消息流

一、注册：

1.1 SEND:

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-10348572;rport

From: <sip:1011@47.98.109.96:50620>;tag=529397402

To: <sip:1011@47.98.109.96:50620>

Contact: <sip:1011@192.168.1.107:62118;transport=udp>;expires=30;+g.oma.sip-im;language=”en,fr”;+g.3gpp.smsip;+g.oma.sip-im.large-message;audio;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-application.ims.iari.gsma-vs”;+g.3gpp.cs-voice

Call-ID: f7724003-7111-8ddc-deba-133107508dc6

CSeq: 1990331795 REGISTER

Content-Length: 0

Max-Forwards: 70

Authorization: Digest username=”1011”,realm=”47.98.109.96”,nonce=”“,uri=”sip:47.98.109.96”,response=””

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

P-Preferred-Identity: <sip:1011@47.98.109.96:50620>

Supported: path

###1.2 RECV:

SIP/2.0 401 Unauthorized

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-10348572;rport=28555;received=112.25.222.170

From: <sip:1011@47.98.109.96:50620>;tag=529397402

To: <sip:1011@47.98.109.96:50620>;tag=mQ2g4ev73re4e

Call-ID: f7724003-7111-8ddc-deba-133107508dc6

CSeq: 1990331795 REGISTER

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

WWW-Authenticate: Digest realm=”47.98.109.96”, nonce=”b54499e4-9083-4853-a1c4-d9b0756af9a2”, stale=true, algorithm=MD5, qop=”auth”

Content-Length: 0

### 1.3 Send:

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1433452147;rport

From: <sip:1011@47.98.109.96:50620>;tag=529397402

To: <sip:1011@47.98.109.96:50620>

Call-ID: f7724003-7111-8ddc-deba-133107508dc6

CSeq: 1990331796 REGISTER

Content-Length: 0

Max-Forwards: 70

Authorization: Digest username=”1011”,realm=”47.98.109.96”,nonce=”b54499e4-9083-4853-a1c4-d9b0756af9a2”,uri=”sip:47.98.109.96”,response=”e55ca998d27ee109798c60b2ef646ff3”,algorithm=MD5,cnonce=”b8877d7c2d75cd7c67ec9ab96d9c55ea”,qop=auth,nc=00000001

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

P-Preferred-Identity: <sip:1011@47.98.109.96:50620>

Supported: path

1.4 RECV:

SIP/2.0 200 OK

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1433452147;rport=28555;received=112.25.222.170

From: <sip:1011@47.98.109.96:50620>;tag=529397402

To: <sip:1011@47.98.109.96:50620>;tag=N0U959cB114pa

Call-ID: f7724003-7111-8ddc-deba-133107508dc6

CSeq: 1990331796 REGISTER

Contact: <sip:1011@192.168.1.107:62118;transport=udp>;expires=30

Date: Tue, 28 Aug 2018 10:14:19 GMT

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Content-Length: 0

##二、呼叫：

###2.1 SEND：

INVITE sip:1014@47.98.109.96 SIP/2.0

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1013684476;rport

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>

Contact: <sip:1011@192.168.1.107:62118;transport=udp>;+g.oma.sip-im;language=”en,fr”;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 INVITE

Content-Type: application/sdp

Content-Length: 651

Max-Forwards: 70

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

P-Preferred-Identity: <sip:1011@47.98.109.96:50620>

Supported: 100rel

v=0

o=doubango 1983 678902 IN IP4 192.168.1.107

s=-

c=IN IP4 192.168.1.107

t=0 0

a=tcap:1 RTP/AVPF

m=audio 54898 RTP/AVP 8 0 3 111 101

a=ptime:20

a=minptime:1

a=maxptime:255

a=silenceSupp:off - - - -

a=rtpmap:8 PCMA/8000/1

a=rtpmap:0 PCMU/8000/1

a=rtpmap:3 GSM/8000/1

a=rtpmap:111 opus/48000/2

a=fmtp:111 maxplaybackrate=16000; sprop-maxcapturerate=16000; stereo=0; sprop-stereo=0; useinbandfec=0; usedtx=0

a=rtpmap:101 telephone-event/8000/1

a=fmtp:101 0-16

a=pcfg:1 t=1

a=sendrecv

a=rtcp-mux

a=ssrc:3992734018 cname:(null)

a=ssrc:3992734018 mslabel:6994f7d1-6ce9-4fbd-acfd-84e5131ca2e2

a=ssrc:3992734018 label:doubango@audio

2.2 RECV:

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1013684476;rport=28555;received=112.25.222.170

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 INVITE

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Content-Length: 0

2.2 RECV:

SIP/2.0 200 OK

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1013684476;rport=28555;received=112.25.222.170

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>;tag=payU06rZ173Zr

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 INVITE

Contact: <sip:1014@47.98.109.96:50620;transport=udp>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Accept: application/sdp

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Session-Expires: 120;refresher=uas

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 266

P-Asserted-Identity: “1014” <sip:1014@47.98.109.96>

v=0

o=FreeSWITCH 1535391023 1535391024 IN IP4 47.98.109.96

s=FreeSWITCH

c=IN IP4 47.98.109.96

t=0 0

m=audio 60706 RTP/AVP 8 101

a=rtpmap:8 PCMA/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

a=rtcp-mux

a=rtcp:60706 IN IP4 47.98.109.96

2.4 SEND:

ACK sip:1014@47.98.109.96:50620;transport=udp SIP/2.0

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1533658107;rport

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>;tag=payU06rZ173Zr

Contact: <sip:1011@192.168.1.107:62118;transport=udp>;+g.oma.sip-im;language=”en,fr”;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 ACK

Content-Length: 0

Max-Forwards: 70

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

2.5 RECV

:SIP/2.0 200 OK

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1013684476;rport=28555;received=112.25.222.170

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>;tag=payU06rZ173Zr

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 INVITE

Contact: <sip:1014@47.98.109.96:50620;transport=udp>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Accept: application/sdp

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Session-Expires: 120;refresher=uas

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 266

P-Asserted-Identity: “1014” <sip:1014@47.98.109.96>

v=0

o=FreeSWITCH 1535391023 1535391024 IN IP4 47.98.109.96

s=FreeSWITCH

c=IN IP4 47.98.109.96

t=0 0

m=audio 60706 RTP/AVP 8 101

a=rtpmap:8 PCMA/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

a=rtcp-mux

a=rtcp:60706 IN IP4 47.98.109.96

2.6 SEND:

ACK sip:1014@47.98.109.96:50620;transport=udp SIP/2.0

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1237483276;rport

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>;tag=payU06rZ173Zr

Contact: <sip:1011@192.168.1.107:62118;transport=udp>;+g.oma.sip-im;language=”en,fr”;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 ACK

Content-Length: 0

Max-Forwards: 70

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

2.7 RECV:

SIP/2.0 200 OK

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-1013684476;rport=28555;received=112.25.222.170

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>;tag=payU06rZ173Zr

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 INVITE

Contact: <sip:1014@47.98.109.96:50620;transport=udp>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Accept: application/sdp

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Session-Expires: 120;refresher=uas

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 266

P-Asserted-Identity: “1014” <sip:1014@47.98.109.96>

v=0

o=FreeSWITCH 1535391023 1535391024 IN IP4 47.98.109.96

s=FreeSWITCH

c=IN IP4 47.98.109.96

t=0 0

m=audio 60706 RTP/AVP 8 101

a=rtpmap:8 PCMA/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

a=rtcp-mux

a=rtcp:60706 IN IP4 47.98.109.96

2.8 SEND:

ACK sip:1014@47.98.109.96:50620;transport=udp SIP/2.0

Via: SIP/2.0/UDP 192.168.1.107:62118;branch=z9hG4bK-377827425;rport

From: <sip:1011@47.98.109.96:50620>;tag=334081213

To: <sip:1014@47.98.109.96>;tag=payU06rZ173Zr

Contact: <sip:1011@192.168.1.107:62118;transport=udp>;+g.oma.sip-im;language=”en,fr”;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

Call-ID: dda811eb-0664-dae3-31bb-8b8e12741336

CSeq: 1740661807 ACK

Content-Length: 0

Max-Forwards: 70

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

2.9 RECV:INVITE

RECV:INVITE sip:1011@192.168.2.2:63365;transport=udp SIP/2.0

Via: SIP/2.0/UDP 47.97.174.58:50600;rport;branch=z9hG4bK013vy9H2Zcr3H

Route: <sip:1011@112.25.222.170:20732>;transport=udp

Max-Forwards: 69

From: “1010” <sip:201@172.16.99.166>;tag=F125S6v0Z12Kj

To: <sip:1011@192.168.2.2:63365;transport=udp>

Call-ID: e1504ac5-3c91-1237-fa98-00163e08c55a

CSeq: 128668588 INVITE

Contact: <sip:mod_sofia@47.97.174.58:50600>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Privacy: none

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 243

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

X-FS-Support: update_display,send_info

P-Asserted-Identity: “1010” <sip:201@172.16.99.166>

v=0

o=FreeSWITCH 1537948692 1537948693 IN IP4 47.97.174.58

s=FreeSWITCH

c=IN IP4 47.97.174.58

t=0 0

m=audio 60612 RTP/AVP 18 101

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

SEND: SIP/2.0 100 Trying (sent from the Transaction Layer)

Via: SIP/2.0/UDP 47.97.174.58:50600;rport=50600;branch=z9hG4bK013vy9H2Zcr3H

From: “1010”<sip:201@172.16.99.166>;tag=F125S6v0Z12Kj

To: <sip:1011@192.168.2.2:63365;transport=udp>

Call-ID: e1504ac5-3c91-1237-fa98-00163e08c55a

CSeq: 128668588 INVITE

Content-Length: 0

SEND: SIP/2.0 180 Ringing

Via: SIP/2.0/UDP 47.97.174.58:50600;rport=50600;branch=z9hG4bK013vy9H2Zcr3H

From: “1010”<sip:201@172.16.99.166>;tag=F125S6v0Z12Kj

To: <sip:1011@192.168.2.2:63365;transport=udp>;tag=269453516

Contact: <sip:1011@192.168.2.2:63365;transport=udp>

Call-ID: e1504ac5-3c91-1237-fa98-00163e08c55a

CSeq: 128668588 INVITE

Content-Length: 0

Allow: ACK, BYE, CANCEL, INVITE, MESSAGE, NOTIFY, OPTIONS, PRACK, REFER, UPDATE

SEND: SIP/2.0 200 OK

Via: SIP/2.0/UDP 47.97.174.58:50600;rport=50600;branch=z9hG4bK013vy9H2Zcr3H

From: “1010”<sip:201@172.16.99.166>;tag=F125S6v0Z12Kj

To: <sip:1011@192.168.2.2:63365;transport=udp>;tag=269453516

Contact: <sip:1011@192.168.2.2:63365;transport=udp>

Call-ID: e1504ac5-3c91-1237-fa98-00163e08c55a

CSeq: 128668588 INVITE

Content-Type: application/sdp

Content-Length: 429

Allow: ACK, BYE, CANCEL, INVITE, MESSAGE, NOTIFY, OPTIONS, PRACK, REFER, UPDATE

v=0

o=doubango 1983 678902 IN IP4 192.168.2.2

s=-

c=IN IP4 192.168.2.2

t=0 0

m=audio 10492 RTP/AVP 18 101

a=ptime:20

a=minptime:1

a=maxptime:255

a=silenceSupp:off - - - -

a=rtpmap:18 g729/8000/1

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000/1

a=fmtp:101 0-16

a=sendrecv

a=ssrc:1933585261 cname:(null)

a=ssrc:1933585261 mslabel:6994f7d1-6ce9-4fbd-acfd-84e5131ca2e2

a=ssrc:1933585261 label:doubango@audio

RECV:ACK sip:1011@192.168.2.2:63365;transport=udp SIP/2.0

Via: SIP/2.0/UDP 47.97.174.58:50600;rport;branch=z9hG4bK1aXN0425vNepD

Max-Forwards: 70

From: “1010” <sip:201@172.16.99.166>;tag=F125S6v0Z12Kj

To: <sip:1011@192.168.2.2:63365;transport=udp>;tag=269453516

Call-ID: e1504ac5-3c91-1237-fa98-00163e08c55a

CSeq: 128668588 ACK

Contact: <sip:mod_sofia@47.97.174.58:50600>

Content-Length: 0

RECV:BYE sip:1011@192.168.2.2:63365;transport=udp SIP/2.0

Via: SIP/2.0/UDP 47.97.174.58:50600;rport;branch=z9hG4bK2Kpe2ZK9Sy48r

Max-Forwards: 70

From: “1010” <sip:201@172.16.99.166>;tag=F125S6v0Z12Kj

To: <sip:1011@192.168.2.2:63365;transport=udp>;tag=269453516

Call-ID: e1504ac5-3c91-1237-fa98-00163e08c55a

CSeq: 128668589 BYE

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Reason: Q.850;cause=16;text=”NORMAL_CLEARING”

Content-Length: 0

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

SEND: SIP/2.0 200 OK

Via: SIP/2.0/UDP 47.97.174.58:50600;rport=50600;branch=z9hG4bK2Kpe2ZK9Sy48r

From: “1010”<sip:201@172.16.99.166>;tag=F125S6v0Z12Kj

To: <sip:1011@192.168.2.2:63365;transport=udp>;tag=269453516

Contact: <sip:1011@192.168.2.2:63365;transport=udp>

Call-ID: e1504ac5-3c91-1237-fa98-00163e08c55a

CSeq: 128668589 BYE

Content-Length: 0

2.10

SEND: INVITE sip:1010@47.97.174.58 SIP/2.0

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1077035790;rport

From: <sip:1011@47.97.174.58:50600>;tag=491833803

To: <sip:1010@47.97.174.58>

Contact: <sip:1011@192.168.2.2:63365;transport=udp>;+g.oma.sip-im;language=”en,fr”;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

Call-ID: 99be41c1-baff-5070-3245-19a9d1d89fe9

CSeq: 295751628 INVITE

Content-Type: application/sdp

Content-Length: 474

Max-Forwards: 70

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

P-Preferred-Identity: <sip:200@54.67.77.123:5060>

Supported: 100rel

v=0

o=doubango 1983 678902 IN IP4 192.168.2.2

s=-

c=IN IP4 192.168.2.2

t=0 0

a=tcap:1 RTP/AVPF

m=audio 18776 RTP/AVP 18 101

a=ptime:20

a=minptime:1

a=maxptime:255

a=silenceSupp:off - - - -

a=rtpmap:18 g729/8000/1

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000/1

a=fmtp:101 0-16

a=pcfg:1 t=1

a=sendrecv

a=rtcp-mux

a=ssrc:1995240198 cname:(null)

a=ssrc:1995240198 mslabel:6994f7d1-6ce9-4fbd-acfd-84e5131ca2e2

a=ssrc:1995240198 label:doubango@audio

RECV:SIP/2.0 100 Trying

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1077035790;rport=20732;received=112.25.222.170

From: <sip:1011@47.97.174.58:50600>;tag=491833803

To: <sip:1010@47.97.174.58>

Call-ID: 99be41c1-baff-5070-3245-19a9d1d89fe9

CSeq: 295751628 INVITE

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Content-Length: 0

RECV:SIP/2.0 183 Session Progress

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1077035790;rport=20732;received=112.25.222.170

From: <sip:1011@47.97.174.58:50600>;tag=491833803

To: <sip:1010@47.97.174.58>;tag=7S1r4FHNtQSmr

Call-ID: 99be41c1-baff-5070-3245-19a9d1d89fe9

CSeq: 295751628 INVITE

Contact: <sip:1010@47.97.174.58:50600;transport=udp>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Accept: application/sdp

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 289

P-Asserted-Identity: “1010” <sip:1010@47.97.174.58>

v=0

o=FreeSWITCH 1537948729 1537948730 IN IP4 47.97.174.58

s=FreeSWITCH

c=IN IP4 47.97.174.58

t=0 0

m=audio 60718 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

a=rtcp-mux

a=rtcp:60718 IN IP4 47.97.174.58

RECV:SIP/2.0 200 OK

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1077035790;rport=20732;received=112.25.222.170

From: <sip:1011@47.97.174.58:50600>;tag=491833803

To: <sip:1010@47.97.174.58>;tag=7S1r4FHNtQSmr

Call-ID: 99be41c1-baff-5070-3245-19a9d1d89fe9

CSeq: 295751628 INVITE

Contact: <sip:1010@47.97.174.58:50600;transport=udp>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Session-Expires: 120;refresher=uas

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 289

P-Asserted-Identity: “Outbound Call” <sip:1010@47.97.174.58>

v=0

o=FreeSWITCH 1537948729 1537948730 IN IP4 47.97.174.58

s=FreeSWITCH

c=IN IP4 47.97.174.58

t=0 0

m=audio 60718 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

a=rtcp-mux

a=rtcp:60718 IN IP4 47.97.174.58

SEND: ACK sip:1010@47.97.174.58:50600;transport=udp SIP/2.0

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-643006548;rport

From: <sip:1011@47.97.174.58:50600>;tag=491833803

To: <sip:1010@47.97.174.58>;tag=7S1r4FHNtQSmr

Contact: <sip:1011@192.168.2.2:63365;transport=udp>;+g.oma.sip-im;language=”en,fr”;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

Call-ID: 99be41c1-baff-5070-3245-19a9d1d89fe9

CSeq: 295751628 ACK

Content-Length: 0

Max-Forwards: 70

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

SEND sip:1010@47.97.174.58:50600;transport=udp SIP/2.0

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1951085328;rport

From: <sip:1011@47.97.174.58:50600>;tag=491833803

To: <sip:1010@47.97.174.58>;tag=7S1r4FHNtQSmr

Call-ID: 99be41c1-baff-5070-3245-19a9d1d89fe9

CSeq: 295751629 BYE

Content-Length: 0

Max-Forwards: 70

Accept-Contact: *;+g.oma.sip-im

Accept-Contact: *;language=”en,fr”

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

P-Preferred-Identity: <sip:200@54.67.77.123:5060>

RECV:SIP/2.0 200 OK

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1951085328;rport=20732;received=112.25.222.170

From: <sip:1011@47.97.174.58:50600>;tag=491833803

To: <sip:1010@47.97.174.58>;tag=7S1r4FHNtQSmr

Call-ID: 99be41c1-baff-5070-3245-19a9d1d89fe9

CSeq: 295751629 BYE

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Content-Length: 0

###2.11

SEND: INVITE sip:1010@47.97.174.58 SIP/2.0

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1211225053;rport

From: <sip:1011@47.97.174.58:50600>;tag=1631759813

To: <sip:1010@47.97.174.58>

Contact: <sip:1011@192.168.2.2:63365;transport=udp>;+g.oma.sip-im;language=”en,fr”;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

Call-ID: 21252ba3-6621-eeb8-ebbc-d72295795fd8

CSeq: 441294702 INVITE

Content-Type: application/sdp

Content-Length: 471

Max-Forwards: 70

Accept-Contact: *;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel”

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

P-Preferred-Identity: <sip:200@54.67.77.123:5060>

Supported: 100rel

v=0

o=doubango 1983 678902 IN IP4 192.168.2.2

s=-

c=IN IP4 192.168.2.2

t=0 0

a=tcap:1 RTP/AVPF

m=audio 31600 RTP/AVP 18 101

a=ptime:20

a=minptime:1

a=maxptime:255

a=silenceSupp:off - - - -

a=rtpmap:18 g729/8000/1

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000/1

a=fmtp:101 0-16

a=pcfg:1 t=1

a=sendrecv

a=rtcp-mux

a=ssrc:975277425 cname:(null)

a=ssrc:975277425 mslabel:6994f7d1-6ce9-4fbd-acfd-84e5131ca2e2

a=ssrc:975277425 label:doubango@audio

RECV:SIP/2.0 100 Trying

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1211225053;rport=20732;received=112.25.222.170

From: <sip:1011@47.97.174.58:50600>;tag=1631759813

To: <sip:1010@47.97.174.58>

Call-ID: 21252ba3-6621-eeb8-ebbc-d72295795fd8

CSeq: 441294702 INVITE

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Content-Length: 0

RECV:SIP/2.0 183 Session Progress

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1211225053;rport=20732;received=112.25.222.170

From: <sip:1011@47.97.174.58:50600>;tag=1631759813

To: <sip:1010@47.97.174.58>;tag=By6UBvm3eUjZp

Call-ID: 21252ba3-6621-eeb8-ebbc-d72295795fd8

CSeq: 441294702 INVITE

Contact: <sip:1010@47.97.174.58:50600;transport=udp>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Accept: application/sdp

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 289

P-Asserted-Identity: “1010” <sip:1010@47.97.174.58>

v=0

o=FreeSWITCH 1537948752 1537948753 IN IP4 47.97.174.58

s=FreeSWITCH

c=IN IP4 47.97.174.58

t=0 0

m=audio 60710 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

a=rtcp-mux

a=rtcp:60710 IN IP4 47.97.174.58

RECV:SIP/2.0 603 Decline

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1211225053;rport=20732;received=112.25.222.170

Max-Forwards: 70

From: <sip:1011@47.97.174.58:50600>;tag=1631759813

To: <sip:1010@47.97.174.58>;tag=By6UBvm3eUjZp

Call-ID: 21252ba3-6621-eeb8-ebbc-d72295795fd8

CSeq: 441294702 INVITE

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Reason: Q.850;cause=16;text=”NORMAL_CLEARING”

Content-Length: 0

P-Asserted-Identity: “1010” <sip:1010@47.97.174.58>

SEND: ACK sip:1010@47.97.174.58 SIP/2.0

Via: SIP/2.0/UDP 192.168.2.2:63365;branch=z9hG4bK-1211225053;rport

From: <sip:1011@47.97.174.58:50600>;tag=1631759813

To: <sip:1010@47.97.174.58>;tag=By6UBvm3eUjZp

Call-ID: 21252ba3-6621-eeb8-ebbc-d72295795fd8

CSeq: 441294702 ACK

Content-Length: 0

Max-Forwards: 70

RECV:INVITE sip:1010@192.168.2.4:55594;transport=udp SIP/2.0

Via: SIP/2.0/UDP 47.97.174.58;rport;branch=z9hG4bK22yy4r29Q0QtK

Route: <sip:1010@112.25.222.170:22861>;transport=udp

Max-Forwards: 69

From: “1011” <sip:1011@172.16.99.166>;tag=e7H36D760KSUB

To: <sip:1010@192.168.2.4:55594;transport=udp>

Call-ID: fdbfde58-3d77-1237-fa98-00163e08c55a

CSeq: 128718004 INVITE

Contact: <sip:mod_sofia@47.97.174.58:5060>

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Content-Type: application/sdp

Content-Disposition: session

Content-Length: 291

X-FS-Support: update_display,send_info

Remote-Party-ID: “1011” <sip:1011@172.16.99.166>;party=calling;screen=yes;privacy=off

v=0

o=FreeSWITCH 1538047484 1538047485 IN IP4 47.97.174.58

s=FreeSWITCH

c=IN IP4 47.97.174.58

t=0 0

m=audio 60652 RTP/AVP 18 0 8 101

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:20

SEND: SIP/2.0 100 Trying (sent from the Transaction Layer)

Via: SIP/2.0/UDP 47.97.174.58;rport;branch=z9hG4bK22yy4r29Q0QtK

From: “1011”<sip:1011@172.16.99.166>;tag=e7H36D760KSUB

To: <sip:1010@192.168.2.4:55594;transport=udp>

Call-ID: fdbfde58-3d77-1237-fa98-00163e08c55a

CSeq: 128718004 INVITE

Content-Length: 0

is_dtls_fingerprint_changed=0, is_sdes_crypto_changed=0, is_ice_enabled=0, is_ice_restart=0, is_ro_hold_resume_changed=0, is_ro_provisional_final_matching=0, is_ro_media_lines_changed=0, is_ro_network_info_changed=0, is_ro_loopback_address=0, is_media_type_changed=0, is_ro_codecs_changed=0 is_local_encoder_still_ok=0

SEND: SIP/2.0 180 Ringing

Via: SIP/2.0/UDP 47.97.174.58;rport;branch=z9hG4bK22yy4r29Q0QtK

From: “1011”<sip:1011@172.16.99.166>;tag=e7H36D760KSUB

To: <sip:1010@192.168.2.4:55594;transport=udp>;tag=77470699

Contact: <sip:1010@192.168.2.4:55594;transport=udp>

Call-ID: fdbfde58-3d77-1237-fa98-00163e08c55a

CSeq: 128718004 INVITE

Content-Length: 0

Allow: ACK, BYE, CANCEL, INVITE, MESSAGE, NOTIFY, OPTIONS, PRACK, REFER, UPDATE

SEND: SIP/2.0 200 OK

Via: SIP/2.0/UDP 47.97.174.58;rport;branch=z9hG4bK22yy4r29Q0QtK

From: “1011”<sip:1011@172.16.99.166>;tag=e7H36D760KSUB

To: <sip:1010@192.168.2.4:55594;transport=udp>;tag=77470699

Contact: <sip:1010@192.168.2.4:55594;transport=udp>

Call-ID: fdbfde58-3d77-1237-fa98-00163e08c55a

CSeq: 128718004 INVITE

Content-Type: application/sdp

Content-Length: 428

Allow: ACK, BYE, CANCEL, INVITE, MESSAGE, NOTIFY, OPTIONS, PRACK, REFER, UPDATE

v=0

o=doubango 1983 678902 IN IP4 192.168.2.4

s=-

c=IN IP4 192.168.2.4

t=0 0

m=audio 9960 RTP/AVP 18 101

a=ptime:20

a=minptime:1

a=maxptime:255

a=silenceSupp:off - - - -

a=rtpmap:18 g729/8000/1

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000/1

a=fmtp:101 0-16

a=sendrecv

a=ssrc:1243003200 cname:(null)

a=ssrc:1243003200 mslabel:6994f7d1-6ce9-4fbd-acfd-84e5131ca2e2

a=ssrc:1243003200 label:doubango@audio

RECV:ACK sip:1010@192.168.2.4:55594;transport=udp SIP/2.0

Via: SIP/2.0/UDP 47.97.174.58;rport;branch=z9hG4bK3BrQ6KKDN9DDF

Max-Forwards: 70

From: “1011” <sip:1011@172.16.99.166>;tag=e7H36D760KSUB

To: <sip:1010@192.168.2.4:55594;transport=udp>;tag=77470699

Call-ID: fdbfde58-3d77-1237-fa98-00163e08c55a

CSeq: 128718004 ACK

Contact: <sip:mod_sofia@47.97.174.58:5060>

Content-Length: 0

warning: The VAD has been replaced by a hack pending a complete rewrite [DOUBANGO INFO]: State machine: x0000_Connected_2_Connected_X_iACK *[DOUBANGO INFO]: Open speex jb (ptime=20, rate=8000) *[DOUBANGO INFO]: Default Jitter buffer margin=0 *[DOUBANGO INFO]: Default Jitter max late rate=4 *[DOUBANGO INFO]: OnDialogEvent(Dialog connected, 5) *[DOUBANGO INFO]: State machine: tsip_transac_nict_Completed_2_Terminated_X_timerK *[DOUBANGO INFO]: === NICT terminated === *[DOUBANGO INFO]: ** NICT destroyed *** *[DOUBANGO INFO]: State machine: tsip_dialog_register_Connected_2_InProgress_X_oRegister *[DOUBANGO INFO]: State machine: tsip_transac_nict_Started_2_Trying_X_send *[DOUBANGO INFO]:

SEND: REGISTER sip:47.97.174.58 SIP/2.0

Via: SIP/2.0/UDP 192.168.2.4:55594;branch=z9hG4bK-1412302526;rport

From: <sip:1010@47.97.174.58:5060>;tag=406472700

To: <sip:1010@47.97.174.58:5060>

Contact: <sip:1010@192.168.2.4:55594;transport=udp>;expires=30;+g.oma.sip-im;language=”en,fr”;+g.3gpp.smsip;+g.oma.sip-im.large-message;audio;+g.3gpp.icsi-ref=”urn%3Aurn-7%3A3gpp-application.ims.iari.gsma-vs”;+g.3gpp.cs-voice

Call-ID: fbda8abb-5374-77ef-bbb8-7cf725112755

CSeq: 1848820495 REGISTER

Content-Length: 0

Max-Forwards: 70

Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, OPTIONS, NOTIFY, PRACK, UPDATE, REFER

Privacy: none

P-Access-Network-Info: ADSL;utran-cell-id-3gpp=00000000

User-Agent: IM-client/OMA1.0 ios-ngn-stack/v00 (doubango r000)

P-Preferred-Identity: <sip:1008@127.0.0.1:1024>

RECV:SIP/2.0 200 OK

Via: SIP/2.0/UDP 192.168.2.4:55594;branch=z9hG4bK-1412302526;rport=22861;received=112.25.222.170

From: <sip:1010@47.97.174.58:5060>;tag=406472700

To: <sip:1010@47.97.174.58:5060>;tag=gS4ma48DU550j

Call-ID: fbda8abb-5374-77ef-bbb8-7cf725112755

CSeq: 1848820495 REGISTER

Contact: <sip:1010@192.168.2.4:55594;transport=udp>;expires=30

Date: Fri, 28 Sep 2018 04:15:52 GMT

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Content-Length: 0

*[DOUBANGO WARN]: function: “tdav_speex_jitterbuffer_get()” file: “/Users/yangjuanping/Documents/work-code/VoSATProject/VoSAT/doubango/tinyDAV/src/audio/tdav_speex_jitterbuffer.c” line: “212” MSG: Too much missing audio pkts *[DOUBANGO INFO]: State machine: tsip_transac_nict_Completed_2_Terminated_X_timerK *[DOUBANGO INFO]: === NICT terminated === *[DOUBANGO INFO]: ** NICT destroyed *** *[DOUBANGO INFO]:

RECV:BYE sip:1010@192.168.2.4:55594;transport=udp SIP/2.0

Via: SIP/2.0/UDP 47.97.174.58;rport;branch=z9hG4bK4mHg8e4gjj4Za

Max-Forwards: 70

From: “1011” <sip:1011@172.16.99.166>;tag=e7H36D760KSUB

To: <sip:1010@192.168.2.4:55594;transport=udp>;tag=77470699

Call-ID: fdbfde58-3d77-1237-fa98-00163e08c55a

CSeq: 128718005 BYE

User-Agent: FreeSWITCH-mod_sofia/1.6.19~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Reason: Q.850;cause=16;text=”NORMAL_CLEARING”

Content-Length: 0

SEND: SIP/2.0 200 OK

Via: SIP/2.0/UDP 47.97.174.58;rport;branch=z9hG4bK4mHg8e4gjj4Za

From: “1011”<sip:1011@172.16.99.166>;tag=e7H36D760KSUB

To: <sip:1010@192.168.2.4:55594;transport=udp>;tag=77470699

Contact: <sip:1010@192.168.2.4:55594;transport=udp>

Call-ID: fdbfde58-3d77-1237-fa98-00163e08c55a

CSeq: 128718005 BYE

Content-Length: 0

SCP_SDK:rcvPeerData,38, m_rcvSeq = 7895, rcvmsg.seq = 7896 SCP_SDK:SendTo,103, SendTo=6, errno=9 SCP_SDK:#0;496225;MessageInHandler.cxx;127;1;0;5;30 2018-09-28 12:16:00.007162+0800 VoSAT[7388:834864] Status bar could not find cached time string image. Rendering in-process.

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消息流

一、注册：

1.1 SEND:

1.4 RECV:

2.2 RECV:

2.2 RECV:

2.4 SEND:

2.5 RECV

2.6 SEND:

2.7 RECV:

2.8 SEND:

2.9 RECV:INVITE

2.10

消息流

一、 注册：

1.1 SEND:

1.4 RECV:

2.2 RECV:

2.2 RECV:

2.4 SEND:

2.5 RECV

2.6 SEND:

2.7 RECV:

2.8 SEND:

2.9 RECV:INVITE

2.10

一、注册：