8138 SIP Multicolor Strobe Light
Polling Intervals (seconds)
Only visible if ‘Server Redundancy Feature’ is enabled. Time period between sending
monitoring packets to each server. Non-active servers are always polled, and active
server may optionally be polled (see below).
Poll Active Server
Only visible if ‘Server Redundancy Feature’ is enabled. Explicitly poll current server to
monitor availability. May also be handled automatically by other regular events, so can be
disabled to reduce network traffic.
Automatic Failback
Only visible if ‘Server Redundancy Feature’ is enabled. Reconnect with higher priority
server once available, even if backup connection is still fine.
Polling Method
Only visible if ‘Server Redundancy Feature’ is enabled. SIP message used to poll servers
to monitor availability.
Keep-alive Method
If Double CRLF is selected the 8138 will periodically send a CRLF message for both UDP
and TCP connections to maintain connection with the SIP Server.
Keep-alive Interval
Interval in seconds that the CRLF message should be sent.
Use Outgoing TLS port in SIP headers
Use ephemeral port number from outgoing SIP TLS connection instead of listening port
number in SIP Contact and Via headers. This is useful to connect the device to some local
SIP servers, like Asterisk or FreeSWITCH.
Do Not Reuse Authorization Headers
When enabled, all SIP authorization information from the last successful request will not
be reused in the next request.
Document 90-00102C
11/27/2019
Page 44
Algo Communication Products Ltd
4500 Beedie St Burnaby BC Canada V5J 5L2
www.algosolutions.com
(604) 454-3792
support@algosolutions.com
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