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"Outgoing call failed" on SIP. Then working again.

Simeon Ostberg

May 06, 2019 14:45

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Hi everyone,

We have problems with outgoing calls: I can do an outgoing call, but when I try to make another call, it's not possible, and the log says "Outgoing call failed". After some time, I can again make a call. In the meantime, no difference is visible in the log.

All suggestions I found here and in the Yeastar help (https://support.yeastar.com/hc/en-us/articles/360011004693-Common-Causes-for-SIP-Outbound-Call-Failures) didn't help to solve the problem.

What can I do to solve this?

 

Thanks!

Simeon

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3 comments

• 0
  
  Larry Neblett May 07, 2019 12:39

  Perhaps starting with some details such as device being used, what type or connection, etc. 

   

  Simply stating an issue makes it somewhat problematic to know where to start when we know nothing about the devices, setup, how soon the second call can be made, etc., etc., etc..

• 0
  
  Simeon Ostberg May 08, 2019 16:09

  Hi Larry,

  Please excuse!

  We use a SIP trunk connection, device is a S20 and Htek phones. Unfortunately I can't say, how soon it is possible to make another call. Sometimes I just hang up and dial again and it works, and sometimes, it doesn't work for minutes.

  I also asked the Yeastar help desk about it, and they suggested to switch of "Qualify" in "Trunk settings" => "Advanced".

  Now I also switched on "Activate Outbound Proxy" in basic trunk settings and inserted the same settings as for hostname / IP. I did that, because we have some kind of a special situation: We just changed from ISDN to VOIP, and from one phone company to another. However, we still have to use the DSL line from the old provider together with VOIP from the new. In my impression using the proxy function made the problem appear less often.

  Best,
  Simeon

• 0
  
  De Vos May 10, 2019 06:02

  Good Day Simon,

  At one of my sites I am experiencing the same fault - also an S20 system.
  The system worked form more than a year with absolutely no problem, we the had to change from internet provider as the DSL lines in that area is being upgrade to fiber an the DSL is not working at the moment- we that installed an LTE connection and from that day on we get multiple " Call failure " . the only thing I changed was the type of internet connection!!
  After switching  of "Quality" in "Trunk settings" => "Advanced". everything seems to be fine now but it does not make any sense to me ??

  any advice