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IMS/SIP中的終端能力（UA Capability Information ）

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發(fā)表于 2020-11-07 08:34:23 只看樓主

在通信系統(tǒng)中參與的終端（UA）之間信息的交互全部基于自身能力（Capability Information）；通常他們交換自身能力是初始通信設(shè)置中的一個(gè)強(qiáng)制內(nèi)容，有時(shí)終端提供這些信息則是為了回應(yīng)對(duì)方的特殊要求。在WCDMA或LTE網(wǎng)絡(luò)中，終端是在RRC連接配置完成消息中攜帶這些表明其性能的特殊消息。

這些有關(guān)自身能力（Capability Information）的信息對(duì)于溝通中的雙方來說都非常重要；這些信息可以自行配置后才可以與另一方進(jìn)行溝通。此外在進(jìn)行即時(shí)消息交流時(shí)這些信息也非常重要，因?yàn)樵谠S多情況下信息交流失敗僅僅是因?yàn)榻K端不支持特定功能或特性。

在IMS系統(tǒng)和基于IMS系統(tǒng)的應(yīng)用程序中也使用類似的機(jī)制。對(duì)于IMS應(yīng)用程序有幾種不同的機(jī)制消息，它們都攜帶了UE能力相關(guān)信息。對(duì)于IMS系統(tǒng)的故障排除，在開始進(jìn)行故障排除之前，最好檢查一下UE功能的相關(guān)信息。

1.IMS系統(tǒng)中攜帶UE能力的SIP消息

在IMS系統(tǒng)以下七種消息中攜帶了含有UE能力的消息，這些消息分別表明了其支持的功能或性能；

注冊(cè)（REGISTER）中攜帶的UE能力消息
發(fā)布（PUBLISH）中攜帶的UE能力消息
選項(xiàng)（OPTION）中攜帶的UE能力消息
通知（NOTIFY）中攜帶的UE能力消息
邀請(qǐng)（INVITE）中攜帶的UE能力消息
180振鈴中（Ringing）中攜帶的UE能力消息
200（OK）應(yīng)答中攜帶的UE能力消息

2.攜帶UE能力的消息內(nèi)容（下文中紅色字體部分）

2.1 注冊(cè)（Capability Information in REGISTER）

REGISTER sip:test.3gpp.com SIP/2.0

Route: <sip:[2001:0:0:1::2]:5060;lr>

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

Expires: 600000

Authorization: Digest username="001010123456789@test.3gpp.com",realm="TestIMS.com",

nonce="fn3iiH1LnWqCtFyPUD8qzYxfiiVavYAAmfcxByxmhBg=",algorithm=AKAv1-MD5,

uri="sip:test.3gpp.com",response="9f17517adee640b8895dda33b336f071",

qop=auth,nc=00000002,cnonce="dsf232sun2299674910xyx",

opaque="bbedd3dd5f884860b741b03d36b430ea"

P-Access-Network-Info: 3GPP-E-UTRAN-FDD;utran-cell-id-3gpp=0010100010000001

Contact: <sip:+11234567890@[2001:0:0:1::1]:5060>;

+g.3gpp.smsip;

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

+g.gsma.rcs.telephony="cs,volte";

+sip.instance="<urn:gsma:imei:99000493-686661-0>"

From: <sip:+11234567890@test.3gpp.com>;tag=1334507655

To: <sip:+11234567890@test.3gpp.com>

Call-ID: 266901530@2001:0:0:1::1

CSeq: 4 REGISTER

Max-Forwards: 70

Via: SIP/2.0/UDP [2001:0:0:1::1]:5060;branch=z9hG4bK459934981smg;transport=UDP

Content-Length: 0

2.2 發(fā)布（Capability Information in PUBLISH）

PUBLISH sip:+339012341234@test-rcs.com SIP/2.0

Call-ID: xSh0yaUHAA@192.168.1.1

CSeq: 1 PUBLISH

From: <sip:+339012341234@test-rcs.com>;tag=xSh0yaUIAA

To: <sip:+339012341234@test-rcs.com>

Via: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bK84da5f074a2ba56ea1c0d63f7fa45a54383138;rport

Max-Forwards: 70

Route: <sip:192.168.1.2:5060;transport=udp;lr>

Expires: 3600

SIP-If-Match: ac63be7e9042439dad76da16904cf48d

User-Agent: IM-client/OMA1.0 Test-RCS-client/2.5.13

Event: presence

Content-Type: application/pidf+xml

Content-Length: 2122

<presence

xmlns="urn:ietf:params:xml:ns:pidf"

xmlns:op="urn:oma:xml:prs:pidf:oma-pres"

xmlns:opd="urn:oma:xml:pde:pidf:ext"

xmlns:pdm="urn:ietf:params:xml:ns:pidf:data-model"

xmlns:ci="urn:ietf:params:xml:ns:pidf:cipid"

xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid"

xmlns:gp="urn:ietf:params:xml:ns:pidf:geopriv10"

xmlns:gml="urn:opengis:specification:gml:schema-xsd:feature:v3.0"

entity="sip:+339012341234@test-rcs.com">

<op:service-description>

<op:service-id>org.openmobilealliance:File-Transfer</op:service-id>

<op:version>1.0</op:version>

</op:service-description>

</tuple>

<op:service-description>

<op:service-id>org.gsma.imageshare</op:service-id>

<op:version>1.0</op:version>

</op:service-description>

</tuple>

<op:service-description>

<op:service-id>org.gsma.videoshare</op:service-id>

<op:version>1.0</op:version>

</op:service-description>

</tuple>

<op:service-description>

<op:service-id>org.openmobilealliance:IM-session</op:service-id>

<op:version>1.0</op:version>

</op:service-description>

</tuple>

<op:service-description>

<op:service-id>org.3gpp.cs-videotelephony</op:service-id>

<op:version>1.0</op:version>

</op:service-description>

</tuple>

</presence>

2.3選項(xiàng)（Capability Information in OPTION）

OPTIONS sip:192.168.1.1:5060;transport=udp SIP/2.0

Via: SIP/2.0/UDP 192.168.1.2:51422;branch=z9hG4bKb7a8715cd9d04e019149483fac110beea0;rport;transport=udp

Via: SIP/2.0/TCP 192.168.1.2:49755;branch=z9hG4bKec290e95eb714990adc88d84f09a6367;rport=49836

Max-Forwards: 69

From: <sip:+330123456789@sharetechnote-rcs.com>;tag=33ad62399bdc451d92591e2d9e29903a

To: <sip:+339012341234@sharetechnote-rcs.com>

Date: Thu, 19 Jun 2014 15:40:39 GMT

Expires: 3600

Contact: <sip:+330123456789@sharetechnote-rcs.com>;

+g.3gpp.cs-voice;video;

+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.oma.cpm.msg,

urn%3Aurn-7%3A3gpp-service.ims.icsi.oma.cpm.largemsg,

urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel";

+g.3gpp.iari-ref="urn%3Aurn-7%3A3gpp-application.ims.iari.rcse.im,

urn%3Aurn-7%3A3gpp-application.ims.iari.rcs.fullsfgroupchat,

urn%3Aurn-7%3A3gpp-application.ims.iari.rcs.ftthumb,

urn%3Aurn-7%3A3gpp-application.ims.iari.rcs.fthttp,

urn%3Aurn-7%3A3gpp-application.ims.iari.rcse.sp,

urn%3Aurn-7%3A3gpp-application.ims.iari.rcse.dp,

urn%3Aurn-7%3A3gpp-application.ims.iari.rcs.geopull"

CSeq: 1 OPTIONS

Call-ID: 334cb0b603964d348a011fc8f87c82cd

Content-Length: 0

Record-Route: <sip:192.168.1.2;lr>

2.4通知（Capability Information in NOTIFY）

SUBSCRIBE sip:+14448880000@one.att.net SIP/2.0

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

User-Agent: Samsung IMS 5.0

Accept-Encoding: gzip

Expires: 0

Privacy: id

Accept: application/pidf+xml,multipart/related,application/rlmi+xml

P-Preferred-Identity: <sip:310410123456789@one.att.net>

CSeq: 1 SUBSCRIBE

Max-Forwards: 70

P-Access-Network-Info: 3GPP-E-UTRAN-FDD;utran-cell-id-3gpp=31041000010000000

Route: <sip:[2001:0:0:1::2]:5060;lr>

a: *;+g.oma.sip-im;explicit;require

f: <sip:Anonymous@one.att.net>;tag=1750499527

i: 1148937124@2001::1:4c16:9c0f:4986:9e6d

l: 0

m: <sip:310410123456789@[2001::1:4c16:9c0f:4986:9e6d]:5060>

o: presence

t: <sip:+14448880000@one.att.net>

v: SIP/2.0/UDP [2001::1:4c16:9c0f:4986:9e6d]:5060;branch=z9hG4bK2869593858smg;transport=UDP

NOTIFY sip:310410123456789@[2001::1:4c16:9c0f:4986:9e6d]:5060;transport=udp SIP/2.0

Max-Forwards: 69

Via: SIP/2.0/UDP [2001:0:0:1::2]:5060;branch=z9hG4bK2734c4ccb25347249de8a9cc2b95e81f10;rport

From: <tel:+14448880000>;tag=987654321

To: <sip:310410123456789@[2001::1:4c16:9c0f:4986:9e6d]:5060>;tag=1750499527

Event: presence

Contact: <sip:[2001:0:0:1::2]:5060>

Content-Type: application/pidf+xml

Subscription-State: active;expires=3600

CSeq: 1 NOTIFY

Call-ID: 1148937124@2001::1:4c16:9c0f:4986:9e6d

Content-Length: 2097

<?xml version="1.0" encoding="UTF-8"?>

<presence xmlns="urn:ietf:params:xml:ns:pidf"

xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid"

xmlns:op="urn:oma:xml:prs:pidf:oma-pres"

xmlns:pdm="urn:ietf:params:xml:ns:pidf:data-model"

xmlns:cipid="urn:ietf:params:xml:ns:pidf:cipid"

xmlns:caps="urn:ietf:params:xml:ns:pidf:caps"

entity="sip:+14448880000@one.att.net">

<op:service-description>

<op:service-id>org.openmobilealliance:ChatSession</op:service-id>

<op:version>2.0</op:version>

<op:description>Session Mode Messaging</op:description>

</op:service-description>

</tuple>

<op:service-description>

<op:service-id>org.openmobilealliance:File-Transfer</op:service-id>

<op:version>1.0</op:version>

<op:description>File Transfer</op:description>

</op:service-description>

</tuple>

<op:service-description>

<op:service-id>org.3gpp.urn:urn-7:3gpp-application.ims.iari.rcse.dp</op:service-id>

<op:version>1.0</op:version>

<op:description>DiscoveryPresence</op:description>

</op:service-description>

</tuple>

<op:service-description>

<op:service-id>org.openmobilealliance:StandaloneMsg</op:service-id>

<op:version>2.0</op:version>

<op:description>StandaloneMsg</op:description>

</op:service-description>

</tuple>

<tupleid="VOLTE15456546">

<caps:servcaps>

<caps:audio>true</caps:audio>

<caps:video>true</caps:video>

<caps:duplex><caps:supported>

<caps:full />

</caps:supported>

</caps:duplex>

</caps:servcaps>

<op:service-description>

<op:service-id>org.3gpp.urn:urn-7:3gpp-service.ims.icsi.mmtel</op:service-id>

<op:version>1.0</op:version>

<op:description>IPVideoCall</op:description>

</op:service-description>

</tuple>

</presence>

2.5邀請(qǐng)（Capability Information in INVITE）

INVITE sip:310410123456789@[2001::1:f8b5:503a:c5d0:2fea]:6000 SIP/2.0

Via: SIP/2.0/UDP [2001:0:0:1::2]:62993;branch=z9hG4bKd7e3f6cf946a49618e8be0a37cc4a65b53;transport=udp

Via: SIP/2.0/UDP [2001:0:0:1::2]:62984;branch=z9hG4bK3a2fa06cd53440b7a93217d703d8792a963b2071

Max-Forwards: 69

Call-ID: bbae9438711d47d283895a10f920c2db

CSeq: 11001 INVITE

To: <sip:310410123456789@sharetechnote.net>

From: <sip:0123456789@sharetechnote.net>;tag=1111111111

Feature-Caps: +g.3gpp.srvcc-alerting

Allow: ACK, BYE, CANCEL, INVITE, PRACK, UPDATE

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

User-Agent: Test-VirtualUA/95adfae

Content-Type: application/sdp

Content-Length: 456

Contact: <sip:0123456789@[2001:0:0:1::2]:62984;transport=udp>;+g.3gpp.icsi-ref="urn:urn-7:3gpp- service.ims.icsi.mmtel";video;+g.3gpp.srvcc-alerting

Privacy: none

P-Asserted-Identity: <sip:0123456789@sharetechnote.net>

Record-Route: <sip:[2001:0:0:1::2]:62993;lr>

2.6180振鈴（Capability Information in 180 Ringing）

SIP/2.0 180 Ringing

Max-Forwards: 70

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

CSeq: 11001 INVITE

Record-Route: <sip:[2001:0:0:1::2]:62993;lr>

P-Access-Network-Info: 3GPP-E-UTRAN-FDD;utran-cell-id-3gpp=31041000010000001

f: <sip:0123456789@sharetechnote.net>;tag=1111111111

i: bbae9438711d47d283895a10f920c2db

l: 0

m: <sip:310410123456789@[2001::1:f8b5:503a:c5d0:2fea]:6000>;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel";require;explicit;+g.3gpp.srvcc-alerting;mobility="mobile"

t: <sip:310410123456789@sharetechnote.net>;tag=506663245

v: SIP/2.0/UDP [2001:0:0:1::2]:62993;branch=z9hG4bKd7e3f6cf946a49618e8be0a37cc4a65b53;transport=udp,SIP/2.0/UDP [2001:0:0:1::2]:62984;branch=z9hG4bK3a2fa06cd53440b7a93217d703d8792a963b2071

2.7 200（OK）Capability Information in 200 OK

SIP/2.0 200 OK

Accept: application/sdp,application/3gpp-ims+xml

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

Security-Verify: ipsec-3gpp;q=0.1;alg=hmac-md5-96;ealg=null;prot=esp;mod=trans;spi-c=2340907816;spi- s=1826487465;port-c=62992;port-s=62993

Max-Forwards: 70

User-Agent: Samsung IMS 5.0

CSeq: 11001 INVITE

Record-Route: <sip:[2001:0:0:1::2]:62993;lr>

P-Access-Network-Info: 3GPP-E-UTRAN-FDD;utran-cell-id-3gpp=31041000010000001

c: application/sdp

f: <sip:0123456789@sharetechnote.net>;tag=1111111111

i: bbae9438711d47d283895a10f920c2db

k: timer

l: 375

m: <sip:310410123456789@[2001::1:f8b5:503a:c5d0:2fea]:6000>;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp- service.ims.icsi.mmtel";require;explicit;+g.3gpp.mid-call;mobility="mobile"

t: <sip:310410123456789@sharetechnote.net>;tag=506663245

v: SIP/2.0/UDP [2001:0:0:1::2]:62993;branch=z9hG4bKd7e3f6cf946a49618e8be0a37cc4a65b53;transport=udp,SIP/2.0/UDP [2001:0:0:1::2]:62984;branch=z9hG4bK3a2fa06cd53440b7a93217d703d8792a963b2071

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