All-circuits-busy-now&pls-try-call-later, noanswer"

Hello,
I am using Sangoma A101 PCI for Freepbx 2.9 with Grandstream gxp1400 ip phone .
when i try to check incoming and outgoing calls it is showing "all circuits busy now and pls try call later"
through the day i was troubleshoot but no solution found.
i have 1 PRI from Airtel ,india(ncr4 enabled)

output
[[email protected] ~]# asterisk -vvvvvvvvvvvr
Asterisk 11.6.0, Copyright © 1999 - 2013 Digium, Inc. and others.
Created by Mark Spencer [email protected]
Asterisk comes with ABSOLUTELY NO WARRANTY; type ‘core show warranty’ for details.
This is free software, with components licensed under the GNU General Public
License version 2 and other licenses; you are welcome to redistribute it under
certain conditions. Type ‘core show license’ for details.

Connected to Asterisk 11.6.0 currently running on BLRBSGPBX (pid = 20541)
== Using SIP RTP TOS bits 184
== Using SIP RTP CoS mark 5
– Executing [[email protected]:1] Macro(“SIP/39877-00000000”, “user-callerid,LIMIT,”) in new stack
– Executing [[email protected]:1] Set(“SIP/39877-00000000”, “AMPUSER=39877”) in new stack
– Executing [[email protected]:2] GotoIf(“SIP/39877-00000000”, “0?report”) in new stack
– Executing [[email protected]:3] ExecIf(“SIP/39877-00000000”, “1?Set(REALCALLERIDNUM=39877)”) in new stack
– Executing [[email protected]:4] Set(“SIP/39877-00000000”, “AMPUSER=39877”) in new stack
– Executing [[email protected]:5] Set(“SIP/39877-00000000”, “AMPUSERCIDNAME=Syed Wasi”) in new stack
– Executing [[email protected]:6] GotoIf(“SIP/39877-00000000”, “0?report”) in new stack
– Executing [[email protected]:7] Set(“SIP/39877-00000000”, “AMPUSERCID=39877”) in new stack
– Executing [[email protected]:8] Set(“SIP/39877-00000000”, “CALLERID(all)=“Syed Wasi” <39877>”) in new stack
– Executing [[email protected]:9] GotoIf(“SIP/39877-00000000”, “0?limit”) in new stack
– Executing [[email protected]:10] ExecIf(“SIP/39877-00000000”, “1?Set(GROUP(concurrency_limit)=39877)”) in new stack
– Executing [[email protected]:11] ExecIf(“SIP/39877-00000000”, “0?Set(CHANNEL(language)=)”) in new stack
– Executing [[email protected]:12] GotoIf(“SIP/39877-00000000”, “1?continue”) in new stack
– Goto (macro-user-callerid,s,25)
– Executing [[email protected]:25] Set(“SIP/39877-00000000”, “CALLERID(number)=39877”) in new stack
– Executing [[email protected]:26] Set(“SIP/39877-00000000”, “CALLERID(name)=Syed Wasi”) in new stack
– Executing [[email protected]:27] Set(“SIP/39877-00000000”, “CHANNEL(language)=en”) in new stack
– Executing [[email protected]:2] Set(“SIP/39877-00000000”, “MOHCLASS=default”) in new stack
– Executing [[email protected]:3] Set(“SIP/39877-00000000”, “_NODEST=”) in new stack
– Executing [[email protected]:4] Macro(“SIP/39877-00000000”, “record-enable,39877,OUT,”) in new stack
– Executing [[email protected]:1] GotoIf(“SIP/39877-00000000”, “1?check”) in new stack
– Goto (macro-record-enable,s,4)
– Executing [[email protected]:4] ExecIf(“SIP/39877-00000000”, “0?MacroExit()”) in new stack
– Executing [[email protected]:5] GotoIf(“SIP/39877-00000000”, “0?Group:OUT”) in new stack
– Goto (macro-record-enable,s,15)
– Executing [[email protected]:15] GotoIf(“SIP/39877-00000000”, “0?IN”) in new stack
– Executing [[email protected]:16] ExecIf(“SIP/39877-00000000”, “1?MacroExit()”) in new stack
– Executing [[email protected]:5] Macro(“SIP/39877-00000000”, “dialout-trunk,1,9900039877,”) in new stack
– Executing [[email protected]:1] Set(“SIP/39877-00000000”, “DIAL_TRUNK=1”) in new stack
– Executing [[email protected]:2] GosubIf(“SIP/39877-00000000”, “0?sub-pincheck,s,1”) in new stack
– Executing [[email protected]:3] GotoIf(“SIP/39877-00000000”, “0?disabletrunk,1”) in new stack
– Executing [[email protected]:4] Set(“SIP/39877-00000000”, “DIAL_NUMBER=9900039877”) in new stack
– Executing [[email protected]:5] Set(“SIP/39877-00000000”, “DIAL_TRUNK_OPTIONS=tr”) in new stack
– Executing [[email protected]:6] Set(“SIP/39877-00000000”, “OUTBOUND_GROUP=OUT_1”) in new stack
– Executing [[email protected]:7] GotoIf(“SIP/39877-00000000”, “1?nomax”) in new stack
– Goto (macro-dialout-trunk,s,9)
– Executing [[email protected]:9] GotoIf(“SIP/39877-00000000”, “0?skipoutcid”) in new stack
– Executing [[email protected]:10] Set(“SIP/39877-00000000”, “DIAL_TRUNK_OPTIONS=”) in new stack
– Executing [[email protected]:11] Macro(“SIP/39877-00000000”, “outbound-callerid,1”) in new stack
– Executing [[email protected]:1] ExecIf(“SIP/39877-00000000”, “0?Set(CALLERPRES()=)”) in new stack
– Executing [[email protected]:2] ExecIf(“SIP/39877-00000000”, “0?Set(REALCALLERIDNUM=39877)”) in new stack
– Executing [[email protected]:3] GotoIf(“SIP/39877-00000000”, “1?normcid”) in new stack
– Goto (macro-outbound-callerid,s,6)
– Executing [[email protected]:6] Set(“SIP/39877-00000000”, “USEROUTCID=8049619853”) in new stack
– Executing [[email protected]:7] Set(“SIP/39877-00000000”, “EMERGENCYCID=”) in new stack
– Executing [[email protected]:8] Set(“SIP/39877-00000000”, “TRUNKOUTCID=”) in new stack
– Executing [[email protected]:9] GotoIf(“SIP/39877-00000000”, “1?trunkcid”) in new stack
– Goto (macro-outbound-callerid,s,12)
– Executing [[email protected]:12] ExecIf(“SIP/39877-00000000”, “0?Set(CALLERID(all)=)”) in new stack
– Executing [[email protected]:13] ExecIf(“SIP/39877-00000000”, “1?Set(CALLERID(all)=8049619853)”) in new stack
– Executing [[email protected]:14] ExecIf(“SIP/39877-00000000”, “0?Set(CALLERID(all)=)”) in new stack
– Executing [[email protected]:15] ExecIf(“SIP/39877-00000000”, “0?Set(CALLERPRES()=prohib_passed_screen)”) in new stack
– Executing [[email protected]:12] GosubIf(“SIP/39877-00000000”, “1?sub-flp-1,s,1”) in new stack
– Executing [[email protected]:1] ExecIf(“SIP/39877-00000000”, “1?Set(TARGET_FLP_1=900039877)”) in new stack
– Executing [[email protected]:2] GotoIf(“SIP/39877-00000000”, “1?match”) in new stack
– Goto (sub-flp-1,s,4)
– Executing [[email protected]:4] Set(“SIP/39877-00000000”, “DIAL_NUMBER=900039877”) in new stack
– Executing [[email protected]:5] Return(“SIP/39877-00000000”, “”) in new stack
– Executing [[email protected]:13] Set(“SIP/39877-00000000”, “OUTNUM=900039877”) in new stack
– Executing [[email protected]:14] Set(“SIP/39877-00000000”, “custom=DAHDI/g1”) in new stack
– Executing [[email protected]:15] ExecIf(“SIP/39877-00000000”, “0?Set(DIAL_TRUNK_OPTIONS=M(setmusic^default))”) in new stack
– Executing [[email protected]:16] ExecIf(“SIP/39877-00000000”, “0?Set(DIAL_TRUNK_OPTIONS=M(confirm))”) in new stack
– Executing [[email protected]:17] Macro(“SIP/39877-00000000”, “dialout-trunk-predial-hook,”) in new stack
– Executing [[email protected]:1] MacroExit(“SIP/39877-00000000”, “”) in new stack
– Executing [[email protected]:18] GotoIf(“SIP/39877-00000000”, “0?bypass,1”) in new stack
– Executing [[email protected]:19] GotoIf(“SIP/39877-00000000”, “0?customtrunk”) in new stack
– Executing [[email protected]:20] Dial(“SIP/39877-00000000”, “DAHDI/g1/900039877,300,”) in new stack
== Everyone is busy/congested at this time (1:0/0/1)
– Executing [[email protected]:21] NoOp(“SIP/39877-00000000”, “Dial failed for some reason with DIALSTATUS = CHANUNAVAIL and HANGUPCAUSE = 6”) in new stack
– Executing [[email protected]:22] Goto(“SIP/39877-00000000”, “s-CHANUNAVAIL,1”) in new stack
– Goto (macro-dialout-trunk,s-CHANUNAVAIL,1)
– Executing [[email protected]:1] Set(“SIP/39877-00000000”, “RC=6”) in new stack
– Executing [[email protected]:2] Goto(“SIP/39877-00000000”, “6,1”) in new stack
– Goto (macro-dialout-trunk,6,1)
– Executing [[email protected]:1] Goto(“SIP/39877-00000000”, “continue,1”) in new stack
– Goto (macro-dialout-trunk,continue,1)
– Executing [[email protected]:1] GotoIf(“SIP/39877-00000000”, “1?noreport”) in new stack
– Goto (macro-dialout-trunk,continue,3)
– Executing [[email protected]:3] NoOp(“SIP/39877-00000000”, “TRUNK Dial failed due to CHANUNAVAIL HANGUPCAUSE: 6 - failing through to other trunks”) in new stack
– Executing [[email protected]:4] Set(“SIP/39877-00000000”, “CALLERID(number)=39877”) in new stack
– Executing [[email protected]:6] Macro(“SIP/39877-00000000”, “outisbusy,”) in new stack
– Executing [[email protected]:1] Progress(“SIP/39877-00000000”, “”) in new stack
– Executing [[email protected]:2] GotoIf(“SIP/39877-00000000”, “0?emergency,1”) in new stack
– Executing [[email protected]:3] GotoIf(“SIP/39877-00000000”, “0?intracompany,1”) in new stack
– Executing [[email protected]:4] Playback(“SIP/39877-00000000”, “all-circuits-busy-now&pls-try-call-later, noanswer”) in new stack
– <SIP/39877-00000000> Playing ‘all-circuits-busy-now.gsm’ (language ‘en’)
> 0x2b68c439cb20 – Probation passed - setting RTP source address to 192.168.10.76:5004
– <SIP/39877-00000000> Playing ‘pls-try-call-later.gsm’ (language ‘en’)
– Executing [[email protected]:5] Congestion(“SIP/39877-00000000”, “20”) in new stack
== Spawn extension (macro-outisbusy, s, 5) exited non-zero on ‘SIP/39877-00000000’ in macro ‘outisbusy’
== Spawn extension (from-internal, 99900039877, 6) exited non-zero on ‘SIP/39877-00000000’
– Executing [[email protected]:1] Hangup(“SIP/39877-00000000”, “”) in new stack
== Spawn extension (from-internal, h, 1) exited non-zero on ‘SIP/39877-00000000’

could anybody trace solution.

Regds
Wasi

Right is black and white that DAHDI group either has not channels or the carrier did not like the numer.

what is the next step to troubleshoot…