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Telephone ISDN can not call out

Simone Zerbin

February 13, 2020 14:49

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Hi,

Yeastar S20 (last firmware) with one card ISDN BRI on board.

Trunk BRI1 (Network)

Trunk SIP Register trunk

Inbound Routes: ISDN to SIP,   SIP to ISDN  (Destination: Outbound Route)

Outbound Routes: ToSIP, toISDN

 

I Have a ISDN PBX connected on Bri1 (Or a simply ISDN Phone)

When External user call Sip number, the ISDN Phone Ring and work

When the ISDN Phone call out , i hear Busy tone immediately.

 

How can i resolve ?

Thanks so much

Simone Zerbin

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3 comments

• 0
  
  Oscar Colka February 14, 2020 09:53

  Try get some logs and post here for further analyse

  1. Asterisk CLI logs:

  https://support.yeastar.com/hc/en-us/articles/115004185167-How-to-Capture-Asterisk-CLI-Logs-for-Yeasatr-S-Series-VoIP-PBX

  2. Pcap logs for SIP calls:

  https://support.yeastar.com/hc/en-us/articles/360007739473-How-to-Get-PCAP-Dump-Capture

• 0
  
  Elvis Havale February 14, 2020 11:54

  Ciao Simone ,

  can you post the Dial Pattern in the OUTBOUND Route and the BRI TRUNK setup ?

  Do you use TIM (Telecom) , Fastweb, Wind , Vodafone ?

   

  Try to add XXXXX. to dial Pattern and see what happens.

• 0
  
  Simone Zerbin February 14, 2020 16:26

  RESOLVED!!!!

  In the Trunk connected at the ISDN PBX:

  Trunk / Advanced / Overlap Dial

  Set to Inbound  (default Disable)

   

  Elvis: the outbound Trunk is:  TIM Voip (Sip Registered)