REVIEW DRAFT #1—CISCO CONFIDENTIAL
A-7
Cisco WRP500 Administration Guide
Appendix A Advanced Voice Fields
SIP page
DTMF Relay MIME
Type
MIME Type used in a SIP INFO message to signal a DTMF event.
The default is application/dtmf-relay.
Remove Last Reg Lets you remove the last registration before registering a new one if
the value is different. Select yes or no from the drop-down menu.
The default is no.
Use Compact Header Lets you use compact SIP headers in outbound SIP messages.
Select yes or no from the drop-down menu. If set to yes, the
WRP500 uses compact SIP headers in outbound SIP messages. If
set to no, the WRP500 uses normal SIP headers. If inbound SIP
requests contain compact headers, the WRP500 reuses the same
compact headers when generating the response regardless the
settings of the Use Compact Header parameter. If inbound SIP
requests contain normal headers, the WRP500 substitutes those
headers with compact headers (if defined by RFC 261) if Use
Compact Header parameter is set to yes.
The default is no.
Escape Display Name Lets you keep the Display Name private. Select yes if you want the
WRP500 to enclose the string (configured in the Display Name) in
a pair of double quotes for outbound SIP messages. Any
occurrences of or \ in the string is escaped with \ and \\ inside the
pair of double quotes. Otherwise, select no.
The default is no.
RFC 2543 Call Hold Configures the type of call hold: a:sendonly or 0.0.0.0.
The default is no; do not use the 0.0.0.0 syntax in a HOLD SDP; use
the a:sendonly syntax.
Mark All AVT Packets If set to yes, all AVT tone packets (encoded for redundancy) have
the marker bit set. If set to no, only the first packet has the marker
bit set for each DTMF event.
The default is yes.
SIP TCP Port Min Specifies the lowest TCP port number that can be used for SIP
sessions.
SIP TCP Port Max Specifies the highest TCP port number that can be used for SIP
sessions.
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