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Global Call IP Technology Guide — November 2007 535
Dialogic Corporation
IP-Specific Parameters
9.2.29 IPSET_TUNNELEDSIGNALMSG
Table 71 shows the parameter IDs in the IPSET_TUNNELEDSIGNALMSG parameter set, which
is used when sending or receiving tunneled signaling messages (TSMs) in the H.323 protocol.
Table 71. IPSET_TUNNELEDSIGNALMSG Parameter Set
Parameter IDs Data Type & Size Description
SIP/
H.323
IPPARM_
TSM_CONTENT_EVENT
Type: enum Used to identify the type of Global Call event to
retrieve TSM content from. Values include:
• TSM_CONTENT_OFFERED
• TSM_CONTENT_PROCEEDING
• TSM_CONTENT_ALERTING
• TSM_CONTENT_CONNECTED
• TSM_CONTENT_DISCONNECTED
• TSM_CONTENT_EXTENSION
H.323
only
IPPARM_
TUNNELEDSIGNALMSG_
ALTERNATEID
Type: IP_TUNNEL
PROTOCOL_
ALTID
Size: sizeof(
IP_TUNNEL
PROTOCOL_
ALTID)
Used to contain a tunneled protocol alternate
identifier in a tunneled signaling message
(TSM). Either this or the tunneled protocol
object ID must exist in a TSM. If the application
is using a tunneled protocol object ID when
sending a TSM, this parameter should not be
inserted in the GC_PARM_BLK.
H.323
only
IPPARM_
TUNNELEDSIGNALMSG_
CONTENT
Type: string †
Size: max length=
MAX_IE_
LENGTH (255)
Used to contain any data content of a tunneled
signaling message (TSM), which is a sequence
of octet strings.
H.323
only
IPPARM_
TUNNELEDSIGNALMSG_
NSDATA_DATA
Type: string †
Size: max. length=
max_parm_data_
size ‡ (configured
via
IPCCLIB_
START_DATA
)
Used to contain any non-standard data in a
tunneled signaling message (TSM). If no non-
standard data is being sent in a TSM, this
parameter should not be inserted in the
GC_PARM_BLK.
H.323
only
IPPARM_
TUNNELEDSIGNALMSG_
NSDATA_H221NS
Type: IP_H221
NONSTANDARD
Size: sizeof(
IP_H221NON
STANDARD)
Used to contain an H.221 non-standard data
identifier in a tunneled signaling message
(TSM). When sending non-standard data in a
TSM, ether this ID or the non-standard data
object ID must exist in the non-standard data. If
non-standard data is not being sent, or if a non-
standard data object ID is being used when
sending a TSM, this parameter should not be
inserted in the GC_PARM_BLK.
H.323
only
† For parameters with data of type String, the length in a GC_PARM_BLK is the length of the data string plus 1.
‡ The full maximum length that is configured may not be usable in practice because the H.323 stack limits total message size
to max_parm_data_size + 512 bytes. Longer messages are truncated without notification to the application.