Global SIP Settings
41-001160-01, Rev 00, Releaes 2.3
4-87
Configuring Network and Session Initiation Protocol (SIP) Features
20
The “
BLA Subscription Period
” field is enabled by default with a value of 300 seconds.
This feature sets the amount of time, in seconds, that the phone waits to receive a BLA subscribe
message from the server. If you specify zero (0), the phone uses the value specified for the BLA
expiration in the subscribe message received from the server. If no value is specified, the phone uses
the default value of 300 seconds.
For information about setting the “BLA Subscription Period”, see Chapter 5, the section,
“BLA Subscription Period”
on
page 5-186
.
21
(For Broadsoft Servers) The “
Blacklist Duration
” field is enabled by default with a value of 300
seconds (5 minutes). Valid values are 0 to 9999999.
This feature sets the time period, in seconds, that the IP phone resubscribes the BLF subscription
service after a software/firmware upgrade or after a reboot of the IP phone.
Note:
The value of “
0
” disables the blacklist feature.
For information about setting the “Blacklist Duration”, see Chapter 6, the section,
“Blacklist Duration”
on
page 6-22
.
22
Enable the "
Whitelist Proxy
" field by checking the check box.
(Disable this field by unchecking the check box. Default is disabled).
When this feature is enabled, an IP phone accepts call requests from a trusted proxy server
only
. The
IP phone rejects any call requests from an untrusted proxy server.
For information about setting the “Whitelist Proxy”, see Chapter 6, the section,
“Whitelist Proxy”
on
page 6-24
.
Aastra Web UI
Step Action
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