[asterisk-ss7] ss7_called_nai=dynamic parsing bug or config mistake?

[peterpet]

Hi,
try to set subscriberprefix option before nationalprefix.

Regards,
Peter Petrov

On 01/12/2011 12:51 PM, Vahan Yerkanian wrote:
> Hi,
>
> Calls to national NAI numbers are working OK, but when I try to call a 
> number with a subscriber NAI,
> subscriberprefix gets replaced with nationalprefix...
>
> chan_dahdi.conf excerpt:
>
> ss7type=itu
> ss7_called_nai=dynamic
> ss7_calling_nai=national
> ss7_internationalprefix=00
> ss7_nationalprefix=0
> ss7_networkroutedprefix=N
> ss7_unknownprefix=U
> ss7_subscriberprefix=S
>
> extensions.ael excerpt:
> _1XX            =>      { Dial(DAHDI/g2/S${EXTEN},60); Hangup; }
>
> CLI debug:
>     -- Executing [110 at Network:6] Dial("SIP/sip-00000001", 
> "DAHDI/g2/S110,60") in new stack
>     -- Called g2/S110
> Len = 33 [ 82 83 1e c5 c9 81 52 20 62 00 01 00 60 01 0a 00 02 07 05 81 
> 10 10 01 0f 0a 06 01 13 06 72 20 72 00 ]
> FSN: 3 FIB 1
> BSN: 2 BIB 1
> >[0] MSU
> [ 82 83 1e ]
>         Network Indicator: 3 Priority: 0 User Part: ISUP (5)
>         [ c5 ]
>         OPC 330 DPC 457 SLS 2
>         [ c9 81 52 20 ]
>                 CIC: 98
>                 [ 62 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 ]
>                 Transmission Medium Requirements:
>                         Speech (0)
>                         [ 00 ]
>                 --VARIABLE LENGTH PARMS[1]--
>                 Called Party Number:
>                         Nature of address: 1
>                         NI: 0
>                         Numbering plan: 1
>                         Address signals: 0110#
>                         [ 05 81 10 10 01 0f ]
>                 --OPTIONAL PARMS--
>                 Calling Party Number:
>                         Nature of address: 1
>                         NI: 0
>                         Numbering plan: 1
>                         Presentation: 0
>                         Screening: 3
>                         Address signals: 60270227
>                         [ 0a 06 01 13 06 72 20 72 ]
>
> Len = 3 [ 82 83 00 ]
> FSN: 3 FIB 1
> BSN: 2 BIB 1
> >[0] FISU
>
> Len = 16 [ 83 83 0d c5 4a 41 72 20 62 00 0c 02 00 02 8a 81 ]
> FSN: 3 FIB 1
> BSN: 3 BIB 1
> <[0] MSU
> [ 83 83 0d ]
>         Network Indicator: 3 Priority: 0 User Part: ISUP (5)
>         [ c5 ]
>         OPC 457 DPC 330 SLS 2
>         [ 4a 41 72 20 ]
>                 [ 62 00 ]
>                 Message Type: REL
>                 [ 0c ]
>                 --VARIABLE LENGTH PARMS[1]--
>                 Cause Indicator:
>                         Coding Standard: 0
>                         Location: 10
>                         Cause Class: 0
>                         Cause Subclass: 1
>                         Cause: Unallocated (unassigned) number (1)
>                         [ 02 8a 81 ]
>
> Len = 12 [ 83 84 09 c5 c9 81 52 20 62 00 10 00 ]
> FSN: 4 FIB 1
> BSN: 3 BIB 1
> >[0] MSU
> [ 83 84 09 ]
>         Network Indicator: 3 Priority: 0 User Part: ISUP (5)
>         [ c5 ]
>         OPC 330 DPC 457 SLS 2
>         [ c9 81 52 20 ]
>                 CIC: 98
>                 [ 62 00 ]
>                 Message Type: RLC
>                 [ 10 ]
>
>     -- Hungup 'DAHDI/95-1'
>
>
> Notice that S110 gets replaced with 0110:
>
>                 Called Party Number:
>                         Nature of address: 1
>                         NI: 0
>                         Numbering plan: 1
>                         Address signals: 0110#
>                         [ 05 81 10 10 01 0f ]
>
> I've also tried replacing ss7_calling_nai=national with dynamic, but
>
> Am I doing something wrong not noticing something obvious or is it a 
> bug in the dynamic nai parsing function?
>
> Thanks in advance for your time,
> Kind regards,
> Vahan
>
>
>
>
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