VoLTE呼叫SIP信令分析报告.docx

VoLTE呼叫SIP信令分析报告.docx

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VoLTE呼叫SIP信令分析报告

VoLTE呼叫SIP信令分析 

VoLTE主叫与网络侧交互流程

11     INVITE   

/**UE向网侧发起INVITE请求，sip:

ims.mnc060.mcc460.3gppnetwork.org是IMPU

是被叫的，SIP/2.0是协议版本号*/

INVITEsip:

ims.mnc060.mcc460.3gppnetwork.org;user=phoneSIP/2.0

/**是呼出的,*/

From:

+64ims.huawei.>;tag=ccecbow 

/**被叫是*/

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>

P-Preferred-Identity:

+64ims.huawei.>

Contact:

2.168.57.10:

5060>;+sip.instance="

gsma:

imei:

86527602-000237-4>";+g.3gpp.icsi-ref="urn%%3Aurn-7%%3A3gpp-service.ims.icsi.mmtel";+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;video

Accept-Contact:

*;+g.3gpp.icsi-ref="urn%%3Aurn-7%%3A3gpp-service.ims.icsi.mmtel"

Request-Disposition:

fork

/**E-UTRAN表示4G

TDD是TDD制式,现在支持TDD和FDD的4G通话*/

P-Access-Network-Info:

3GPP-E-UTRAN-TDD;utran-cell-id-3gpp="0A06A"

/**打开了precondition*/

Supported:

100rel,join,norefersub,precondition,replaces,timer

Allow:

INVITE,ACK,BYE,CANCEL,UPDATE,INFO,PRACK,SUBSCRIBE,NOTIFY,REFER

Session-Expires:

1800

Min-SE:

90

Call-ID:

bbecbowMm192.168.57.10

CSeq:

1INVITE

/**VoLTE呼叫经过的网络节点数最大值*/

Max-Forwards:

70

User-Agent:

RCS-client/OMA1.0HW-VxW/V1.0

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKddecbowMmawMmxhaaGL2;rport

Content-Type:

application/sdp

Content-Length:

833

v=0

o=vue32020INIP4192.168.57.10

s=-

c=INIP4192.168.57.10

t=00

m=audio31004RTP/AVP108106101102

/***********************

AMB-WB宽带，a开头的字段是详细解释

有4种编码方式：

宽带108

窄带101

宽带DTMF描述101

宽带DTMF描述102

*/

a=rtpmap:

108AMR-WB/16000/1

a=fmtp:

108mode-change-capability=2;max-red=0

/************************

AMR就表示AMR-NB（窄带）

********************/

a=rtpmap:

106AMR/8000/1

a=fmtp:

106mode-change-capability=2;max-red=0

a=rtpmap:

101telephone-event/16000

a=fmtp:

1010-15

a=rtpmap:

102telephone-event/8000

a=fmtp:

1020-15

/**************

表示1帧/20ms

***************/

a=ptime:

20

/***************

表示1帧/240秒是个界限，网络侧不能低于这个速率

*****************/

a=maxptime:

240

/***************

SDP协商

****************/

a=sendrecv

/****************

curr：

当前状态

Preconditiontype：

qos

statustype:

local

****************/

a=curr:

qoslocalnone

a=curr:

qosremotenone

/****************

des：

期望

derectiontag：

sendrecv

级别：

optional，级别从低到高是none（资源没有），optional（资源可选），mandatory（资源一定要有）

****************/

a=des:

qosoptionallocalsendrecv

a=des:

qosoptionalremotesendrecv

/***************

m开头的字段是多媒体信息描述

***************/

m=video37050RTP/AVP118123

a=rtpmap:

118H264/90000

a=fmtp:

118profile-level-id=64E00D;max-br=640

a=rtpmap:

123H264/90000

a=fmtp:

123profile-level-id=42E00D;max-br=640

a=sendrecv

a=curr:

qoslocalnone

a=curr:

qosremotenone

a=des:

qosoptionallocalsendrecv

a=des:

qosoptionalremotesendrecv

22     100Trying   

/**网络侧回了100Trying表示网络侧在尝试连接被叫

*/

SIP/2.0100Trying

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKddecbowMmawMmxhaaGL2;rport=5060

Call-ID:

bbecbowMm192.168.57.10

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>

CSeq:

1INVITE

Content-Length:

0

3

 3     183SessionProgress   

/************************

网络侧回183表示网络侧在做资源预留，建立QCI5，QCI1等承载

*/

SIP/2.0183SessionProgress

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKddecbowMmawMmxhaaGL2;rport=5060

Call-ID:

bbecbowMm192.168.57.10

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

CSeq:

1INVITE

Allow:

INVITE,ACK,BYE,CANCEL,UPDATE,INFO,PRACK,SUBSCRIBE,NOTIFY,REFER

Contact:

72.10.10.51:

5060>

Require:

100rel,precondition

Server:

RCS-client/OMA1.0HW-VxW/V1.0

RSeq:

1

Feature-Caps:

*;+g.3gpp.srvcc;+g.3gpp.srvcc-alerting

Content-Length:

689

Content-Type:

application/sdp

v=0

o=-2140121401INIP472.10.10.60

s=SBCcall

c=INIP472.10.10.60

t=00

m=audio48150RTP/AVP108101

a=rtpmap:

108AMR-WB/16000/1

a=fmtp:

108mode-change-capability=2;max-red=0

a=rtpmap:

101telephone-event/16000

a=fmtp:

1010-15

a=ptime:

20

a=maxptime:

240

/**SDP

*/

a=sendrecv

a=curr:

qoslocalnone

a=curr:

qosremotenone

a=des:

qosmandatorylocalsendrecv

a=des:

qosmandatoryremotesendrecv

a=conf:

qosremotesendrecv

m=video48152RTP/AVP118

a=rtpmap:

118H264/90000

a=fmtp:

118profile-level-id=64E00D;max-br=640

a=sendrecv

a=curr:

qoslocalnone

a=curr:

qosremotenone

a=des:

qosmandatorylocalsendrecv

a=des:

qosmandatoryremotesendrecv

a=conf:

qosremotesendrecv

44     PRACK   

/****************

PRACKUE等待网络预留资源分配

****************/

PRACKsip:

72.10.10.51:

5060SIP/2.0

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

Call-ID:

bbecbowMm192.168.57.10

CSeq:

2PRACK

Max-Forwards:

70

User-Agent:

RCS-client/OMA1.0HW-VxW/V1.0

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKaeecbowMmawMmxhaaqJ2;rport

RAck:

11INVITE

Content-Length:

0

55     UPDATE   

/********************

UE收到QCI=1等承载建立后就发UPDATE

UE发UPDATE和UE收到PRACK200OK的顺序在不同场景下前后顺序会互换

*********************/

UPDATEsip:

72.10.10.51:

5060SIP/2.0

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

Contact:

2.168.57.10:

5060>

P-Access-Network-Info:

3GPP-E-UTRAN-TDD;utran-cell-id-3gpp="0A06A"

Supported:

100rel,join,norefersub,precondition,replaces,timer

Allow:

INVITE,ACK,BYE,CANCEL,UPDATE,INFO,PRACK,SUBSCRIBE,NOTIFY,REFER

Session-Expires:

1800

Min-SE:

90

Call-ID:

bbecbowMm192.168.57.10

CSeq:

3UPDATE

Max-Forwards:

70

User-Agent:

RCS-client/OMA1.0HW-VxW/V1.0

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKbfecbowMmawMmxhaayba;rport

Content-Type:

application/sdp

Content-Length:

639

v=0

o=vue32023202INIP4192.168.57.10

s=-

c=INIP4192.168.57.10

t=00

m=audio31004RTP/AVP108101

a=rtpmap:

108AMR-WB/16000/1

a=fmtp:

108mode-change-capability=2;max-red=0

a=rtpmap:

101telephone-event/16000

a=fmtp:

1010-15

a=ptime:

20

a=maxptime:

240

a=sendrecv

a=curr:

qoslocalsendrecv

a=curr:

qosremotenone

a=des:

qosmandatorylocalsendrecv

a=des:

qosmandatoryremotesendrecv

m=video37050RTP/AVP118

a=rtpmap:

118H264/90000

a=fmtp:

118profile-level-id=64E00D;max-br=640

a=sendrecv

a=curr:

qoslocalsendrecv

a=curr:

qosremotenone

a=des:

qosmandatorylocalsendrecv

a=des:

qosmandatoryremotesendrecv

6

 6     PRACK200OK   

SIP/2.0200OK

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKaeecbowMmawMmxhaaqJ2;rport=5060

Call-ID:

bbecbowMm192.168.57.10

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

CSeq:

2PRACK

Server:

RCS-client/OMA1.0HW-VxW/V1.0

Content-Length:

0

77     200OK   

SIP/2.0200OK

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKbfecbowMmawMmxhaayba;rport=5060

Call-ID:

bbecbowMm192.168.57.10

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

CSeq:

3UPDATE

Allow:

INVITE,ACK,BYE,CANCEL,UPDATE,INFO,PRACK,SUBSCRIBE,NOTIFY,REFER

Contact:

72.10.10.51:

5060>

Server:

RCS-client/OMA1.0HW-VxW/V1.0

Supported:

100rel,join,norefersub,precondition,replaces

Content-Length:

649

Content-Type:

application/sdp

v=0

o=-2140121402INIP472.10.10.60

s=SBCcall

c=INIP472.10.10.60

t=00

m=audio48150RTP/AVP108101

/*****************

最后使用的是宽带还是窄带要看整个流程的最后的SDP，这里看出协商后是宽带

******************/

a=rtpmap:

108AMR-WB/16000/1

a=fmtp:

108mode-change-capability=2;max-red=0

a=rtpmap:

101telephone-event/16000

a=fmtp:

1010-15

a=ptime:

20

a=maxptime:

240

a=sendrecv

a=curr:

qoslocalsendrecv

a=curr:

qosremotesendrecv

a=des:

qosmandatorylocalsendrecv

a=des:

qosmandatoryremotesendrecv

m=video48152RTP/AVP118

a=rtpmap:

118H264/90000

a=mtp:

118profile-level-id=64E00D;max-br=640

a=sendrecv

a=curr:

qoslocalsendrecv

a=curr:

qosremotesendrecv

a=des:

qosmandatorylocalsendrecv

a=des:

qosmandatoryremotesendrecv

88     180Ringing   

/*********************

被叫响铃后，网络侧给主叫发180Ringing

*********************/

SIP/2.0180Ringing

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKddecbowMmawMmxhaaGL2;rport=5060

Call-ID:

bbecbowMm192.168.57.10

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

CSeq:

1INVITE

Allow:

INVITE,ACK,BYE,CANCEL,UPDATE,INFO,PRACK,SUBSCRIBE,NOTIFY,REFER

Contact:

72.10.10.51:

5060>

Require:

100rel,precondition

Server:

RCS-client/OMA1.0HW-VxW/V1.0

RSeq:

2

Feature-Caps:

*;+g.3gpp.srvcc;+g.3gpp.srvcc-alerting

Content-Length:

0

9

 9     PRACK   

/*****************

UE侧收到183或180的信令后都会回PRACK

******************/

PRACKsip:

72.10.10.51:

5060SIP/2.0

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

Call-ID:

bbecbowMm192.168.57.10

CSeq:

4PRACK

Max-Forwards:

70

User-Agent:

RCS-client/OMA1.0HW-VxW/V1.0

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKcgecbowMmawMmxhaaOda;rport

RAck:

21INVITE

Content-Length:

0

1010 PRACK200OK   

/*********************

由于UPDATA已经协商完了，这里200OK就没有SDP了

********************/

SIP/2.0200OK

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKcgecbowMmawMmxhaaOda;rport=5060

Call-ID:

bbecbowMm192.168.57.10

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

CSeq:

4PRACK

Server:

RCS-client/OMA1.0HW-VxW/V1.0

Content-Length:

0

1111 INVITE200OK   

SIP/2.0200OK

Via:

SIP/2.0/UDP192.168.57.10:

5060;branch=z9hG4bKddecbowMmawMmxhaaGL2;rport=5060

Call-ID:

bbecbowMm192.168.57.10

From:

+64ims.huawei.>;tag=ccecbow

To:

""

ims.mnc060.mcc460.3gppnetwork.org;user=phone>;tag=sbc080479mp79ee

CSeq:

1INVITE

Allow:

INVITE,ACK,BYE,CANCEL,UPDATE,INFO,PRACK,SUBSCRIBE,NOTIFY,REFER

Contact:

72.10.10.51:

5060>;+g.3gpp.mid-call

Require:

timer

Server:

RCS-client/OMA1.0HW-VxW/V1.0

Supported:

tdialog,100rel,join,norefersub,precondition,replaces

Session-Expires:

1800;refreshe