GOautodial Open Source Omni-channel Contact Center Suite

Good Day,

I am getting the error "Sorry, it is not valid extension" when I dial a number

I am using Onecent VOIP Provider with following configuaration:

Registration string:
register => user:pass@ server4.onecentvoip.com:5060 [1]

[onecentvoip]
disallow=all
allow=gsm
allow=ulaw
type=friend
dtmfmode=rfc2833
context=onecentvoip
qualify=yes
insecure=invite,port
port=5060
host= server4.onecentvoip.com [2]
fromdomain= server4.onecentvoip.com [2]
username=user
fromuser=user
fromusername=user
secret=pass

exten => _11XXXXXXXXXX,1,AGI
exten => _11XXXXXXXXXX,2,Dial(SIP/onecentvoip/${EXTEN:1},,tTor)
exten => _11XXXXXXXXXX,3,Hangup

I am using the latest version of Goautodial Server on a Virtual Machine.
I am using eyebeam as softphone.
I am calling USA

Please help!!!