Keep Alive - Snom HD100 Configuration Manual

Setting
Fixed
Fixed Delay (ms)
Adaptive
Normal Delay (ms)
Minimum Delay (ms)
Maximum Delay (ms)

3.2.1.17 Keep Alive

Setting
Enable Keep Alive
Keep Alive interval
(sec)
Ignore Keep Alive
Failure
Description
Enable fixed jitter buffer mode.
If Fixed is selected, enter the fixed jitter delay.
Enable adaptive jitter buffer mode.
If Adaptive is selected, enter the normal or "target" delay.
Enter the minimum delay.
Enter the maximum delay. This time, in milliseconds, must be at least twice
the minimum delay.
Description
Enable SIP keep alive in service of NAT traversal and as a heartbeat mechanism
to audit the SIP server health status. Once enabled, OPTIONS traffic should be
sent whenever the account is registered. OPTIONS traffic will occur
periodically according to the keep-alive interval.
Set the interval at which the OPTIONS for the keep-alive mechanism are sent.
Enable the phone to ignore keep-alive failure, if the failure can trigger account
re-registration and re-subscription (and active calls are dropped).
SIP Phone Configuration Guide
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