Having issues with sip-silence

[ykhan]

Calls are dialing in ratio mode, but even when a call is answered, it does not get transferred to an agent, but instead the call timer continues and CLI gives the following output:

Executing Playback("Local/918703425298@default-a7d2,1", "sip-silence") in new stack
-- Playing 'sip-silence' (language 'en')

Installed VicidialNOW 1.2 and using Xlite 3.0.1 with silence suppression turned off. Please help.

Thanks

[mflorell]

What codec are you using for your trunks?

Do you have the 'o' flag in the Dial string?

[ykhan]

Using g729 and the flags are Ttor. The issue goes away sometimes but it is pretty persistent.

Other issue is of agent screen freezing and agent going into PAUSE state in the admin real time screens. Everything in terms of latency and connectivity seems to be ok, but issue is still there.

[ykhan]

I looked at another post for a similar issue and then checked the Apache error_log file and found a lot of lines like the following:

Code: Select all

[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 422, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 444, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3111, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3120, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: no_delete_sessions in /var/www/html/agc/vdc_db_query.php on line 3125, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3129, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3137, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3153, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3160, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: channel in /var/www/html/agc/vdc_db_query.php on line 3188, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: exten in /var/www/html/agc/vdc_db_query.php on line 3188, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3196, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined offset:  3 in /var/www/html/agc/vdc_db_query.php on line 3200, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined offset:  4 in /var/www/html/agc/vdc_db_query.php on line 3200, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:25 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 3218, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: DB in /var/www/html/agc/vicidial.php on line 275, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: force_logout in /var/www/html/agc/vicidial.php on line 286, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: server_ip in /var/www/html/agc/vicidial.php on line 310, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: session_name in /var/www/html/agc/vicidial.php on line 310, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: server_ip in /var/www/html/agc/vicidial.php on line 438, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: session_name in /var/www/html/agc/vicidial.php on line 438, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: server_ip in /var/www/html/agc/vicidial.php on line 444, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: session_name in /var/www/html/agc/vicidial.php on line 444, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: MGR_override in /var/www/html/agc/vicidial.php on line 455, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: server_ip in /var/www/html/agc/vicidial.php on line 492, referer: http://192.168.2.5/agc/vicidial.php
[Wed Jul 15 23:46:31 2009] [error] [client 192.168.2.155] PHP Notice:  Undefined variable: session_name in /var/www/html/agc/vicidial.php on line 492, referer: http://192.168.2.5/agc/vicidial.php

I am not entirely clear on what all this means. Any help in pointing in the right direction is appreciated.

[mflorell]

Have you tried looking at mtop when these freezes happen?

What is the loadavg on the server when this happens?

[ykhan]

First: sip-silence issue

Getting the following on the CLI when calls not going to the agent:

Code: Select all

 -- Executing Dial("Local/918703562129@default-41c9,2", "SIP/18703562129@vitel-outbound||tTor") in new stack
    -- Called 18703562129@vitel-outbound
    -- SIP/vitel-outbound-08241b40 is making progress passing it to Local/918703562129@default-41c9,2
    -- SIP/vitel-outbound-0824bde0 is ringing
    -- SIP/vitel-outbound-0824bde0 is making progress passing it to Local/918703425673@default-e920,2
    -- SIP/vitel-outbound-08241b40 answered Local/918703562129@default-41c9,2
       > Channel Local/918703562129@default-41c9,1 was answered.
  == Manager 'sendcron' logged off from 127.0.0.1
    -- Executing Playback("Local/918703562129@default-41c9,1", "sip-silence") in new stack
  == Spawn extension (default, 918703562129, 2) exited non-zero on 'Local/918703562129@default-41c9,2'
    -- Playing 'sip-silence' (language 'en')
    -- Executing DeadAGI("Local/918703562129@default-41c9,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----16-----ANSWER-----28-----0") in new stack

I did a couple of Reloads on Asterisk CLI and then a few calls got through, but not suer if its related. On successfull calls I get following CLI output:

Code: Select all

 -- Executing Dial("Local/918703562129@default-41c9,2", "SIP/18703562129@vitel-outbound||tTor") in new stack
    -- Called 18703562129@vitel-outbound
    -- SIP/vitel-outbound-08241b40 is making progress passing it to Local/918703562129@default-41c9,2
    -- SIP/vitel-outbound-0824bde0 is ringing
    -- SIP/vitel-outbound-0824bde0 is making progress passing it to Local/918703425673@default-e920,2
    -- SIP/vitel-outbound-08241b40 answered Local/918703562129@default-41c9,2
       > Channel Local/918703562129@default-41c9,1 was answered.
  == Manager 'sendcron' logged off from 127.0.0.1
    -- Executing Playback("Local/918703562129@default-41c9,1", "sip-silence") in new stack
  == Spawn extension (default, 918703562129, 2) exited non-zero on 'Local/918703562129@default-41c9,2'
    -- Playing 'sip-silence' (language 'en')
    -- Executing DeadAGI("Local/918703562129@default-41c9,2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----16-----ANSWER-----28-----0") in new stack

Second, Agent freezing and placed in PAUSE state automatically

DId not get this issue during a 20 minute test period.

[gardo]

Agents going on pause usually means that the communication between their workstations and the server was somewhat interrupted. This can also happen on a ViciDial multi-server system if their dates and time are not synchronized.

Try using the sip-silence entry twice and see if it helps when the calls don't get transferred to the agents.

[williamconley]

then wipe all your user workstations clean (preferably install ubuntu instead of windows) to keep your agents from installing peer-to-peer software and internet radio and downloading viruses that are the primary causes of "intermittent" issues.

also check your server logs for DOS attacks (2,000 attempted logons in 1 hour is probably NOT normal activity).

watch your network activity with mtop and your cpu usage with htop and see if you can correlate any spikes with crashes.

if you get bored you can replace your router (i've had several cause intermittent issues, and THOSE were hard to catch!)