This feature can control Request message except Retransmission.
Configuration:
sip-config
extra-method-stats enabled
session-constraints
name rejectREG
state enabled
max-sessions 0
max-inbound-sessions 0
max-outbound-sessions 0
max-burst-rate 0
max-inbound-burst-rate 0
max-outbound-burst-rate 0
max-sustain-rate 0
max-inbound-sustain-rate 0
max-outbound-sustain-rate 0
min-seizures 5
min-asr 0
time-to-resume 0
ttr-no-response 0
in-service-period 0
burst-rate-window 1
sustain-rate-window 0
rate-constraints
method REGISTER
max-inbound-burst-rate 10
max-outbound-burst-rate 0
max-inbound-sustain-rate 0
max-outbound-sustain-rate 0
Case #1: 5 RPS
REGISTER (07:17:10-107)
--------- Server -------- --------- Client --------
Message/Event Recent Total PerMax Recent Total PerMax
------ --------- ------ ------ --------- ------
REGISTER Requests 354 1000 500 354 1000 500
Retransmissions 3743 9000 4500 4255 10000 4988
Transaction Timeouts - - - 514 1000 500
Locally Throttled - - - 0 0 0
Avg Latency=0.000 for 0
Max Latency=0.000
sipp:
------------------------------ Scenario Screen -------- [1-9]: Change Screen --
Call-rate(length) Port Total-time Total-calls Remote-host
5.0(0 ms)/1.000s 5060 231.52 s 1000 10.0.0.100:5060(UDP)
Call limit reached (-m 1000), 0.000 s period 0 ms scheduler resolution
0 calls (limit 1000000) Peak was 158 calls, after 31 s
0 Running, 2 Paused, 0 Woken up
0 dead call msg (discarded) 0 out-of-call msg (discarded)
1 open sockets
Messages Retrans Timeout Unexpected-Msg
REGISTER ----------> 1000 9000 1000
200 <---------- 0 0 0 0
Pause [ 25.0s] 0 0
------------------------------ Test Terminated --------------------------------
Case #2: 15 RPS
REGISTER (07:29:50-166)
--------- Server -------- --------- Client --------
Message/Event Recent Total PerMax Recent Total PerMax
------ --------- ------ ------ --------- ------
REGISTER Requests 1000 1000 724 700 700 500
Retransmissions 9000 9000 4859 7000 7000 3748
503 Service Unavail 300 300 224 0 0 0
Transaction Timeouts - - - 700 700 500
Locally Throttled - - - 0 0 0
Avg Latency=0.000 for 0
Max Latency=0.000
sipp
------------------------------ Scenario Screen -------- [1-9]: Change Screen --
Call-rate(length) Port Total-time Total-calls Remote-host
15.0(0 ms)/1.000s 5060 98.18 s 1000 10.0.0.100:5060(UDP)
Call limit reached (-m 1000), 0.000 s period 0 ms scheduler resolution
0 calls (limit 1000000) Peak was 474 calls, after 43 s
0 Running, 2 Paused, 0 Woken up
0 dead call msg (discarded) 0 out-of-call msg (discarded)
1 open sockets
Messages Retrans Timeout Unexpected-Msg
REGISTER ----------> 1000 9000 1000
200 <---------- 0 0 0 3000
Pause [ 25.0s] 0 0
------------------------------ Test Terminated --------------------------------
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