Trunk IAX2 does not work (not found)

bouly · January 4, 2020, 9:50am

Hello,

I am trying to configure an IAX trunk between 2 asterisk serveur (on virtuals machines).
I am able to call SIP phone inside my servers but I am not able to call through the trunk.
I got a “not found error” in Zoiper.

Here is my configuration:
For asterisk A (192.168.0.20)
sip.conf

[general]
context=default

[phone1]
type=friend
context=asterisk
host=dynamic
secret=123456
disallow=all
allow=ulaw

[phone2]
type=friend
context=asterisk
host=dynamic
secret=123456
disallow=all
allow=ulaw

extensions.conf

[asterisk]
exten => 101,1,Wait(1)
exten => 101,2,Dial(SIP/phone1,30)
exten => 101,3,Hangup()

exten => 102,1,Wait(1)
exten => 102,2,Dial(SIP/phone2,30)
exten => 102,3,Hangup()

exten => _0XXX,1,Wait(1)
exten => _0XXX,2,Dial(IAX2/trunk_asterisk/$[EXTEN:1],30)
exten => _0XXX,3,Hangup()

iax.conf

[trunk_asterisk]
type=friend
host=192.160.0.21
username=trunk_asteriskB
context=asteriskB
permit=192.160.0.21/255.255.255.0
secret=123456
trunk=yes
language=fr
qualify=yes
timezone=Europe/Brussels

For asterisk B (192.168.0.21)
sip.conf

[general]
context=default

[phone3]
type=friend
context=asteriskB
host=dynamic
secret=123456
disallow=all
allow=ulaw

extensions.conf

[asteriskB]
exten => 201,1,Wait(1)
exten => 201,2,Dial(SIP/phone3,30)
exten => 201,3,Hangup()

exten => _0XXX,1,Wait(1)
exten => _0XXX,2,Dial(IAX2/trunk_asteriskB/$[EXTEN:1],30)
exten => _0XXX,3,Hangup()

iax.conf

[trunk_asteriskB]
type=friend
host=192.160.0.20
username=trunk_asterisk
context=asterisk
permit=192.160.0.20/255.255.255.0
secret=123456
trunk=yes
language=fr
qualify=yes
timezone=Europe/Brussels

Servers can ping each others… And I also tried to write this in the iax.conf but it does not work…

permit=192.168.0.0/255.255.255.0

Thanks for your help !

jcolp · January 4, 2020, 11:04am

You’re going to need to show the actual console output on both sides for a call attempt so it can be narrowed down.

bouly · January 4, 2020, 11:26am

Thanks for help.
here is the asterisk A CLI, when I call from A to B (I do not have anything on the other side)

It’s strange that there is my public address behind the red (I’m in bridge mode). Should I set it up on private network ?

bouly · January 4, 2020, 2:04pm

I have exactly the same error in a private network.

david551 · January 4, 2020, 2:56pm

Neither of those traces is at a sufficiently high logging level to identify the causes and whether they are the same. They only support a generic unavailable status, not necessarily “not found”.

bouly · January 4, 2020, 3:20pm

I guess, but how can I identify precisely the cause of the problem ?
sip show peers
and iax2 show peers
both tell me it’s “online”

jcolp · January 4, 2020, 3:41pm

You haven’t shown the remote side, where you are dialling.

bouly · January 4, 2020, 3:45pm

Nothing happened on this side

jcolp · January 4, 2020, 6:37pm

Do “iax2 set debug on” and then perform a call. What is output?

bouly · January 4, 2020, 8:11pm

When I call from A to B… (192.168.0.20 to 192.168.0.21)

  == Using SIP RTP CoS mark 5
       > 0x7f1eac005680 -- Strict RTP learning after remote address set to: XX.XXX.XX.XX:8000
    -- Executing [0201@asterisk:1] Wait("SIP/phone1-00000007", "1") in new stack
    -- Executing [0201@asterisk:2] Dial("SIP/phone1-00000007", "IAX2/trunk_asterisk/201,30") in new stack
Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass: NEW
   Timestamp: 00013ms  SCall: 20901  DCall: 00000 192.168.0.21:4569
   VERSION         : 2
   CALLED NUMBER   : 201
   CODEC_PREFS     : (ulaw|alaw|siren14|siren7|g722|slin16|slin|g726|g726aal2|adpcm|gsm|ilbc|speex|lpc10|g7                                                                                            29|g723)
   CALLING NUMBER  : phone1
   CALLING PRESNTN : 0
   CALLING TYPEOFN : 0
   CALLING TRANSIT : 0
   CALLING NAME    :
   LANGUAGE        : en
   USERNAME        : trunk_asteriskB
   FORMAT          : 4
   FORMAT2         : ulaw
   CAPABILITY      : 65535
   CAPABILITY2     : Unknown
   ADSICPE         : 2
   DATE TIME       : 2020-01-04  21:06:42

Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX     Subclass: CTOKEN
   Timestamp: 00013ms  SCall: 00001  DCall: 20901 192.168.0.21:4569
   CALLTOKEN       : 51 bytes

Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass: NEW
   Timestamp: 00014ms  SCall: 20901  DCall: 00000 192.168.0.21:4569
   VERSION         : 2
   CALLED NUMBER   : 201
   CODEC_PREFS     : (ulaw|alaw|siren14|siren7|g722|slin16|slin|g726|g726aal2|adpcm|gsm|ilbc|speex|lpc10|g7                                                                                            29|g723)
   CALLING NUMBER  : phone1
   CALLING PRESNTN : 0
   CALLING TYPEOFN : 0
   CALLING TRANSIT : 0
   CALLING NAME    :
   LANGUAGE        : en
   USERNAME        : trunk_asteriskB
   FORMAT          : 4
   FORMAT2         : ulaw
   CAPABILITY      : 65535
   CAPABILITY2     : Unknown
   ADSICPE         : 2
   DATE TIME       : 2020-01-04  21:06:42
   CALLTOKEN       : 51 bytes

Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX     Subclass: AUTHREQ
   Timestamp: 00009ms  SCall: 01997  DCall: 20901 192.168.0.21:4569
   AUTHMETHODS     : 3
   CHALLENGE       : \x31\x31\x38\x37\x33\x39\x38\x39\x38
   USERNAME        : trunk_asteriskB

Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 001 Type: IAX     Subclass: AUTHREP
   Timestamp: 00015ms  SCall: 20901  DCall: 01997 192.168.0.21:4569
   MD5 RESULT      : 8e9c870954e50cc31445bc12dc2bfbbc

Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 002 Type: IAX     Subclass: REJECT
   Timestamp: 00010ms  SCall: 01997  DCall: 20901 192.168.0.21:4569
   CAUSE           : No such context/extension
   CAUSE CODE      : 3

Tx-Frame Retry[-01] -- OSeqno: 002 ISeqno: 002 Type: IAX     Subclass: ACK
   Timestamp: 00010ms  SCall: 20901  DCall: 01997 192.168.0.21:4569
    -- Called IAX2/trunk_asterisk/201
    -- Hungup 'IAX2/trunk_asterisk-20901'
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing [0201@asterisk:3] Hangup("SIP/phone1-00000007", "") in new stack
  == Spawn extension (asterisk, 0201, 3) exited non-zero on 'SIP/phone1-00000007'
Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass: POKE
   Timestamp: 00002ms  SCall: 10611  DCall: 00000 192.168.0.21:4569

Tx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX     Subclass: PONG
   Timestamp: 00002ms  SCall: 00001  DCall: 10611 192.168.0.21:4569
Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 001 Type: IAX     Subclass: ACK
   Timestamp: 00002ms  SCall: 10611  DCall: 00001 192.168.0.21:4569

I guess “No such context/extension” is the problem ?!

jcolp · January 4, 2020, 8:36pm

Yes, the problem is on 192.168.0.21

bouly · January 4, 2020, 8:43pm

Ok thanks, I will check but I do not know what could be wrong.
I already checked username and context in iax.conf and extensions.conf.
Or maybe I misunderstood the syntax ?

jcolp · January 4, 2020, 8:45pm

Well I can say that based on the configuration the “trunk_asteriskB” account is using context “asterisk” and your showed dialplan is using context “asteriskB”.

bouly · January 4, 2020, 8:47pm

Oh ok I thought the context in the trunk configuration is the remote context

DadadoSenior · January 4, 2020, 10:10pm

you must create a profile on your server 1 on which server 2 can connect.
so in iax.conf create the profile:

[ESMT]
type = friend
host = dynamic
trunk = yes
context = abonnes_esmt

at the level of [general], put the line:
register => server_profile2:password_server2@ ip_address_server2.

Repeat the same procedure on server 2 but taking another profile

DadadoSenior · January 4, 2020, 10:51pm

I’ll organize this for you.

At server level 1, put in iax.conf:

[general]
language = fr
qualify = yes

register => ESMT@ip_address_server2

; ------ PROFILE FOR REGISTRATION ---------

[CPC]
type = friend
host = dynamic
trunk = yes
context = training

in extensions.conf:

[training]
; Local subscribers
exten => _955 [8-9] XXX, 1, DIAL (IAX2 / $ {EXTEN}, 60, tr)
exten => _955 [8-9] XXX, 2, Hangup ()

; External subscribers
exten => _4955 [5-7] XXX, 1, DIAL (IAX2 / CPC / $ {EXTEN: 1}, 60, tr)
exten => _4955 [5-7] XXX, 2, Hangup ()

At server level 2, in iax.conf put:
[general]
language = en
qualify = yes

register => CPC@ip_address_server1

; ------ PROFILE FOR REGISTRATION ---------

[ESMT]
type = friend
host = dynamic
trunk = yes
context = training

in extensions.conf:

[training]
;local subscribers
exten => _955 [5-7] XXX, 1, DIAL (IAX2 / $ {EXTEN}, 60, tTr)
exten => _955 [5-7] XXX, 2, Hangup ()

; External subscribers
exten => _4955 [8-9] XXX, 1, DIAL (IAX2 / ESMT / $ {EXTEN: 1}, 60, tTr)
exten => _4955 [8-9] XXX, 2, Hangup ()

After making these configurations, go to Asterisk CLI mode and do iax2 show registry. You should get messages like capturing on both servers.

system · February 3, 2020, 10:51pm

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Trunk IAX2 does not work (not found)

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