asterisk users - Sep 2014 - NOT able to call on local extensions while successfully call on external mobile no.(using SONETEL account)

*Dear List*
Plz help, i am not much experienced with asterisk. i configured it on
ubuntu 12.04. no problem when i call any mobile no(0091XXXXXXXXXX) but when
i call on my local asterisk  no.(101,102 or 105) it is not connecting
giving error
"Auto fallthrough, channel 'SIP/lucknow-0000006f' status is
'CHANUNAVAIL'
*while when i call 200 it is playing audiofile successfully. Please help *here
is my sip.conf and extensions.conf.

thanks.



*=========================sip.conf============================*


[general]
context=unauthenticated
allowguest=yes
srvlookup=yes
udpbindaddr=0.0.0.0
tcpenable=no
register => support at mydomain.net:password at sip.sonetel.com
outboundproxy=sip.sonetel.com

[usa_number]
type=friend
dtmfmode=rfc2833
context=hello123
host=sip.sonetel.com
username=support
secret=password
nat=yes
fromdomain=mydomain.net
outboundproxy=sip.sonetel.com
insecure=invite
disallow=All
allow=alaw
allow=ulaw
allow=gsm


[office-phone](!)
type=friend
context=LocalSets
host=dynamic
nat=yes
secret=s3CuR#p at s5
dtmfmode=auto
disallow=all
allow=ulaw

; define a device name and use the office-phone template
[bombay](office-phone)

; define another device name using the same template
[lucknow](office-phone)

[test5](office-phone)

==========================================================



*====================extensions.conf===========================*


[LocalSets]

exten => _00X.,1, Answer
exten => _00X.,n, Set(CALLERID(num)=support)
exten => _00X.,n, Dial(SIP/${EXTEN}@support)
exten => _00X.,n, Hangup


exten => 101,1,Dial(SIP/lucknow)

exten => 102,1,Dial(SIP/bombay)

exten => 105,1,Dial(SIP/test5)


exten => 200,1,Answer()
    same => n,Playback(an_audio_file)
    same => n,Hangup()

[hello123]
exten => support,1,Answer
exten => support,n,Playback(Enterprise-Welcome-message);
exten => support,n, Hangup


==========================================================



regards
abhi
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Le 13/09/2014 20:04, Alok Srivastava a ?crit :
> *Dear List*
> Plz help, i am not much experienced with asterisk. i configured it on
> ubuntu 12.04. no problem when i call any mobile no(0091XXXXXXXXXX) but
> when i call on my local asterisk  no.(101,102 or 105) it is not
> connecting giving error
> "Auto fallthrough, channel 'SIP/lucknow-0000006f' status is
'CHANUNAVAIL'
> *while when i call 200 it is playing audiofile successfully. Please help
> *here is my sip.conf and extensions.conf.
Check with 'sip show peers' in asterisk CLI, your extensions are not 
registred (bombay,lucknow and test5)

-- 
Daniel