[asterisk-ss7] Link Up but no audio

Matthew Fredrickson creslin at digium.com
Sat Apr 18 12:30:24 CDT 2009


Daniel Pizarro Bustamante wrote:
> Hello Mesbah:
> 
> I am using the libss7-1.0 because the libss7-trunk has an error that we could see in this forum.
> 
> The asterisk and dahdi was downloaded from the svn (trunk versions).
> 
> How can I detect the CIC mismatch?


Well, one way to do it is to
> 
> Thanks,
> 
> Daniel Pizarro
> 
> 
> Connected to Asterisk SVN-
> 
> 
> --- El sáb 18-abr-09, Mesbahuddin Malik <mesbah.malik at gmail.com> escribió:
> 
>> De: Mesbahuddin Malik <mesbah.malik at gmail.com>
>> Asunto: Re: [asterisk-ss7] Link Up but no audio
>> A: asterisk-ss7 at lists.digium.com
>> Fecha: sábado, 18 abril, 2009, 11:40 am
>> Hi,
>>  
>> For various reasons this happen. The main reasons are
>>
>>  
>> 1.Firewall
>>  
>> 2.Libss7 version Mitch Matching
>>  
>> 3. CIC Mismatch
>>  
>> 4. Terminal End firewall issues
>>  
>>  
>> so check the above and let me know . I can help you in
>> this respect.
>>  
>> Best regards
>> Mesbah
>>
>>
>> On Sat, Apr 18, 2009 at 8:14 PM,
>> Daniel Pizarro Bustamante <dpizarro at yahoo.com>
>> wrote:
>>
>>
>>
>> Hello:
>>
>> I have an SS7 deployment with Asterisk
>> 1.6.x/libss7(1.0.x)/DAHDI.
>>
>> I try to originate a call (from CLI) and I am able to
>> connect the call
>>
>> but the called party doesn't hear anything. Eg.
>>
>> Originate Local/01996613358 at llamada application Playback
>> tt-monkeys
>>
>> I can send dtmf's and the called party can hear them.
>>
>> Originate Local/01996613358 at llamada application SendDTMF
>> 12345678
>>
>>
>> The debug shows me that:
>>
>>   -- Executing [01996613358 at llamada:1]
>> Set("Local/01996613358 at llamada-1bb8;2",
>> "CALLERID(number)=7773") in new
>> stack
>>   -- Executing [01996613358 at llamada:2]
>>
>> Dial("Local/01996613358 at llamada-1bb8;2",
>> "DAHDI/g1/01996613358") in new
>> stack
>>   -- Called g1/01996613358
>> Len = 34 [ b2 af 1f c5 38 38 34 1e 01 00 01 00 60 01 0a 00
>> 02 0a 08 03
>> 10 10 99 66 31 53 f8 0a 04 04 10 77 37 00 ]
>>
>> FSN: 47 FIB 1
>> BSN: 50 BIB 1
>>> [0] MSU
>> [ b2 af 1f ]
>>       Network Indicator: 3 Priority: 0 User Part: ISUP
>> (5)
>>       [ c5 ]
>>       OPC 14544 DPC 14392 SLS 1
>>       [ 38 38 34 1e ]
>>               CIC: 1
>>
>>               [ 01 00 ]
>>               Message Type: IAM
>>               [ 01 ]
>>               --FIXED LENGTH PARMS[4]--
>>               Nature of Connection Indicator:
>>                       Satellites in connection:
>> 0
>>
>>                       Continuity Check: Check
>> not required (0)
>>                       Outgoing half echo control
>> device: not included (0)
>>                       [ 00 ]
>>               Forward Call Indicators:
>>                       Nat/Intl Call Ind: call to
>> be treated as a national call (0)
>>
>>                       End to End Method Ind: no
>> end-to-end method(s) available (0)
>>                       Interworking Ind: no
>> interworking encountered (0)
>>                       End to End Info Ind: no
>> end-to-end information available (0)
>>
>>                       ISDN User Part Ind: ISDN
>> user part used all the way (1)
>>                       ISDN User Part Pref Ind:
>> ISDN user part not preferred all the way (1)
>>                       ISDN Access Ind:
>> originating access ISDN (1)
>>
>>                       SCCP Method Ind: no
>> indication (0)
>>                       [ 60 01 ]
>>               Calling Party's Category:
>>                       Category: Ordinary calling
>> subscriber (10)
>>                       [ 0a ]
>>
>> pelxsms2voice*CLTransmission Medium Requirements:
>>                       Speech (0)
>>                       [ 00 ]
>>               --VARIABLE LENGTH PARMS[1]--
>>               Called Party Number:
>>                       Nature of address: 3
>>
>>                       NI: 0
>>                       Numbering plan: 1
>>                       Address signals:
>> 01996613358#
>>                       [ 08 03 10 10 99 66 31 53
>> f8 ]
>>               --OPTIONAL PARMS--
>>
>>               Calling Party Number:
>>                       Nature of address: 4
>>                       NI: 0
>>                       Numbering plan: 1
>>                       Presentation: 0
>>                       Screening: 0
>>
>>                       Address signals: 7773
>>                       [ 0a 04 04 10 77 37 ]
>>
>> Len = 18 [ af b3 0f c5 d0 38 0e ae 01 00 06 12 34 01 29 01
>> 03 00 ]
>> FSN: 51 FIB 1
>> BSN: 47 BIB 1
>> <[0] MSU
>> [ af b3 0f ]
>>
>>       Network Indicator: 3 Priority: 0 User Part: ISUP
>> (5)
>>       [ c5 ]
>>       OPC 14392 DPC 14544 SLS 10
>>       [ d0 38 0e ae ]
>>               CIC: 1
>>               [ 01 00 ]
>>               Message Type: ACM
>>
>>               [ 06 ]
>>               --FIXED LENGTH PARMS[1]--
>>               Backward Call Indicator:
>>                       Charge indicator: 2
>>                       Called party's status
>> indicator: 0
>>                       Called party's
>> category indicator: 1
>>
>>                       End to End method
>> indicator: 0
>>                       Interworking indicator: 0
>>                       End to End information
>> indicator: 0
>>                       ISDN user part indicator:
>> 1
>>
>>                       Holding indicator: 0
>>                       ISDN access indicator: 1
>>                       Echo control device
>> indicator: 1
>>                       SCCP method indicator: 0
>>                       [ 12 34 ]
>>
>>               --OPTIONAL PARMS--
>>               Optional Backward Call Indicator:
>>                       In-band information
>> indicator: 1
>>                       Call diversion may occur
>> indicator: 1
>>                       Simple segmentation
>> indicator: 0
>>
>>                       MLPP user indicator: 0
>>                       [ 29 01 03 ]
>>
>>   -- DAHDI/1-1 is proceeding passing it to
>> Local/01996613358 at llamada-1bb8;2
>> Len = 17 [ af b4 0e c5 d0 38 0e ae 01 00 09 01 11 02 16 34
>> 00 ]
>>
>> FSN: 52 FIB 1
>> BSN: 47 BIB 1
>> <[0] MSU
>> [ af b4 0e ]
>>       Network Indicator: 3 Priority: 0 User Part: ISUP
>> (5)
>>       [ c5 ]
>>       OPC 14392 DPC 14544 SLS 10
>>       [ d0 38 0e ae ]
>>               CIC: 1
>>
>>               [ 01 00 ]
>>               Message Type: ANM
>>               [ 09 ]
>>               --OPTIONAL PARMS--
>>               Backward Call Indicator:
>>                       Charge indicator: 2
>>                       Called party's status
>> indicator: 1
>>
>>                       Called party's
>> category indicator: 1
>>                       End to End method
>> indicator: 0
>>                       Interworking indicator: 0
>>                       End to End information
>> indicator: 0
>>
>>                       ISDN user part indicator:
>> 1
>>                       Holding indicator: 0
>>                       ISDN access indicator: 1
>>                       Echo control device
>> indicator: 1
>>                       SCCP method indicator: 0
>>
>>                       [ 11 02 16 34 ]
>>
>>   -- DAHDI/1-1 answered Local/01996613358 at llamada-1bb8;2
>>   -- Launching SendDTMF(9876543210) on
>> Local/01996613358 at llamada-1bb8;1
>>  == Spawn extension (llamada, 01996613358, 2) exited
>> non-zero on
>>
>> 'Local/01996613358 at llamada-1bb8;2'
>> Len = 16 [ b4 b0 0d c5 38 38 34 1e 01 00 0c 02 00 02 81 90
>> ]
>> FSN: 48 FIB 1
>> BSN: 52 BIB 1
>>> [0] MSU
>>   -- Hungup 'DAHDI/1-1'
>> [ b4 b0 0d ]
>>       Network Indicator: 3 Priority: 0 User Part: ISUP
>> (5)
>>
>>       [ c5 ]
>>       OPC 14544 DPC 14392 SLS 1
>>       [ 38 38 34 1e ]
>>               CIC: 1
>>               [ 01 00 ]
>>               Message Type: REL
>>               [ 0c ]
>>               --VARIABLE LENGTH PARMS[1]--
>>
>>               Cause Indicator:
>>                       Coding Standard: 0
>>                       Location: 1
>>                       Cause Class: 1
>>                       Cause Subclass: 0
>>                       Cause: Normal call
>> clearing (16)
>>
>>                       [ 02 81 90 ]
>>
>> Len = 12 [ b0 b5 09 c5 d0 38 0e ae 01 00 10 00 ]
>> FSN: 53 FIB 1*CLI>
>> BSN: 48 BIB 1*CLI>
>> <[0] MSUvoice*CLI>
>> [ b0 b5 09 ]e*CLI>
>> pelxsms2Network Indicator: 3 Priority: 0 User Part: ISUP
>> (5)
>>
>> pelxsms2[ c5 ]CLI>
>> pelxsms2OPC 14392 DPC 14544 SLS 10
>> pelxsms2[ d0 38 0e ae ]
>> pelxsms2voice*CLCIC: 1
>> pelxsms2voice*CL[ 01 00 ]
>> pelxsms2voice*CLMessage Type: RLC
>> pelxsms2voice*CL[ 10 ]
>> pelxsms2voice*CLI>
>>
>> Len = 18 [ b0 b6 0f c1 d0 f8 0f 0e 11 80 87 88 89 8a 8b 8c
>> 8d 8e ]
>> FSN: 54 FIB 1
>> BSN: 48 BIB 1
>> <[0] MSU
>> [ b0 b6 0f ]
>>       Network Indicator: 3 Priority: 0 User Part:
>> STD_TEST (1)
>>       [ c1 ]
>>       OPC 14399 DPC 14544 SLS 0
>>
>>       [ d0 f8 0f 0e ]
>>       H0: 1 H1: 1
>>       [ 11 ]
>>
>> Len = 18 [ b6 b1 0f c1 3f 38 34 0e 21 80 87 88 89 8a 8b 8c
>> 8d 8e ]
>> FSN: 49 FIB 1
>> BSN: 54 BIB 1
>>> [0] MSU
>> [ b6 b1 0f ]
>>       Network Indicator: 3 Priority: 0 User Part:
>> STD_TEST (1)
>>
>>       [ c1 ]
>>       OPC 14544 DPC 14399 SLS 0
>>       [ 3f 38 34 0e ]
>>       H0: 1 H1: 2
>> pelxsms2[ 21 ]CLI>
>>
>>
>> Please, give a hand with that.
>>
>>
>> --
>> Daniel Pizarro Bustamante
>>
>>
>>
>>      ¡Obtén la mejor experiencia en la web!<
>> Descarga gratis el nuevo Internet Explorer 8. http://downloads.yahoo.com/ieak8/?l=e1
>>
>>
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>>
>>
>> -----Adjunto en línea a continuación-----
>>
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> 
> 
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> 
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