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

[Vahan Yerkanian]

On 1/12/11 8:21 PM, peterpet wrote:
> Replace yours with this and try...
chan_dahdi.conf:

ss7_called_nai=dynamic
ss7_calling_nai=national
ss7_nationalprefix=0
ss7_internationalprefix=00
ss7_networkroutedprefix=iwillnotusethisnai
ss7_unknownprefix=iwillnotusethisnai
ss7_subscriberprefix=1

extensions.ael:

_010NXXXXX => { Dial(DAHDI/g2/${EXTEN},60); Hangup; }
_1XX             => { Dial(DAHDI/g2/${EXTEN},60); Hangup; }

debug:

     -- Executing [109 at Network:6] Dial("SIP/sip-00000000", 
"DAHDI/g2/109,60") in new stack
     -- Called g2/109
Len = 32 [ 82 81 1d c5 c9 81 52 20 62 00 01 00 60 01 0a 00 02 06 04 01 
10 01 f9 0a 06 03 13 06 72 20 72 00 ]
FSN: 1 FIB 1
BSN: 2 BIB 1
 >[0] MSU
[ 82 81 1d ]
         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: 109#
                         [ 04 01 10 01 f9 ]
                 --OPTIONAL PARMS--
                 Calling Party Number:
                         Nature of address: 3
                         NI: 0
                         Numbering plan: 1
                         Presentation: 0
                         Screening: 3
                         Address signals: 60270227
                         [ 0a 06 03 13 06 72 20 72 ]

-------------

For comparison, here is the call to a national number:

     -- Executing [010524351 at Network:6] Dial("SIP/sip-00000001", 
"DAHDI/g2/010524351,60") in new stack
     -- Called g2/010524351
Len = 35 [ 86 83 20 c5 c9 81 52 20 62 00 01 00 60 01 0a 00 02 09 07 83 
10 01 25 34 15 0f 0a 06 03 13 06 72 20 72 00 ]
FSN: 3 FIB 1
BSN: 6 BIB 1
 >[0] MSU
[ 86 83 20 ]
         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: 3
                         NI: 0
                         Numbering plan: 1
                         Address signals: 10524351#
                         [ 07 83 10 01 25 34 15 0f ]
                 --OPTIONAL PARMS--
                 Calling Party Number:
                         Nature of address: 3
                         NI: 0
                         Numbering plan: 1
                         Presentation: 0
                         Screening: 3
                         Address signals: 60270227
                         [ 0a 06 03 13 06 72 20 72 ]


The 0 gets properly stripped off here, while the 1 is not stripped for 
subscriber number.