Start is being used,
Out of band DTMF might not work because the DTMF info is relayed on
the H.245 channel.
h323_h245_tunneling
Valid values:
Default:
Description:
within an H.225 pdu. This also accelerates connection setup if both
parties are supporting this feature.
trace
Valid values:
Default:
5 Description:
h323_h450
Valid values:
Default:
Description:
used, otherwise (<false>) it is facility-based.

Gateway prefixes (H.323 only)

external_line_prefix
Valid values:
Default: Blank
Description:
76 • Call Register
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S N O M D M I N I S T R A T O R
False
Fast start sends encoded OpenLogicalChannel messages
<true>, <false>
False
H.245 Tunnelling option sends tunnelled H.245 messages
<true>, <false>
True
Enable tracing output of the current protocol stack.
<true>, <false>
False
If flag is set to <true>, H.450 supplementary services are
e.g. <0>, <111>
Prefix used for reaching outside numbers via an H323
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A N U A L