Cisco TelePresence Administrator's Manual page 145

Setting Description
SIP record Controls whether the VCS uses its IP address or host name in the record-
route route or path headers of outgoing SIP requests to this zone.
address type
IP: uses the VCS's IP address.
Hostname: uses the VCS's Local host name (if it is blank the IP address
is used instead).
SIP Proxy- A comma-separated list of option tags to search for and remove from
Require Proxy-Require headers in SIP requests received from this zone.
header strip
list
Include Determines whether, if no NAPTR (SIP) or SRV (SIP and H.323) records
address have been found for the dialed alias via this zone, the VCS will then query
record for A and AAAA DNS records before moving on to query lower priority
zones. If A and AAAA records exist at the same domain for systems other
than those that support SIP or H.323, this may result in the VCS believing
the search was successful and forwarding calls to this zone, and the call
will fail.
On: the VCS queries for A or AAAA records. If any are found, the VCS will
not then query any lower priority zones.
Off: the VCS will not query for A and AAAA records and instead will
continue with the search, querying the remaining lower priority zones.
Cisco VCS Administrator Guide (X7.2)
Zones and neighbors
Default Applicable
to
IP Neighbor
zones
DNS
zones
None Neighbor
zones
Off DNS
zones
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