Hi Guillermo, Short answer: I'm not sure. Long answer: I think this timer is to detect if there is no rtp. Sometimes you would want to know if there is no RTP and then hang up the call to avoid possible ghost calls in your system. For instance if there is a call between two sip phones and they both get disconnected without sending a bye, the call could stay active in freeswitch even though both sides are dead. Another alternative to that, if you think your environment is prone to that sort of scenario, is to user session timers to ping the devices in a call.
From performance point of view, it makes a big difference.
Regards, Ali Pey On Fri, Jun 27, 2014 at 11:37 AM, Guillermo Ruiz Camauer < grcamauer@gmail.com> wrote:
Ali,
What benefits and or consecuences does setting rtp-timer-name to none and rtp-timeout-sec to zero bring about?
Thanks,
Guillermo
On Fri, Jun 27, 2014 at 9:09 AM, Ali Pey <alipey@gmail.com> wrote:
Hi David,
Yes, we have done more than 1000 concurrent calls. Here are a few things we needed to do:
1) Add the following to /etc/security/limits.conf * hard nofile 65536 * soft nofile 65536 root hard nofile 65536 root soft nofile 65536
freeswitch hard stack 10240 freeswitch soft stack 244
freeswitch hard nproc unlimited freeswitch soft nproc unlimited
2) Add the followings to /etc/init.d/freeswitch ulimit -c unlimited ulimit -d unlimited ulimit -f unlimited ulimit -i unlimited ulimit -n 999999 ulimit -q unlimited ulimit -u unlimited ulimit -v unlimited ulimit -x unlimited ulimit -s 240 ulimit -l unlimited
3) Set rtp-timer-name to none and rtp-timeout-sec to zero in your sip profile.
Regards, Ali Pey
On Tue, Jun 24, 2014 at 3:42 PM, Guillermo Ruiz Camauer < grcamauer@gmail.com> wrote:
Have you tried spreading the calls over more than 1 SIP profile? Each SIP profile gets its own thread.
Also, is this all within your LAN? No firewalls/filters? Are you sure you are linking at 1Gbps, full duplex?
Guillermo
On Sat, Jun 7, 2014 at 2:22 PM, D D <tru083@yahoo.com> wrote:
Hi,
I would like to put 500 - 1000 calls into a FS system.
I have a Dell R900 server with these properties: 8 processors at 2.40GHz 8GB RAM Gigabit ethernet
I use sipp to send RTP streams.
I use the FS settings recommended here:
https://wiki.freeswitch.org/wiki/Performance_testing_and_configurations <https://contactmonkey.com/api/tracker?cm_session=c6e7bb42-d00d-46cc-bfdd-e3072b818af8&cm_type=link&cm_link=7e360a1f-cf3a-4b18-86e3-239b2604c34b&cm_destination=https://wiki.freeswitch.org/wiki/Performance_testing_and_configurations> including the in-memory core.db.
I also have used the "-rp" and "-nosql" settings on the FS command-line, and also used the "chrt" command to increase the priority to real-time.
In all cases, at around 300 concurrent calls, the RTP inter-packet delay becomes unacceptably high. The voice quality is severely impacted.
During the test, the CPU is not overloaded. It is using only about 1.5 of the 8 processors.
Are these results expected?
Has anyone gone higher than 300 concurrent calls?
Is there anything else that I can do with configuration to improve throughput?
Thanks, David
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