AudioCodes Mediant 600 - Page 832

SIP User's Manual 832 Document #: LTRT-83310
Mediant 600 & Mediant 1000
♦ 4 fifth Via header
c. sub-element
Description: Header's element
Syntax: sub-element-name
Examples:
♦ user
♦ host
d. sub-element-param
Description: Header's element
Syntax: sub-element-name [.sub-element-param-name ]
Example:
♦ header.from.param.expires
e. sub-element-param-name
Description: Header's parameter name - relevant only to parameter sub-
elements
Syntax: token
Examples:
♦ expires (contact's header's param)
♦ duration (retry-after header's param)
♦ unknown-param (any unknown param can be added/removed from the
header)
f. param
Description: Params can be as values for match and action
Syntax: param.param-sub-element.param-dir-element.(call-param-entity / ipg-
param-entity)
Examples:
♦ param.ipg. src.user
♦ param.ipg.dst.host
♦ param.ipg.src.type
♦ param.call.src.user
g. param-sub-element
Description: Determines whether the param being accessed is a call or an IP
Group
Syntax:
♦ call relates to source or destination URI for the call
♦ ipg relates to source or destination IP Group
h. param-dir-element
Description: Direction relating to the classification
Syntax:
♦ src refers to source
♦ ds refers to destination
i. call-param-entity
Description: Parameters that can be accessed on the call
Syntax:
♦ user refers to username in request-URI for call
j. ipg-param-entity
Description: Name of the parameter
Syntax: