dnsmasq-
Recursion: enabled

HTTP/1.0 200 OK
Content-type: text/html;charset=GB2312

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            c3:8b:fe:db:3d:b1:16:70
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=CN, ST=GuangDong, L=ShenZhen, O=AZRoad, OU=Develop, CN=AZRoad CA/emailAddress=master@azroad.com
        Validity
            Not Before: Mar 17 03:25:05 2021 GMT
            Not After : Feb 21 03:25:05 2121 GMT
        Subject: C=CN, ST=GuangDong, L=ShenZhen, O=AZRoad, OU=Develop, CN=route.azroad/emailAddress=master@azroad.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d4:a4:09:86:e8:84:d8:eb:28:0e:37:1a:12:42:
                    d4:a1:cb:0d:85:06:ce:94:17:a2:fa:c7:0e:fa:93:
                    cb:c0:d2:67:2a:b2:04:93:e4:31:db:0f:62:8b:7b:
                    28:51:72:73:d5:2e:7e:53:37:25:67:12:7b:e5:07:
                    3a:c1:5d:6e:e1:79:b9:39:77:e0:41:fd:93:9d:cb:
                    4f:44:b6:5c:76:9d:fc:ba:75:f7:75:e6:58:93:6f:
                    d4:a8:ed:23:e3:50:b5:28:2e:52:75:6c:7e:4c:f4:
                    a2:a8:39:2e:9d:f7:39:62:12:3c:dd:3c:46:bc:3d:
                    e6:28:12:bd:13:f0:3b:fc:22:2e:6a:7a:ec:60:7a:
                    9e:74:9f:0a:c1:aa:41:8c:64:63:4e:16:75:c0:47:
                    ac:59:e7:df:ea:df:11:3e:34:bc:c7:74:a0:b2:ce:
                    21:ca:28:ec:2a:c2:c7:7a:ab:b5:ae:ec:62:8a:1e:
                    93:07:49:a6:8f:a9:69:7e:e4:7b:b8:17:52:52:b8:
                    7e:bf:fe:d4:e8:56:9c:40:1c:7c:d7:c1:09:aa:27:
                    14:98:ef:80:c4:f4:39:36:5c:f6:f9:51:74:bd:b1:
                    fb:ae:7b:8b:0a:4d:8e:f2:39:b7:d1:d0:b6:48:0f:
                    a5:df:90:69:38:fe:94:97:01:84:44:af:46:b7:62:
                    2a:93
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Authority Key Identifier: 
                CA:27:FA:D2:05:EE:64:87:81:A9:A1:5C:B2:22:F2:E3:CB:6C:E9:2F
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Subject Alternative Name: 
                IP Address:192.168.1.1, DNS:azroad.com, DNS:route.azroad
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Subject Key Identifier: 
                EC:DF:BC:32:22:2F:87:CE:60:02:EA:E8:68:0C:CF:B0:49:E7:9F:06
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        e2:a0:ee:13:d0:12:ba:88:ac:8d:20:83:d2:34:a9:1d:76:18:
        76:67:4c:ff:64:1e:07:9a:e2:a0:ec:09:0d:29:08:05:3b:09:
        c0:78:e8:90:5e:99:8d:13:00:29:3a:02:d9:bf:bf:fa:d1:62:
        46:f5:28:d5:ca:0d:d6:6d:7a:32:a1:c7:77:2d:70:e0:cd:ff:
        dd:8c:24:63:1b:e1:0f:fd:11:55:3d:53:65:93:4d:4e:c2:ae:
        b8:10:9b:f1:27:44:c6:25:5f:bd:c6:75:7f:a5:9f:28:99:03:
        04:d7:cd:68:b5:84:b4:83:e1:04:be:6c:61:3f:8b:05:d1:fd:
        c9:a9:3d:b9:f2:9f:c9:46:58:13:40:9f:c5:d7:dd:1c:e9:8e:
        8e:d6:0f:a3:d3:06:15:ee:55:be:39:1c:2b:80:20:3b:86:84:
        df:70:16:e0:f5:3a:a7:5b:b5:5c:a5:6b:48:69:2d:01:fd:4d:
        49:1b:01:1a:03:20:67:e0:e8:7e:c9:72:42:12:47:42:21:1a:
        9d:c9:be:c1:9a:85:cf:f3:a6:e1:be:16:eb:a3:1a:78:ad:ef:
        67:d2:38:8f:32:db:3a:95:d2:cc:b1:05:9a:fa:af:fe:4e:49:
        a6:70:d6:d2:e2:20:95:c4:21:65:b2:f5:35:c7:79:d8:7d:ba:
        29:f6:88:b1

SIP/2.0 200 OK
Via: SIP/2.0/UDP nm;rport=26810;received=224.75.88.104;branch=foo
Call-ID: 50000
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=foo
CSeq: 42 OPTIONS
Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, OPTIONS
Accept: application/sdp, application/simple-message-summary, message/sipfrag;version=2.0
Supported: replaces, 100rel, timer, norefersub
Allow-Events: message-summary, refer
User-Agent: TP-Link SIP Stack V1.0.0
Content-Type: application/sdp
Content-Length:   386

v=0
o=- 3945167634 3945167634 IN IP4 210.10.131.219
s=pjmedia
c=IN IP4 210.10.131.219
t=0 0
m=audio 60836 RTP/AVP 0 8 9 110 2 18 96
a=rtcp:60837 IN IP4 210.10.131.219
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/16000
a=rtpmap:110 G726-32/8000
a=rtpmap:2 G721/8000
a=rtpmap:18 G729/8000
a=sendrecv
a=ptime:0
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15