Hi! just set the mtp3_timer.t21 = 1 Regards, Attila On Tue, 2013-03-26 at 11:28 +0100, Pavel Troller wrote: > Hi! > I'm new in this list, I was "invited" by Kaloyan to post there in case > of some questions or problems regarding the improved SS7 support in > chan_dahdi. > My first finding is, that now I can't bring MTP3 up. It seems, that the > MTP3 layer now relies on receiving the TRA message to proceed with > initialization. However, in our national SS7 network, these messages > are not used. Sending successful SLTM/SLTA both ways is enough to > initialize the linkset. > I'm trying to establish a direct linkset to EWSD (no STPs between). AFAIK, > EWSD with Czech national SS7 doesn't send TRA messages and doesn't require > their receipt. I know EWSD reasonably well and I don't know any method, how > to force it to send TRAs. > EWSD sees the linkset as up and tries to send GRS on ISUP, which is > refused by Asterisk, because its MTP3 is still marked as down. > > Some diagnostics: > Asterisk side: > > testomt*CLI> ss7 show linkset 1 > SS7 flags: 0x0 > SS7 linkset 1 status: Down > SS7 calling nai: -1 > SS7 called nai: -1 > SS7 nationalprefix: > SS7 internationalprefix: 00 > SS7 unknownprefix: > SS7 networkroutedprefix: > SS7 subscriberprefix: > Switch type: ITU > Our point code: 11 > SLS shift: 0 > numlinks: 1 > numsps: 1 > --------------------------------- > Adjacent SP PC: 1026 STATE: DOWN > TRA: SENT T19: not running T21: not running > Routes: > DPC State T6 T10 > Link ADJ_PC:SLC: 1026:0 NetMngSLS: 0 > State: INSERVICE, UP > STD Test: passed > Got, sent : > Inhibit: > Changeover: NO > Tx buffer: 0 > Tx queue: 0 > Retrans pos 0 > CO buffer: 0 > CB buffer: 0 > Last FSN: 122 > MTP3timers: > > EWSD side: > DISPC7LSET:LSNAM=LS.ASTDEVEL; EXEC'D > > CCS7 -- DISPLAY SIGN. ELEMENTS -- SIGNALING LINK SET > > LSNAM DPC NETIND LSNO LSK OST INH EST ALTYPE PERLTEST > ------------+-------------+------+----+---+---+---+---+--------+-------- > LS.ASTDEVEL 0- 11 NAT0 13 0 ACT NO ACT CCSLSNAC ON > > INTERRUPTION TEXT JOB 2275 > > > > CONTINUATION TEXT 0001 > > TSTCZ/AD061D1882E/GTS1632P169-3590/003 13-03-26 09:28:27 > 2275 10.2.25.1/PATR 2871/03922 > > CCS7 -- DISPLAY SIGN. ELEMENTS -- SIGNALING LINK > > LSNAM: LS.ASTDEVEL > DPC : 0- 11 NETIND: NAT0 > > LCOD LINKNO SILTNO LTYPE OST IST EST REAS > ----+------+------+-------+---+---+----+------ > 0 10 13 D64BWM ACT NOT ACT > > INTERRUPTION TEXT JOB 2275 > > > > CONTINUATION TEXT 0002 > > TSTCZ/AD061D1882E/GTS1632P169-3590/003 13-03-26 09:28:27 > 2275 10.2.25.1/PATR 2871/01074 > > CCS7 -- DISPLAY SIGN. ELEMENTS -- ACTUAL LINKS IN SIGN. LINK SET > > LSNAM L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 L13 L14 L15 L16 > -------------------------------------------------------------------- > LS.ASTDEVEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 > > END JOB 2275 > > You can see ACT under OST in the linkset display, which means "Active". > > > My Asterisk ss7 config: > usecallingpres=1 > > signalling=ss7 > ; > ; Variant of SS7 signalling: > ; Options are itu and ansi > ss7type=itu > > ; SS7 Called Nature of Address Indicator > ; > ; unknown: Unknown > ; subscriber: Subscriber > ; national: National > ; international: International > ; dynamic: Dynamically selects the appropriate dialplan > ; > ss7_called_nai=dynamic > ; > ; SS7 Calling Nature of Address Indicator > ; > ; unknown: Unknown > ; subscriber: Subscriber > ; national: National > ; international: International > ; dynamic: Dynamically selects the appropriate dialplan > ; > ss7_calling_nai=dynamic > ; > ; > ; sample 1 for Germany > ss7_internationalprefix=00 > ss7_nationalprefix= > ss7_subscriberprefix= > ss7_unknownprefix= > ; > > ; This option is used to disable automatic sending of ACM when the call is started > ; in the dialplan. If you do use this option, you will need to use the Proceeding() > ; application in the dialplan to send ACM. > ss7_explictacm=yes > > ; ============== TST CZ =============== > > ; All settings apply to linkset 1 > linkset=1 > slc=0 > > ; Point code of the linkset. For ITU, this is the decimal number > ; format of the point code. For ANSI, this can either be in decimal > ; number format or in the xxx-xxx-xxx format > pointcode=11 > > ; Point code of node adjacent to this signalling link (Possibly the STP between you and > ; your destination). Point code format follows the same rules as above. > adjpointcode=1026 > > ; Default point code that you would like to assign to outgoing messages (in case of > ; routing through STPs, or using A links). Point code format follows the same rules > ; as above. > defaultdpc=1026 > > ; What the MTP3 network indicator bits should be set to. Choices are > ; national, national_spare, international, international_spare > networkindicator=national > > > ; First signalling channel > sigchan=1 > > group=1 > > context=from_ss7 > > faxdetect=no > > ; Begin CIC (Circuit indication codes) count with this number > cicbeginswith=2 > ; Channels to associate with CICs on this linkset > channel=2-5 > > setvar=FAXOPT(gateway)=yes > > Thank you for the patience while reading this. > With regards, > Pavel > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7
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