I am facing the issue bellow and I have no clues to fix it.
I am trying to call the number 15998444557 from SIP 1532386920. Please, what is wrong on my configuration files?
MFC/R2 call offered on chan 2. ANI = 1532, DNIS = 02115998444557, Category = National Subscriber
[Jan 1 05:38:55] DEBUG[695]: chan_dahdi.c:4042 dahdi_r2_accept_call: Accepting MFC/R2 call with charge on chan 2
MFC/R2 call has been accepted on backward channel 2
– Executing [02115998444557@from-e1:1] NoOp(“DAHDI/2-1”, “”) in new stack
– Executing [02115998444557@from-e1:2] Dial(“DAHDI/2-1”, “SIP/02115998444557@User1”) in new stack
– Called SIP/02115998444557@User1
[Jan 1 05:38:56] NOTICE[692]: chan_sip.c:21095 handle_response_invite: Failed to authenticate on INVITE to ‘“1532” sip:1532@100.71.223.5:5080;tag=as086be738’
– SIP/User1-00000030 is circuit-busy
== Everyone is busy/congested at this time (1:0/1/0)
– Auto fallthrough, channel ‘DAHDI/2-1’ status is ‘CONGESTION’
[Jan 1 05:39:01] DEBUG[2300]: chan_dahdi.c:8325 dahdi_handle_event: bits changed in chan 2
MFC/R2 call disconnected on channel 2
[Jan 1 05:39:01] DEBUG[2300]: chan_dahdi.c:6632 dahdi_hangup: disconnecting MFC/R2 call on chan 2
[Jan 1 05:39:01] DEBUG[2300]: chan_dahdi.c:6284 dahdi_ast_cause_to_r2_cause: ast cause 16 resulted in openr2 cause 6/Normal Clearing
MFC/R2 call end on channel 2
-sh-4.0# cat extensions.conf
[general]
static=yes
writeprotect=no
autofallthrough=yes
clearglobalvars=no
priorityjumping=no
[globals]
[from-e1]
exten => _X.,1,Noop()
exten => _X.,n,Dial(SIP/${EXTEN}@User1)
[from-sip]
exten => _X.,1,Noop()
exten => _X.,n,Dial(DAHDI/r0/${EXTEN})
-sh-4.0# cat sip.conf
[general]
context=from-sip
disallow=all
allowguest=no
srvlookup=yes
bindaddr=0.0.0.0
engine=comcerto
t38pt_udptl=yes,redundancy
useragent=Aligera AG561
bindport=5080
tos_sip=0
defaultexpiry=90
jbenable=yes
jbmaxsize=200
jbimpl=fixed
t1min=100
timert1=500
timerb=32000
rtptimeout=60
rtpholdtimeout=300
rtpkeepalive=60
session-timers=originate
session-refresher=uas
autoframing=no
use183as180=no
directrtpsetup=no
[User1]
#include sip_account_custom-1.conf
type=friend
host=177.53.130.66
port=5060
dtmfmode=rfc2833
nat=no
qualify=no
insecure=port,invite
transport=udp
setvar=FAXOPT(gateway)=yes
disallow=all
allow=ulaw:20
allow=alaw:20