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Administrator’s Guide - SoundPoint
®
IP / SoundStation
®
IP Optimization
Copyright © 2006 Polycom, Inc. 91
4.6.1.1.4.2 Alert Information <alertInfo/>
voIpProt.SIP.outboundProxy.transport DNSnaptr or
TCPpreferred
or
UDPonly or
TLS
DNSnap
tr
If set to Null or DNSnaptr:
If voIpProt.SIP.outbound-
Proxy.address is a hostname
and voIpProt.SIP.outbound-
Proxy.port is 0 or Null, do
NAPTR then SRV look-ups
to try to discover the trans-
port, ports and servers, as
per RFC 3263. If voIp-
Prot.SIP.outbound-
Proxy.address is an IP
address, or a port is given,
then UDP is used.
If set to TCPpreferred:
TCP is the preferred trans-
port, UDP is used if TCP
fails.
If set to UDPonly:
Only UDP will be used.
If set to TLS:
If TLS fails, transport fails.
Leave port field empty (will
default to 5061) or set to
5061.
Note: TLS is not supported
on SoundPoint
®
IP 300 and
500 phones.
Attribute
Permitted
Values
Default Interpretation
volpProt.SIP.alertInfo.x.value string to com-
pare against
the value of
Alert-Info
headers in
INVITE
requests
Null Alert-Info fields from
INVITE requests will be
compared against as many of
these parameters as are spec-
ified (x=1, 2, ..., N) and if a
match is found, the behavior
described in the correspond-
ing ring class (refer to
4.6.1.7.2 Ring type <ring-
Type/> on page 107) will be
applied.
voIpProt.SIP.alertInfo.x.class positive
integer
Null
Attribute
Permitted
Values
Default Interpretation