[asterisk-ss7] Asterisk SS7 configuration Problem asterisk-1.6.0.9

Sat May 16 15:37:15 CDT 2009

Hi!,

Are you connecting to any Ericsson MSC/GMSC? check for subservice.There is
an issue with Ericsson switches. And also check that the SS7 is set to ITU-T
(WHITE for BD)

the error number indicates ISDN error 34, no circuit/channel available

Check that the operator has CRC4 enabled or not. normally it sould be
NO-CRC4 in most of the operators in BD

The reason the asterisk can not create channel DAHDI is the SS7 BChans are
not in idle state and this also means that the SS7 link MTP3 is not
operational. try block and unblock on the linkset channels. turn on the ISUP
debug. Hope you get the reason.

Also check if your operator accesspets the leading '880' to be dialed or its
without them. May be '01720039748' you can try.

If they want to strip digits, set the extentions.conf to

exten => _X.,3,Dial(DAHDI/g1/${EXTEN}:2)

.

-Vashkar

On Thu, May 14, 2009 at 6:28 AM, Gobinda Paul <gobinda at live.com> wrote:

> Hi,
>
> Any Idia?
>
> *if i dial any number , i got 34 error. can you please tell what's the
> wrong done by me?
> *
>     -- Executing [8801720039748 at default:1]
> Answer("SIP/XXX.XXX.XXX.XXX-116b9aa0", "") in new stack
>     -- Executing [8801720039748 at default:2]
> Set("SIP/XXX.XXX.XXX.XXX-116b9aa0", "CALLERID(all)=14159928422") in new
> stack
>     -- Executing [8801720039748 at default:3]
> Dial("SIP/XXX.XXX.XXX.XXX-116b9aa0", "DAHDI/g1/920172XXXXXX") in new stack
> [Apr 19 02:21:19] WARNING[11603]: app_dial.c:1468 dial_exec_full: Unable to
> create channel of type 'DAHDI' (cause 34 - Circuit/channel congestion)
>   == Everyone is busy/congested at this time (1:0/1/0)
>     -- Executing [8801720039748 at default:4]
> Hangup("SIP/XXX.XXX.XXX.XXX-116b9aa0", "") in new stack
>
> Thanks in Advance .
>
>
> Gobinda Paul
>
>
>
> ------------------------------
> From: gobinda at live.com
> To: asterisk-ss7 at lists.digium.com
> Subject: RE: Asterisk SS7 configuration Problem asterisk-1.6.0.9
> Date: Sun, 19 Apr 2009 03:19:15 +1100
>
> hi,
>
>
> Yes, i am sill facing the problem.
>
>
> Thanks,
> Gobinda
>
>
>
>
> ------------------------------
> From: gobinda at live.com
> To: asterisk-ss7 at lists.digium.com
> Subject: Re: Asterisk SS7 configuration Problem asterisk-1.6.0.9
> Date: Sun, 19 Apr 2009 01:29:33 +1100
>
> Hi mesbah,
>
> Thanks for your reply, i have made some changes ,
> -------------------------------------------------
> [root at localhost ~]# cat /etc/dahdi/system.conf
> span=1,1,0,ccs,hdb3,crc4
> bchan=2-31
> mtp2=1
> echocanceller=mg2,2-31
> span=2,2,0,ccs,hdb3,crc4
> bchan=32-62
> echocanceller=mg2,32-62
> span=3,3,0,ccs,hdb3,crc4
> bchan=63-93
> echocanceller=mg2,63-93
> loadzone        = us
> defaultzone     = us
> -------------------------------------------------
> [root at localhost ~]# cat /etc/asterisk/chan_dahdi.conf
>  [trunkgroups]
> [channels]
> language=en
> context=ss7
> switchtype=euroisdn
> signalling=ss7
> toneduration=100
> usecallerid=yes
> callwaiting=yes
> usecallingpres=yes
> callwaitingcallerid=yes
> threewaycalling=yes
> transfer=yes
> canpark=yes
> cancallforward=yes
> callreturn=yes
> echocancel=yes
> echocancelwhenbridged=yes
> group=1
> callgroup=1
> pickupgroup=1
> ss7type = itu
> ss7_called_nai=dynamic
> ss7_calling_nai=dynamic
> linkset = 1
> pointcode = 3924
> adjpointcode = 9322
> defaultdpc = 9322
> networkindicator=international
> cicbeginswith = 2
> mtp2=1
> sigchan = 1
> channel = 2-31
> cicbeginswith = 32
> channel =32-62
> cicbeginswith = 63
> channel =63-93
> ------------------------------------------------
> [root at localhost ~]# cat /etc/asterisk/dahdi-channels.conf
> group=1
> context=ss7
> switchtype = euroisdn
> signalling = ss7
> channel => 2-31
> channel => 32-62
> channel => 63-93
> -----------------------------------------------
> [root at localhost ~]# cat /etc/asterisk//extensions.conf
>
> [default]
> exten => s,1,Answer()
> exten => s,2,Playback(hello-world)
> exten => s,3,hangup()
> include => ss7
> [ss7]
> exten => s,1,Answer()
> exten => s,2,hangup()
> exten => _X.,1,Answer()
> exten => _X.,2,Set(CALLERID(all)=14159928422)
> exten => _X.,3,Dial(DAHDI/g1/${EXTEN})
> exten => _X.,4,hangup()
>
> ---------------------------------------------
> **CLI> dahdi restart*
> *---------*
> *--------*
>   == Starting SS7 linkset on span 1
> Huh?! Got FISU in link state 1
> --- SS7 Down ---
> MTP2 link up (SLC 0)
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting
> retransmission
> [Apr 19 02:26:28] WARNING[11777]: chan_dahdi.c:9836 ss7_linkset: MTP2 link
> down (SLC 0)
> MTP2 link up (SLC 0)
> --- SS7 Up ---
> Resetting CICs 2 to 33
> Resetting CICs 34 to 65
> Resetting CICs 66 to 93
> [Apr 19 02:26:30] WARNING[11777]: chan_dahdi.c:9836 ss7_linkset: MTP2 link
> down (SLC 0)
> MTP2 link up (SLC 0)
> Received out of sequence MSU w/ fsn of 2, lastfsnacked = 0, requesting
> retransmission
> MSU received, though still waiting for retransmission start.  Dropping.
> Received out of sequence MSU w/ fsn of 2, lastfsnacked = 0, requesting
> retransmission
> MSU received, though still waiting for retransmission start.  Dropping.
> Received out of sequence MSU w/ fsn of 3, lastfsnacked = 0, requesting
> retransmission
> Received out of sequence MSU w/ fsn of 3, lastfsnacked = 1, requesting
> retransmission
> ---------------------------------------------------------
>
> *if i dial any number , i got 34 error. can you please tell what's the
> wrong done by me?*
>
>     -- Executing [8801720039748 at default:1]
> Answer("SIP/XXX.XXX.XXX.XXX-116b9aa0", "") in new stack
>     -- Executing [8801720039748 at default:2]
> Set("SIP/XXX.XXX.XXX.XXX-116b9aa0", "CALLERID(all)=14159928422") in new
> stack
>     -- Executing [8801720039748 at default:3]
> Dial("SIP/XXX.XXX.XXX.XXX-116b9aa0", "DAHDI/g1/920172XXXXXX") in new stack
> [Apr 19 02:21:19] WARNING[11603]: app_dial.c:1468 dial_exec_full: Unable to
> create channel of type 'DAHDI' (cause 34 - Circuit/channel congestion)
>   == Everyone is busy/congested at this time (1:0/1/0)
>     -- Executing [8801720039748 at default:4]
> Hangup("SIP/XXX.XXX.XXX.XXX-116b9aa0", "") in new stack
>
>
> ----------------------------------------------
>
> Thanks ,
> Gobinda
>
>
>
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