asterisk users - Jun 2013 - IAX2 netsock error with name resolution

Am getting netsock error like this when using IAX2,

Connected to Asterisk 11.2.1 currently running on indiaprimaryast01 (pid 4270)
  == Using SIP RTP CoS mark 5
    -- Executing [2001 at Test:1] Dial("SIP/4090-00000005",
"SIP/2001 at IAX2/IND-MAN,30")
in new stack
[Jun 23 06:31:36] NOTICE[4383][C-00000005]: chan_sip.c:29491
sip_request_call: Conflicting extension values given. Using '2001' and
not
'IND-MAN'
  == Using SIP RTP CoS mark 5
[Jun 23 06:31:36] ERROR[4383][C-00000005]: netsock2.c:269
ast_sockaddr_resolve: getaddrinfo("IAX2", "(null)", ...):
Temporary failure
in name resolution
[Jun 23 06:31:36] WARNING[4383][C-00000005]: chan_sip.c:6191 create_addr:
No such host: IAX2
[Jun 23 06:31:36] WARNING[4383][C-00000005]: app_dial.c:2437
dial_exec_full: Unable to create channel of type 'SIP' (cause 20 -
Subscriber absent)
  == Everyone is busy/congested at this time (1:0/0/1)

My hostname are proper,
in /etc/hostname and /etc/sysconfig/network

Even then am not able to find why am getting this error. Also am able to
ping with my own hostname.

Regards,
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.digium.com/pipermail/asterisk-users/attachments/20130623/0e6cf502/attachment.htm>

<snip>
>     -- Executing [2001 at Test:1] Dial("SIP/4090-00000005",
"SIP/2001 at IAX2/IND-MAN,30") in new stack
> [Jun 23 06:31:36] NOTICE[4383][C-00000005]: chan_sip.c:29491
sip_request_call: Conflicting extension values given. Using '2001' and
not
'IND-MAN'
>   == Using SIP RTP CoS mark 5
> [Jun 23 06:31:36] ERROR[4383][C-00000005]: netsock2.c:269
ast_sockaddr_resolve: getaddrinfo("IAX2", "(null)", ...):
Temporary failure
in name resolution
> [Jun 23 06:31:36] WARNING[4383][C-00000005]: chan_sip.c:6191 create_addr:
No such host: IAX2 
> [Jun 23 06:31:36] WARNING[4383][C-00000005]: app_dial.c:2437
dial_exec_full: Unable to create channel of type 'SIP' (cause 20 -
Subscriber absent)
>   == Everyone is busy/congested at this time (1:0/0/1)
Try this syntax Dial(IAX2/IND-MAN/2001,30)
Where IND-MAN is the name of a peer/friend [IND-MAN] defined in iax.conf
and 2001 is the extension on the remote system 'IND-MAN' where 2001
dials
SIP/2001

Alec Davis