[Asterisk-Users] Re: NO ringback tone for VOIP call to another SIP server

[raymond]

Hi all,

To my surprise, I change the Dial statement in extensions.conf from:

exten => _852.,1,Dial,SIP/123456${EXTEN}@192.168.11.194,r

to:

exten => _852.,1,Dial(SIP/123456${EXTEN}@192.168.11.194,20,r)

I can hear ringback tone now.  I don't know why but it just works.

Cheers.

Raymond

  ----- Original Message ----- 
  From: raymond 
  To: asterisk-users at lists.digium.com 
  Sent: Tuesday, April 26, 2005 3:22 PM
  Subject: NO ringback tone for VOIP call to another SIP server


  All,

  I found that there is no ringback to the caller (a-party) for VoIP call but when I make call to registered user, I can hear the ringback tone.  
  Below are the debug log for the two cases:  

  I wonder if anyone who can tell me why?

  Thanks.

  Raymond


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