Hello
I have installed OpenSips 1.6.4 on CentOS 5.5 32bit with load balancing & mysql support ; I want to balance calls to 2 asterisk servers . I am sending traffic to opensips from 1 x gnudialer & 1 x vicidial ( so from predictive dialers ). Situation is like this: +----+----------+--------------------------+-----------+------------+-------------+ | id | group_id | dst_uri | resources | probe_mode | description | +----+----------+--------------------------+-----------+------------+-------------+ | 1 | 1 | sip:192.168.254.241:5060 | pstn=300 | 0 | | | 2 | 1 | sip:192.168.254.242:5060 | pstn=300 | 0 | | +----+----------+--------------------------+-----------+------------+-------------+ 600 channels in total , and I send around 500 channels ; OpenSips drops a lot of calls; By drop I mean a call that is not sent to one of those 2 asterisk servers that I have. The code for balancing in this situation is: if (uri=~"^sip:0[1-9][0-9]*@") { load_balance("1","pstn"); xlog("sending call $ru to $du\n"); t_relay(); exit; } ! An important thing to say is that in /var/log/messages I see the specific number that is sent to 192.168.254.241 for example ; So the parameter xlog("sending call $ru to $du\n"); works ; The problem is that in logs on 192.168.254.241 that number never arrives in asterisk logs ; In logs of vicidial & gnudialer I see it like congestion. If I do something like this: +----+----------+---------------------+-----------+------------+-------------+ | id | group_id | dst_uri | resources | probe_mode | description | +----+----------+---------------------+-----------+------------+-------------+ | 1 | 1 | sip:192.168.254.241 | pstn=150 | 0 | | | 2 | 2 | sip:192.168.254.241 | pstn=150 | 0 | | | 3 | 1 | sip:192.168.254.242 | pstn=150 | 0 | | | 4 | 2 | sip:192.168.254.242 | pstn=150 | 0 | | And I split opensips balancing in 2 if(src_ip==192.168.3.10 ) { load_balance("1","pstn"); xlog("sending call to $du\n"); t_relay(); exit; }; if(src_ip==192.168.3.11 ) { load_balance("2","pstn"); xlog("sending call to $du\n"); t_relay(); exit; }; and by doing this I get the same numbers of channels on opensips ( around 500 channels ) but I am splitting in 2 groups of load balancing; It can process all the calls. Another question that I saw is that when I make a single call to opensips and I involve load balancing in /var/log/messages I get 2 times the same message .. just like it send 2 time to asterisk server the call .. but on asterisk I receive only one time. Mar 10 14:58:47 opensips /usr/local/sbin/opensips[27611]: sending call to sip:192.168.254.241 Mar 10 14:58:47 opensips /usr/local/sbin/opensips[27611]: sending call to sip:192.168.254.241 Isn't load balancing fast enough the process the calls made by predictive dialers, when over 300 channels is sent .. ? Or I have some mistakes made .
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