There were no auth ids available == Everyone is busy/congested at this time

Asterisk Asterisk SIP
1

pjsip.conf file configuration
; Basic UDP transport
;
[transport-udp]
type=transport
protocol=udp ;udp,tcp,tls,ws,wss,flow
bind=0.0.0.0:7061

; UDP transport behind NAT
;
[transport-udp-nat]
type=transport
protocol=udp
bind=0.0.0.0:7060
local_net=192.168.0.94/24
external_media_address=(External IP)
external_signaling_address=(External IP)

[6001]
type=endpoint
transport=transport-udp
context=from-internal
;nat=yes
disallow=all
allow=ulaw
allow=gsm
auth=6001
aors=6001

[6002]
type=endpoint
transport=transport-udp
context=from-internal
;nat=yes
disallow=all
allow=ulaw
allow=gsm
auth=6002
aors=6002

[6003]
type=endpoint
transport=transport-udp
context=from-internal
;nat=yes
disallow=all
allow=ulaw
allow=gsm
auth=6003
aors=6003

[6001]
type=auth
auth_type=userpass
password=6001
username=6001

[6002]
type=auth
auth_type=userpass
password=6002
username=6002

[6003]
type=auth
auth_type=userpass
password=6003
username=6003


extensions.conf file configuration
[from-internal]
exten => 6001,1,Dial(PJSIP/6001)
exten => 6002,1,Dial(PJSIP/6002)
exten => 6003,n,Dial(PJSIP/6003)
[Jan 25 14:35:59] ERROR[5534]: res_pjsip_outbound_authenticator_digest.c:450 digest_create_request_with_auth: Endpoint: '6002': There were no auth ids available
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Auto fallthrough, channel 'PJSIP/6001-00000014' status is 'CHANUNAVAIL'

Everything was working fine actually of sudden this started showing.

Thank you

2

6002 was called. It seemingly challenged for authentication (using pjsip set logger on would confirm this). There is no outbound authentication configured. Asterisk couldn’t authenticate. The call failed.

3

I understood the issue can you give me any guidance how to solve it or any regular troubleshoot things.

Thank you

4

Outbound authentication is configured on an endpoint using the “outbound_auth” option. Beyond that there is nothing else I can say. I can’t say why it challenged. I can’t say if that is expected.

5

6002 is what someone would normally use for a phone, and it is very unusual to have phones authenticate the PABX. I don’t it is even possible for the ones that I have used. (If you used such a phone with an ITSP, the ITSP is likely to behave the same way as Asterisk and abort the incoming all.)

6

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