> I've never seen a PRI dchannel on a T1 on a timeslot other than the > 24th. Are you sure that it's really on channel 23?
I think he meant channel 23 of channels 0~23, aka the 24th channel. -MC > > Matthew Fredrickson > > On Mar 20, 2007, at 8:54 AM, Kanelbullar wrote: > > > Thanks for your answer, Bruno. However, the configuration you provided > > is for an E1 connection and we are using a T1, having channel 23 as D > > channel. > > > > Bruno De Luca <[EMAIL PROTECTED]> escreveu:d-channel is in midle > >> > >> bchan=1-15,17-31 > >> dchan=16 > >> loadzone = it > >> defaultzone = it > >> > >> > >> > >> > >> Kanelbullar wrote:Hi guys, > >>> > >>> We are experiencing a problem with a T1 PRI connection. After trying > >>> a number of variations in the configuration files, the behavior is > >>> always the same: no B channels come up and the D channel doesn't > >>> appear to be working well. We can see there are AT&T Maintenance > >>> messages being exchanged by asterisk and the provider, CONNECT and > >>> CONNECT ACKNOWLEDGE, but that doesn't appear to be enough to bring > >>> the D and B channels properly up. Are there any messages missing? > >>> When we attempt to make a call, we can see the Q.931 SETUP message > >>> being sent. But shortly after we are getting a LAPD DISC message, > >>> which ends up originating a Q.931 DISCONNECT message, terminating > >>> the call. > >>> > >>> What could be the problem here? > >>> * Could there be any configuration issue on our side? > >>> * Does libpri provide complete support to the AT&T Maintenance > >>> protocol or could this connection be incompatible? > >>> > >>> Any help would be highly appreciated. > >>> > >>> Many thanks in advance, > >>> Paulo > >>> > >>> ---------------------------------------------------------------- > >>> PS: Configuration files, messages and pri debug snippets follow > >>> > >>> zaptel.conf > >>> ---------------- > >>> loadzone = us > >>> defaultzone=us > >>> #Span 1: TE2/0/1 "T2XXP (PCI) Card 0 Span 1" PRI_T1 > >>> span=1,0,0,esf,b8zs,crc4 > >>> bchan=1-23 > >>> dchan=24 > >>> > >>> zapata.conf > >>> ---------------- > >>> [channels] > >>> group = 0 > >>> usecallingpres = yes > >>> switchtype = national > >>> context = inbound > >>> signalling = pri_cpe > >>> usecallerid = yes > >>> channel = 1-23 > >>> > >>> messages > >>> -------------- > >>> Mar 19 15:32:23 NOTICE[3306] cdr.c: CDR logging disabled, data will > >>> be lost. > >>> Mar 19 15:32:23 WARNING[3306] pbx_ael.c: Unable to open > >>> '/etc/asterisk/extensions.ael': No such file or directory > >>> Mar 19 15:32:23 WARNING[3306] pbx.c: Requested contexts didn't get > >>> merged > >>> Mar 19 15:33:17 WARNING[3322] chan_zap.c: No D-channels available! > >>> Using Primary channel 24 as D-channel anyway! > >>> Mar 19 15:33:58 WARNING[3322] chan_zap.c: No D-channels available! > >>> Using Primary channel 24 as D-channel anyway! > >>> Mar 19 15:33:58 WARNING[3366] app_dial.c: Unable to forward voice > >>> [...] > >>> > >>> pri debug span > >>> ---------------------- > >>> > [ 00 01 0a 0a 03 01 00 07 01 01 c0 18 01 ac ] > >>> > Informational frame: > >>> > SAPI: 00 C/R: 0 EA: 0 > >>> > TEI: 000 EA: 1 > >>> > N(S): 005 0: 0 > >>> > N(R): 005 P: 0 > >>> > 10 bytes of data > >>> -- Restarting T203 counter > >>> Stopping T_203 timer > >>> Starting T_200 timer > >>> > Protocol Discriminator: AT&T Maintenance (3) len=10 > >>> > Call Ref: len= 1 (reference 0/0x0) (Originator) > >>> > Message type: CONNECT (7) > >>> > [01 01 c0] > >>> > IE: Change Status (len = 3) > >>> > [18 01 ac] > >>> > Channel ID (len= 3) [ Ext: 1 IntID: Implicit, PRI Spare: 0, > >>> Exclusive Dchan: 1 > >>> > ChanSel: As indicated in following octets > >>> ] > >>> (...) > >>> < [ 02 01 0a 0c 03 01 00 0f 01 01 c0 18 01 ac ] > >>> < Informational frame: > >>> < SAPI: 00 C/R: 1 EA: 0 > >>> < TEI: 000 EA: 1 > >>> < N(S): 005 0: 0 > >>> < N(R): 006 P: 0 > >>> < 10 bytes of data > >>> -- ACKing all packets from 5 to (but not including) 6 > >>> -- Since there was nothing left, stopping T200 counter > >>> -- Stopping T203 counter since we got an ACK > >>> -- Nothing left, starting T203 counter > >>> < Protocol Discriminator: AT&T Maintenance (3) len=10 > >>> < Call Ref: len= 1 (reference 0/0x0) (Originator) > >>> < Message type: CONNECT ACKNOWLEDGE (15) > >>> < [01 01 c0] > >>> < IE: Change Status (len = 3) > >>> < [18 01 ac] > >>> < Channel ID (len= 3) [ Ext: 1 IntID: Implicit, PRI Spare: 0, > >>> Exclusive Dchan: 1 > >>> < ChanSel: As indicated in following octets > >>> ] > >>> (...) > >>> > Protocol Discriminator: Q.931 (8) len=40 > >>> > Call Ref: len= 2 (reference 2/0x2) (Originator) > >>> > Message type: SETUP (5) > >>> > [04 03 80 90 a2] > >>> > Bearer Capability (len= 5) [ Ext: 1 Q.931 Std: 0 Info transfer > >>> capability: Speech (0) > >>> > Ext: 1 Trans mode/rate: 64kbps, > >>> circuit-mode (16) > >>> > Ext: 1 User information layer 1: > >>> u-Law (34) > >>> > [18 03 a9 83 82] > >>> > Channel ID (len= 5) [ Ext: 1 IntID: Implicit, PRI Spare: 0, > >>> Exclusive Dchan: 0 > >>> > ChanSel: Reserved > >>> > Ext: 1 Coding: 0 Number Specified > >>> Channel Type: 3 > >>> > Ext: 1 Channel: 2 ] > >>> > [1e 02 80 83] > >>> > Progress Indicator (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard > >>> (0) 0: 0 Location: User (0) > >>> > Ext: 1 Progress Description: > >>> Calling equipment is non-ISDN. (3) ] > >>> > [6c 06 21 80 37 31 30 30] > >>> > Calling Number (len= 8) [ Ext: 0 TON: National Number (2) NPI: > >>> ISDN/Telephony Numbering Plan (E.164/E.163) (1) > >>> > Presentation: Presentation permitted, > >>> user number not screened (0) '7100' ] > >>> > [70 0b a1 35 38 35 34 31 39 37 39 39 35] > >>> > Called Number (len=13) [ Ext: 1 TON: National Number (2) NPI: > >>> ISDN/Telephony Numbering Plan (E.164/E.163) (1) '5854197995' ] > >>> (...) > >>> < [ 02 01 53 ] > >>> < Unnumbered frame: > >>> < SAPI: 00 C/R: 1 EA: 0 > >>> < TEI: 000 EA: 1 > >>> < M3: 2 P/F: 1 M2: 0 11: 3 [ DISC (disconnect) ] > >>> < 0 bytes of data > >>> -- Got Disconnect from peer. > >>> Sending Unnumbered Acknowledgement > >>> > [ 02 01 73 ] > >>> > Unnumbered frame: > >>> > SAPI: 00 C/R: 1 EA: 0 > >>> > TEI: 000 EA: 1 > >>> > M3: 3 P/F: 1 M2: 0 11: 3 [ UA (unnumbered acknowledgement) ] > >>> > 0 bytes of data > >>> -- Restarting T203 counter > >>> > [ 00 01 00 00 08 02 00 02 45 08 02 81 90 ] > >>> > Informational frame: > >>> > SAPI: 00 C/R: 0 EA: 0 > >>> > TEI: 000 EA: 1 > >>> > N(S): 000 0: 0 > >>> > N(R): 000 P: 0 > >>> > 9 bytes of data > >>> Starting T_200 timer > >>> > Protocol Discriminator: Q.931 (8) len=9 > >>> > Call Ref: len= 2 (reference 2/0x2) (Originator) > >>> > Message type: DISCONNECT (69) > >>> > [08 02 81 90] > >>> > Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) 0: 0 > >>> Location: Private network serving the local user (1) > >>> > Ext: 1 Cause: Unknown (16), class = Normal Event > >>> (1) ] > >>> __________________________________________________ > >>> Fale com seus amigos de graça com o novo Yahoo! Messenger > >>> http://br.messenger.yahoo.com/ > >>> _______________________________________________ --Bandwidth and > >>> Colocation provided by Easynews.com -- asterisk-users mailing > >>> list To UNSUBSCRIBE or update options visit: > >>> http://lists.digium.com/mailman/listinfo/asterisk-users > >> _______________________________________________ > >> --Bandwidth and Colocation provided by Easynews.com -- > >> > >> asterisk-users mailing list > >> To UNSUBSCRIBE or update options visit: > >> http://lists.digium.com/mailman/listinfo/asterisk-users > > > > __________________________________________________ > > Fale com seus amigos de graça com o novo Yahoo! 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