[asterisk-bugs] [JIRA] (ASTERISK-29004) SIP/2.0 488 Not Acceptable Here when configured with PJSIP/TLS

Jack Brain (JIRA) noreply at issues.asterisk.org
Wed Jul 22 08:20:25 CDT 2020


     [ https://issues.asterisk.org/jira/browse/ASTERISK-29004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jack Brain updated ASTERISK-29004:
----------------------------------

    Description: 
- We have build Asterisk 17.6.0 and PJSIP from the source on a VPS 
- We configured TLS, generated client and server certificate
- Registered the Blink client for testing, success
- While making a call from Blink_1 to Blink_2 or vice-versa, it fails with an error

{code} 
<--- Received SIP request (1021 bytes) from TLS:43.249.37.23:54700 --->
INVITE sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>
Contact: <sip:80631759 at 192.168.75.143:49453;transport=tls>
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16687 INVITE
Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER
Supported: replaces, norefersub, gruu
User-Agent: Blink 3.2.0 (Windows)
Content-Type: application/sdp
Content-Length:   429

v=0
o=- 3804383127 3804383127 IN IP4 192.168.75.143
s=Blink 3.2.0 (Windows)
t=0 0
m=audio 50048 RTP/AVP 113 9 0 8 101
c=IN IP4 192.168.75.143
a=rtcp:50049
a=rtpmap:113 opus/48000/2
a=fmtp:113 useinbandfec=1
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=zrtp-hash:1.10 6171448735d90ecf08cf6a7fefedf5369e0c4b0825c13d3b30741d5182bdff7f
a=sendrecv

<--- Transmitting SIP response (566 bytes) to TLS:43.249.37.23:54700 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c
CSeq: 16687 INVITE
WWW-Authenticate: Digest realm="asterisk",nonce="1595419528/95038c7ada5d1c4091cb7649c149cd06",opaque="5a2d21b867e7b7d7",algorithm=md5,qop="auth"
Server: Asterisk PBX 17.6.0
Content-Length:  0


<--- Received SIP request (423 bytes) from TLS:43.249.37.23:54700 --->
ACK sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16687 ACK
User-Agent: Blink 3.2.0 (Windows)
Content-Length:  0


<--- Received SIP request (1314 bytes) from TLS:43.249.37.23:54700 --->
INVITE sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>
Contact: <sip:80631759 at 192.168.75.143:49453;transport=tls>
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16688 INVITE
Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER
Supported: replaces, norefersub, gruu
User-Agent: Blink 3.2.0 (Windows)
Authorization: Digest username="1111", realm="asterisk", nonce="1595419528/95038c7ada5d1c4091cb7649c149cd06", uri="sip:2222 at 94.140.114.51", response="7b6971ff7f3d73d8cb888640056d6e3e", algorithm=md5, cnonce="5bacef95a6f243e19c4cfc0b41ebb5c9", opaque="5a2d21b867e7b7d7", qop=auth, nc=00000001
Content-Type: application/sdp
Content-Length:   429

v=0
o=- 3804383127 3804383127 IN IP4 192.168.75.143
s=Blink 3.2.0 (Windows)
t=0 0
m=audio 50048 RTP/AVP 113 9 0 8 101
c=IN IP4 192.168.75.143
a=rtcp:50049
a=rtpmap:113 opus/48000/2
a=fmtp:113 useinbandfec=1
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=zrtp-hash:1.10 6171448735d90ecf08cf6a7fefedf5369e0c4b0825c13d3b30741d5182bdff7f
a=sendrecv

  == Setting global variable 'SIPDOMAIN' to '94.140.114.51'
<--- Transmitting SIP response (368 bytes) to TLS:43.249.37.23:54700 --->
SIP/2.0 100 Trying
Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>
CSeq: 16688 INVITE
Server: Asterisk PBX 17.6.0
Content-Length:  0


<--- Transmitting SIP response (422 bytes) to TLS:43.249.37.23:54700 --->
SIP/2.0 488 Not Acceptable Here
Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=a7cdfce3-d8be-42b1-b0db-47e437493be3
CSeq: 16688 INVITE
Server: Asterisk PBX 17.6.0
Content-Length:  0


<--- Received SIP request (418 bytes) from TLS:43.249.37.23:54700 --->
ACK sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=a7cdfce3-d8be-42b1-b0db-47e437493be3
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16688 ACK
User-Agent: Blink 3.2.0 (Windows)
Content-Length:  0
{code}

- pjsip.conf:

{code}
[default]
type=transport
protocol=tls
bind=94.140.114.51:5061
cert_file=/etc/asterisk/keys/asterisk.crt
priv_key_file=/etc/asterisk/keys/asterisk.key
method=tlsv1

[1111]
type=aor
max_contacts=1
remove_existing=yes

[1111]
type=auth
auth_type=userpass
username=1111
password=1111

[1111]
type=endpoint
aors=1111
auth=1111
context=default
disallow=all
allow=GSM
allow=ulaw
allow=g726
allow=g729
allow=speex
allow=g722
allow=iLBC
dtmf_mode=rfc4733
media_encryption=sdes

[2222]
type=aor
max_contacts=1
remove_existing=yes

[2222]
type=auth
auth_type=userpass
username=2222
password=2222

[2222]
type=endpoint
aors=2222
auth=2222
context=default
disallow=all
allow=GSM
allow=ulaw
allow=g726
allow=g729
allow=speex
allow=g722
allow=iLBC
dtmf_mode=rfc4733
media_encryption=sdes

[3333]
type=aor
max_contacts=1
remove_existing=yes

[3333]
type=auth
auth_type=userpass
username=3333
password=3333

[3333]
type=endpoint
aors=3333
auth=3333
context=default
disallow=all
allow=gsm
allow=ulaw
allow=g726
allow=g729
dtmf_mode=rfc4733
media_encryption=sdes
{code}

- extensions.conf

{code}
[general]
static=yes
writeprotect=no
priorityjumping=no
autofallthrough=yes
clearglobalvars=no

;[local]
;exten=>1111,1,Dial(PJSIP/1111,20)
;exten=>2222,1,Dial(PJSIP/2222,20)
;exten=>3333,1,Dial(PJSIP/3333,20)

[default]
exten => 1111,1,Dial(PJSIP/1111,20)
exten => 2222,1,Dial(PJSIP/2222,20)
exten => 3333,1,Dial(PJSIP/3333,20)
{code}

  was:
- We have build Asterisk 17.6.0 and PJSIP from the source on a VPS 
- We configured TLS, generated client and server certificate
- Registered the Blink client for testing, success
- While making a call from Blink_1 to Blink_2 or vice-versa, it fails with an error

{code} 
<--- Received SIP request (1021 bytes) from TLS:43.249.37.23:54700 --->
INVITE sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>
Contact: <sip:80631759 at 192.168.75.143:49453;transport=tls>
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16687 INVITE
Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER
Supported: replaces, norefersub, gruu
User-Agent: Blink 3.2.0 (Windows)
Content-Type: application/sdp
Content-Length:   429

v=0
o=- 3804383127 3804383127 IN IP4 192.168.75.143
s=Blink 3.2.0 (Windows)
t=0 0
m=audio 50048 RTP/AVP 113 9 0 8 101
c=IN IP4 192.168.75.143
a=rtcp:50049
a=rtpmap:113 opus/48000/2
a=fmtp:113 useinbandfec=1
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=zrtp-hash:1.10 6171448735d90ecf08cf6a7fefedf5369e0c4b0825c13d3b30741d5182bdff7f
a=sendrecv

<--- Transmitting SIP response (566 bytes) to TLS:43.249.37.23:54700 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c
CSeq: 16687 INVITE
WWW-Authenticate: Digest realm="asterisk",nonce="1595419528/95038c7ada5d1c4091cb7649c149cd06",opaque="5a2d21b867e7b7d7",algorithm=md5,qop="auth"
Server: Asterisk PBX 17.6.0
Content-Length:  0


<--- Received SIP request (423 bytes) from TLS:43.249.37.23:54700 --->
ACK sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16687 ACK
User-Agent: Blink 3.2.0 (Windows)
Content-Length:  0


<--- Received SIP request (1314 bytes) from TLS:43.249.37.23:54700 --->
INVITE sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>
Contact: <sip:80631759 at 192.168.75.143:49453;transport=tls>
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16688 INVITE
Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER
Supported: replaces, norefersub, gruu
User-Agent: Blink 3.2.0 (Windows)
Authorization: Digest username="1111", realm="asterisk", nonce="1595419528/95038c7ada5d1c4091cb7649c149cd06", uri="sip:2222 at 94.140.114.51", response="7b6971ff7f3d73d8cb888640056d6e3e", algorithm=md5, cnonce="5bacef95a6f243e19c4cfc0b41ebb5c9", opaque="5a2d21b867e7b7d7", qop=auth, nc=00000001
Content-Type: application/sdp
Content-Length:   429

v=0
o=- 3804383127 3804383127 IN IP4 192.168.75.143
s=Blink 3.2.0 (Windows)
t=0 0
m=audio 50048 RTP/AVP 113 9 0 8 101
c=IN IP4 192.168.75.143
a=rtcp:50049
a=rtpmap:113 opus/48000/2
a=fmtp:113 useinbandfec=1
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=zrtp-hash:1.10 6171448735d90ecf08cf6a7fefedf5369e0c4b0825c13d3b30741d5182bdff7f
a=sendrecv

  == Setting global variable 'SIPDOMAIN' to '94.140.114.51'
<--- Transmitting SIP response (368 bytes) to TLS:43.249.37.23:54700 --->
SIP/2.0 100 Trying
Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>
CSeq: 16688 INVITE
Server: Asterisk PBX 17.6.0
Content-Length:  0


<--- Transmitting SIP response (422 bytes) to TLS:43.249.37.23:54700 --->
SIP/2.0 488 Not Acceptable Here
Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=a7cdfce3-d8be-42b1-b0db-47e437493be3
CSeq: 16688 INVITE
Server: Asterisk PBX 17.6.0
Content-Length:  0


<--- Received SIP request (418 bytes) from TLS:43.249.37.23:54700 --->
ACK sip:2222 at 94.140.114.51 SIP/2.0
Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
Max-Forwards: 70
From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
To: <sip:2222 at 94.140.114.51>;tag=a7cdfce3-d8be-42b1-b0db-47e437493be3
Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
CSeq: 16688 ACK
User-Agent: Blink 3.2.0 (Windows)
Content-Length:  0
{code}

- pjsip.conf:

{code}
endpoint
aors=2222
auth=2222
context=default
disallow=all
allow=GSM
allow=ulaw
allow=g726
allow=g729
allow=speex
allow=g722
allow=iLBC
dtmf_mode=rfc4733
media_encryption=sdes

[3333]
type=aor
max_contacts=1
remove_existing=yes

[3333]
type=auth
auth_type=userpass
username=3333
password=3333

[3333]
type=endpoint
aors=3333
auth=3333
context=default
disallow=all
allow=gsm
allow=ulaw
allow=g726
allow=g729
dtmf_mode=rfc4733
media_encryption=sdes
{code}

- extensions.conf

{code}
[general]
static=yes
writeprotect=no
priorityjumping=no
autofallthrough=yes
clearglobalvars=no

;[local]
;exten=>1111,1,Dial(PJSIP/1111,20)
;exten=>2222,1,Dial(PJSIP/2222,20)
;exten=>3333,1,Dial(PJSIP/3333,20)

[default]
exten => 1111,1,Dial(PJSIP/1111,20)
exten => 2222,1,Dial(PJSIP/2222,20)
exten => 3333,1,Dial(PJSIP/3333,20)
{code}


> SIP/2.0 488 Not Acceptable Here when configured with PJSIP/TLS 
> ---------------------------------------------------------------
>
>                 Key: ASTERISK-29004
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29004
>             Project: Asterisk
>          Issue Type: Information Request
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 17.6.0
>         Environment: Operating System: Kali GNU/Linux Rolling
> Kernel: Linux 4.4.0-186-generic
> Architecture: x86-64
> Asterisk: 17.6.0
>            Reporter: Jack Brain
>
> - We have build Asterisk 17.6.0 and PJSIP from the source on a VPS 
> - We configured TLS, generated client and server certificate
> - Registered the Blink client for testing, success
> - While making a call from Blink_1 to Blink_2 or vice-versa, it fails with an error
> {code} 
> <--- Received SIP request (1021 bytes) from TLS:43.249.37.23:54700 --->
> INVITE sip:2222 at 94.140.114.51 SIP/2.0
> Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
> Max-Forwards: 70
> From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
> To: <sip:2222 at 94.140.114.51>
> Contact: <sip:80631759 at 192.168.75.143:49453;transport=tls>
> Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
> CSeq: 16687 INVITE
> Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER
> Supported: replaces, norefersub, gruu
> User-Agent: Blink 3.2.0 (Windows)
> Content-Type: application/sdp
> Content-Length:   429
> v=0
> o=- 3804383127 3804383127 IN IP4 192.168.75.143
> s=Blink 3.2.0 (Windows)
> t=0 0
> m=audio 50048 RTP/AVP 113 9 0 8 101
> c=IN IP4 192.168.75.143
> a=rtcp:50049
> a=rtpmap:113 opus/48000/2
> a=fmtp:113 useinbandfec=1
> a=rtpmap:9 G722/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=zrtp-hash:1.10 6171448735d90ecf08cf6a7fefedf5369e0c4b0825c13d3b30741d5182bdff7f
> a=sendrecv
> <--- Transmitting SIP response (566 bytes) to TLS:43.249.37.23:54700 --->
> SIP/2.0 401 Unauthorized
> Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
> Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
> From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
> To: <sip:2222 at 94.140.114.51>;tag=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c
> CSeq: 16687 INVITE
> WWW-Authenticate: Digest realm="asterisk",nonce="1595419528/95038c7ada5d1c4091cb7649c149cd06",opaque="5a2d21b867e7b7d7",algorithm=md5,qop="auth"
> Server: Asterisk PBX 17.6.0
> Content-Length:  0
> <--- Received SIP request (423 bytes) from TLS:43.249.37.23:54700 --->
> ACK sip:2222 at 94.140.114.51 SIP/2.0
> Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c;alias
> Max-Forwards: 70
> From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
> To: <sip:2222 at 94.140.114.51>;tag=z9hG4bKPj28ae9d1c90c443fbac7f6021e4771d5c
> Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
> CSeq: 16687 ACK
> User-Agent: Blink 3.2.0 (Windows)
> Content-Length:  0
> <--- Received SIP request (1314 bytes) from TLS:43.249.37.23:54700 --->
> INVITE sip:2222 at 94.140.114.51 SIP/2.0
> Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
> Max-Forwards: 70
> From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
> To: <sip:2222 at 94.140.114.51>
> Contact: <sip:80631759 at 192.168.75.143:49453;transport=tls>
> Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
> CSeq: 16688 INVITE
> Allow: SUBSCRIBE, NOTIFY, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER
> Supported: replaces, norefersub, gruu
> User-Agent: Blink 3.2.0 (Windows)
> Authorization: Digest username="1111", realm="asterisk", nonce="1595419528/95038c7ada5d1c4091cb7649c149cd06", uri="sip:2222 at 94.140.114.51", response="7b6971ff7f3d73d8cb888640056d6e3e", algorithm=md5, cnonce="5bacef95a6f243e19c4cfc0b41ebb5c9", opaque="5a2d21b867e7b7d7", qop=auth, nc=00000001
> Content-Type: application/sdp
> Content-Length:   429
> v=0
> o=- 3804383127 3804383127 IN IP4 192.168.75.143
> s=Blink 3.2.0 (Windows)
> t=0 0
> m=audio 50048 RTP/AVP 113 9 0 8 101
> c=IN IP4 192.168.75.143
> a=rtcp:50049
> a=rtpmap:113 opus/48000/2
> a=fmtp:113 useinbandfec=1
> a=rtpmap:9 G722/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=zrtp-hash:1.10 6171448735d90ecf08cf6a7fefedf5369e0c4b0825c13d3b30741d5182bdff7f
> a=sendrecv
>   == Setting global variable 'SIPDOMAIN' to '94.140.114.51'
> <--- Transmitting SIP response (368 bytes) to TLS:43.249.37.23:54700 --->
> SIP/2.0 100 Trying
> Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
> Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
> From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
> To: <sip:2222 at 94.140.114.51>
> CSeq: 16688 INVITE
> Server: Asterisk PBX 17.6.0
> Content-Length:  0
> <--- Transmitting SIP response (422 bytes) to TLS:43.249.37.23:54700 --->
> SIP/2.0 488 Not Acceptable Here
> Via: SIP/2.0/TLS 192.168.75.143:49485;rport=54700;received=43.249.37.23;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
> Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
> From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
> To: <sip:2222 at 94.140.114.51>;tag=a7cdfce3-d8be-42b1-b0db-47e437493be3
> CSeq: 16688 INVITE
> Server: Asterisk PBX 17.6.0
> Content-Length:  0
> <--- Received SIP request (418 bytes) from TLS:43.249.37.23:54700 --->
> ACK sip:2222 at 94.140.114.51 SIP/2.0
> Via: SIP/2.0/TLS 192.168.75.143:49485;rport;branch=z9hG4bKPjbf7e99f726d74c4ebbbb508d7033dea9;alias
> Max-Forwards: 70
> From: "1111" <sip:1111 at 94.140.114.51>;tag=54c6492c375e44bf8a3599fe8047016f
> To: <sip:2222 at 94.140.114.51>;tag=a7cdfce3-d8be-42b1-b0db-47e437493be3
> Call-ID: 73fa29d60a5a4ea7989d2d175ea91342
> CSeq: 16688 ACK
> User-Agent: Blink 3.2.0 (Windows)
> Content-Length:  0
> {code}
> - pjsip.conf:
> {code}
> [default]
> type=transport
> protocol=tls
> bind=94.140.114.51:5061
> cert_file=/etc/asterisk/keys/asterisk.crt
> priv_key_file=/etc/asterisk/keys/asterisk.key
> method=tlsv1
> [1111]
> type=aor
> max_contacts=1
> remove_existing=yes
> [1111]
> type=auth
> auth_type=userpass
> username=1111
> password=1111
> [1111]
> type=endpoint
> aors=1111
> auth=1111
> context=default
> disallow=all
> allow=GSM
> allow=ulaw
> allow=g726
> allow=g729
> allow=speex
> allow=g722
> allow=iLBC
> dtmf_mode=rfc4733
> media_encryption=sdes
> [2222]
> type=aor
> max_contacts=1
> remove_existing=yes
> [2222]
> type=auth
> auth_type=userpass
> username=2222
> password=2222
> [2222]
> type=endpoint
> aors=2222
> auth=2222
> context=default
> disallow=all
> allow=GSM
> allow=ulaw
> allow=g726
> allow=g729
> allow=speex
> allow=g722
> allow=iLBC
> dtmf_mode=rfc4733
> media_encryption=sdes
> [3333]
> type=aor
> max_contacts=1
> remove_existing=yes
> [3333]
> type=auth
> auth_type=userpass
> username=3333
> password=3333
> [3333]
> type=endpoint
> aors=3333
> auth=3333
> context=default
> disallow=all
> allow=gsm
> allow=ulaw
> allow=g726
> allow=g729
> dtmf_mode=rfc4733
> media_encryption=sdes
> {code}
> - extensions.conf
> {code}
> [general]
> static=yes
> writeprotect=no
> priorityjumping=no
> autofallthrough=yes
> clearglobalvars=no
> ;[local]
> ;exten=>1111,1,Dial(PJSIP/1111,20)
> ;exten=>2222,1,Dial(PJSIP/2222,20)
> ;exten=>3333,1,Dial(PJSIP/3333,20)
> [default]
> exten => 1111,1,Dial(PJSIP/1111,20)
> exten => 2222,1,Dial(PJSIP/2222,20)
> exten => 3333,1,Dial(PJSIP/3333,20)
> {code}



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