[asterisk-users] IAX2 trunking with Older Asterisk, version ?

[Tharanga]

my sip phone registered on 1.6, when i dial 4567 from 1.6 version, it wont go to 1.6 voice mail. it says



== Using SIP RTP CoS mark 5
    -- Executing [4567 at sip:1] Dial("SIP/312-09f9a720", "IAX2/trunk10 at 147.120.203.98/4567,10,t") in new stack
    -- Called trunk10 at 147.120.203.98/4567
[Jun  1 11:01:18] WARNING[8178]: chan_iax2.c:8991 socket_process: Call rejected by 147.120.203.98: No authority found
    -- Hungup 'IAX2/trunk14-9738'
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Auto fallthrough, channel 'SIP/312-09f9a720' status is 'CHANUNAVAIL'


[trunk14]
type=friend
host=147.120.203.98
auth=plaintext
secret=Mah
context=sip,sip2,sip3
;keyrotate=off
permit=0.0.0.0/0.0.0.0



1.6 EXTENSIONS.CONF

[globals]
TRUNKIAX14=IAX2/trunk10 at 147.120.203.98


[sip]
;exten => 4567,1,Dial(${TRUNKIAX14}/${EXTEN}|10|t)
exten => 4567,1,Voicemail(${EXTEN},u)
~



1.2 EXTENSIONS.CONF

[Jun  1 05:20:31] NOTICE[9536]: chan_iax2.c:8782 socket_process: Rejected connect attempt from 147.120.203.71, who was trying to reach '4567@


[trunk14]
type=friend
host=147.120.203.71
auth=plaintext
secret=Mah
context=sip,sip2,sip3
;keyrotate=off
permit=0.0.0.0/0.0.0.0





[globals]
TRUNKIAX14=IAX2/trunk10 at 147.120.203.71


[sip]
exten => s,1,wait(1)                     ; Answer the line
exten => s,n,BackGround(demo-congrats)
exten => s,n,ResponseTimeout,5
exten => s,n,Dial(SIP/${EXTEN},20,t)
;exten => s,n,BackGround(goodbye)
exten => s,n,Hangup

exten => 4567,1,Dial(${TRUNKIAX14}/${EXTEN},10,t)





Asterisk versions may differ. I do IAX trunk successfully even
between Asterisk 1.0.2 and 1.4.xx
please post your Dial command.