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IP Phone SIP Admin Guide 21
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For example, if a parameter value
is configured for one of the per-
line sets, all parameters from that
set are applied and all parameters
from the corresponding global
section are ignored, even if some of
the parameters within the global
set are not defined in the per-line
set.
SIP Precedence Example
The following example shows the
SIP proxy feature and example
schema for storage and parsing of
the SIP configuration parameters.
The following SIP configuration is
assumed:
# SIP network block
sip proxy ip: 10.30.11.154
sip proxy port: 5060
sip registrar ip:
10.44.122.37
sip registrar port: 4020
sip line3 proxy ip:
siparator.vonage.com
sip line3 proxy port: 0
Line3 specifies per-line values for
proxy IP address and proxy port, so
the phone uses those parameter
values for SIP calls made on that
line. However, because those
parameters are part of the SIP
network block, the phone does not
apply any of the global SIP
network block parameters. So even
though the global parameters
configure a SIP registrar, Line3 on
the phone ignores all global
network block parameters. Since
line3 does not contain a per-line
SIP registrar entry, the phone does
not use a registrar for that line.
Note: Global SIP parameters apply to
all lines unless overridden per-
line.
Per-line settings are configurable
for lines 1 through 7.
SIP Server (SRV) Lookup
The SIP SRV Lookup feature
allows you to configure the IP
phone to
perform a DNS server lookup on a
SIP proxy, a SIP registrar, or a SIP
outbound proxy.
The IP phone performs an SRV
lookup when the IP address of the
server is FQDN and the
corresponding port is 0.
For example, if the phone is
configured with sip proxy ip of
"ana.aastra.com", and sip proxy
port of "0", the SRV lookup may
return multilple servers, based on
the priorities if one is selected as
primary and others are selected as
secondary.
However, if the IP address is an
FQDN and the corresponding
server port is non-zero, then the
phone performs a DNS "A" Name
Query to resolve the FQDN into
dot notation form.
If the IP address is a valid dot
notation and the port is zero, then
a default port 5060 is used.
You can configure SRV lookup
using the configuration files
(
aastra.cfg
and
<mac>.cfg
) only.
The parameters to use are:
• sip proxy ip
• sip proxy port
Содержание VentureIP 480i
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Страница 7: ...Table of Contents III Table of Contents...
Страница 31: ...24 IP Phone SIP Admin Guide Configuring the IP Phone phone are sent to this server...
Страница 39: ...32 IP Phone SIP Admin Guide Operational Features 13 Make feature list public...
Страница 65: ...58 IP Phone SIP Admin Guide Firmware Upgrade the screen Firmware Upgrade Success ful...
Страница 165: ...158 IP Phone SIP Admin Guide Appendix F How to Create an XML Application...
Страница 169: ...162 IP Phone SIP Admin Guide Limited Warranty...
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