[SIPForum-discussion] Unable to establish a call

[aditya kumar]

Hi,

I have successfully register the X-lite soft phone with Asterisk server,But 
unable to establish a call with other extension,When I am trying to call 
,got  503 response (service unavailable)
The Asterisk verision use :asterisk-1.2.15
Whenever I am calling to other extension,On asterisk server I have found the 
following messages.can u tell me where I was wrong If anybody hae prior 
experience of this scenario.
---------------------------------------------------
" 8 14:09:28 NOTICE[2981]: app_dial.c:1055 dial_exec_full: Unable to create 
channel of type 'SIP' (cause 3 - No route to destination)
  == Everyone is busy/congested at this time (1:0/0/1)
  == Auto fallthrough, channel 'SIP/192.168.98.47-097dc098' status is 
'CHANUNAVAIL'"
--------------------------------------------------

Looking for advance comment

Thanks
Aditya

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