SIP/2.0 403 Forbidden in openhab call

Asterisk Asterisk SIP
1

I have a doorbird doorbell with SIP enabled. asterisk is configured to route calls to the doorbird.

I can call the doorbird from the notebook using zoiper. that works.

I have also setup an openhab sipclient. the sip client requires a websocket and I have configured a webrtc endpoint in asterisk. Calling from openhab and the sipclient does not work.

I have switched on the pjsip logger in asterisk-cli

when calling from openhab I get the message “SIP/2.0 403 Forbidden” and “Hangupcause 21” and “Everyone is busy/congested at this time (1:0/0/1)”

here is the logging output from asterisk-cli


    -- Executing [6001@internal:1] NoOp("PJSIP/webrtc_client-00000022", "Call Doorbird") in new stack
    -- Executing [6001@internal:2] Dial("PJSIP/webrtc_client-00000022", "PJSIP/doorbird,20") in new stack
<--- Transmitting SIP request (945 bytes) to UDP:192.168.2.131:5060 --->
INVITE sip:doorbird@192.168.2.131:5060;ob SIP/2.0
Via: SIP/2.0/UDP 192.168.2.209:5060;rport;branch=z9hG4bKPjf6c6e5ac-b6d6-489d-b96e-193feb22b558
From: <sip:webrtc_client@192.168.2.209>;tag=73a8ae98-c1e3-44d2-9ef3-1f9b87c4b39a
To: <sip:doorbird@192.168.2.131;ob>
Contact: <sip:asterisk@192.168.2.209:5060>
Call-ID: c383bcda-1aed-4dc5-b4b4-1c9516290175
CSeq: 4325 INVITE
Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, MESSAGE, INFO, REFER
Supported: 100rel, timer, replaces, norefersub, histinfo
Session-Expires: 1800
Min-SE: 90
Max-Forwards: 70
User-Agent: AsteriskTZ
Content-Type: application/sdp
Content-Length:   261

v=0
o=- 247690272 247690272 IN IP4 192.168.2.209
s=Asterisk
c=IN IP4 192.168.2.209
t=0 0
m=audio 11496 RTP/AVP 0 8 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=maxptime:140
a=sendrecv

    -- Called PJSIP/doorbird
<--- Received SIP response (351 bytes) from UDP:192.168.2.131:5060 --->
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.209:5060;rport=5060;received=192.168.2.209;branch=z9hG4bKPjf6c6e5ac-b6d6-489d-b96e-193feb22b558
Call-ID: c383bcda-1aed-4dc5-b4b4-1c9516290175
From: <sip:webrtc_client@192.168.2.209>;tag=73a8ae98-c1e3-44d2-9ef3-1f9b87c4b39a
To: <sip:doorbird@192.168.2.131;ob>
CSeq: 4325 INVITE
Content-Length:  0


<--- Received SIP response (395 bytes) from UDP:192.168.2.131:5060 --->
SIP/2.0 403 Forbidden
Via: SIP/2.0/UDP 192.168.2.209:5060;rport=5060;received=192.168.2.209;branch=z9hG4bKPjf6c6e5ac-b6d6-489d-b96e-193feb22b558
Call-ID: c383bcda-1aed-4dc5-b4b4-1c9516290175
From: <sip:webrtc_client@192.168.2.209>;tag=73a8ae98-c1e3-44d2-9ef3-1f9b87c4b39a
To: <sip:doorbird@192.168.2.131;ob>;tag=dd8ddb58-e404-4c75-9d86-357b9c0b9381
CSeq: 4325 INVITE
Content-Length:  0


<--- Transmitting SIP request (431 bytes) to UDP:192.168.2.131:5060 --->
ACK sip:doorbird@192.168.2.131:5060;ob SIP/2.0
Via: SIP/2.0/UDP 192.168.2.209:5060;rport;branch=z9hG4bKPjf6c6e5ac-b6d6-489d-b96e-193feb22b558
From: <sip:webrtc_client@192.168.2.209>;tag=73a8ae98-c1e3-44d2-9ef3-1f9b87c4b39a
To: <sip:doorbird@192.168.2.131;ob>;tag=dd8ddb58-e404-4c75-9d86-357b9c0b9381
Call-ID: c383bcda-1aed-4dc5-b4b4-1c9516290175
CSeq: 4325 ACK
Max-Forwards: 70
User-Agent: AsteriskTZ
Content-Length:  0


  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing [6001@internal:3] NoOp("PJSIP/webrtc_client-00000022", "Status: 21") in new stack
    -- Executing [6001@internal:4] Hangup("PJSIP/webrtc_client-00000022", "") in new stack
  == Spawn extension (internal, 6001, 4) exited non-zero on 'PJSIP/webrtc_client-00000022'
<--- Transmitting SIP response (361 bytes) to WSS:192.168.2.185:51032 --->
SIP/2.0 403 Forbidden
Via: SIP/2.0/WSS 3uo5rsnt6ljj.invalid;rport=51032;received=192.168.2.185;branch=z9hG4bK832155
Call-ID: s7dvsg0ilp4vosr1q6u6
From: <sip:webrtc_client@192.168.2.209>;tag=fo6ptae3te
To: <sip:6001@192.168.2.209>;tag=3c75afa6-3376-470c-aff5-fdcf14f0e383
CSeq: 6293 INVITE
Server: AsteriskTZ
Reason: Q.850;cause=21
Content-Length:  0

My dialplan (doorbird is 6001)

exten => 6001,1,NoOp(Call Doorbird)
same =>  n,Dial(PJSIP/doorbird,20)
same =>  n,NoOp(Status: ${HANGUPCAUSE})
same =>  n,Hangup()

this is my pjsip.conf for the webrtc user

[webrtc_client]
type=aor
max_contacts=5
remove_existing=yes
;contact=sip:webrtc_user@dynamic

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

[webrtc_client]
type=endpoint
aors=webrtc_client
auth=webrtc_client
dtls_auto_generate_cert=yes
webrtc=yes
;transport=transport-wss
context=internal
disallow=all
allow=ulaw,opus

I’m very shure that I have the correct username/passwords in my openhab-client. What can be the problem ?

2

The 403 is coming from the doorbird, so isolating the difference between the working and non-working case would be needed. You haven’t provided the working case so we can’t compare.

3

The doorbird has rejected the call. That’s a doorbird issue, not an Asterisk one.

4

ok solved. The doorbird did not have my endpoint as allowed user. Changed this and now calling the doorbird works

Thanks

5

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