📄 rfc3261j.txt
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16.11 僗僥乕僩儗僗僾儘僉僔 ................................ 116
16.12 僾儘僉僔偺儖乕僩張棟偺傑偲傔 ........................ 118
16.12.1 椺 .................................................. 118
16.12.1.1 婎杮揑側SIP戜宍 ..................................... 118
16.12.1.2 僗僩儕僋僩儖乕僥傿儞僌傪峴偆僾儘僉僔偺僩儔僶乕僗 .... 120
16.12.1.3 Record-Route僿僢僟乕僼傿乕儖僪抣偺彂偒姺偊 .......... 121
17 僩儔儞僓僋僔儑儞 .................................... 122
17.1 僋儔僀傾儞僩僩儔儞僓僋僔儑儞 ........................ 124
17.1.1 INVITE僋儔僀傾儞僩僩儔儞僓僋僔儑儞 .................. 125
17.1.1.1 INVITE僩儔儞僓僋僔儑儞偺奣梫 ........................ 125
17.1.1.2 宍幃揑側愢柧 ........................................ 125
17.1.1.3 ACK儕僋僄僗僩偺峔抸 ................................. 129
17.1.2 旕INVITE僋儔僀傾儞僩僩儔儞僓僋僔儑儞 ................ 130
17.1.2.1 旕INVITE僩儔儞僓僋僔儑儞偺奣梫 ...................... 130
17.1.2.2 宍幃揑側愢柧 ........................................ 131
17.1.3 墳摎傪僋儔僀傾儞僩僩儔儞僓僋僔儑儞偵儅僢僠儞僌偡傞 .. 132
17.1.4 僩儔儞僗億乕僩僄儔乕偺憖嶌 .......................... 133
17.2 僒乕僶乕僩儔儞僓僋僔儑儞 ............................ 134
17.2.1 INVITE僒乕僶乕僩儔儞僓僋僔儑儞 ...................... 134
17.2.2 旕INVITE僒乕僶乕僩儔儞僓僋僔儑儞 .................... 137
17.2.3 儕僋僄僗僩傪僒乕僶乕僩儔儞僓僋僔儑儞偵儅僢僠儞僌偡傞 138
17.2.4 僩儔儞僗億乕僩僄儔乕偺憖嶌 .......................... 141
18 僩儔儞僗億乕僩 ...................................... 141
18.1 僋儔僀傾儞僩 ........................................ 142
18.1.1 儕僋僄僗僩偺憲怣 .................................... 142
18.1.2 墳摎偺庴怣 .......................................... 144
18.2 僒乕僶乕 ............................................ 145
18.2.1 儕僋僄僗僩偺庴怣 .................................... 145
Rosenberg, et. al. Standards Track [Page 4]
RFC 3261 SIP: Session Initiation Protocol June 2002
18.2.2 墳摎偺憲怣 .......................................... 146
18.3 僼儗乕儉壔 .......................................... 147
18.4 僄儔乕憖嶌 .......................................... 147
19 僐儌儞儊僢僙乕僕僐儞億乕僱儞僩 ...................... 147
19.1 SIP URI偲SIPS URI ................................... 148
19.1.1 SIP URI僐儞億乕僱儞僩偲SIPS URI僐儞億乕僱儞僩 ....... 148
19.1.2 暥帤僄僗働乕僾梫媮帠崁 .............................. 152
19.1.3 SIP URI偲SIPS URI偺椺 ............................... 153
19.1.4 URI偺斾妑 ........................................... 153
19.1.5 URI偐傜儕僋僄僗僩傪嶌傞 ............................. 156
19.1.6 SIP URI偲tel URL傪娭學晅偗傞 ........................ 157
19.2 僆僾僔儑儞僞僌 ...................................... 158
19.3 僞僌 ................................................ 159
20 僿僢僟乕僼傿乕儖僪 .................................. 159
20.1 Accept .............................................. 161
20.2 Accept-Encoding ..................................... 163
20.3 Accept-Language ..................................... 164
20.4 Alert-Info .......................................... 164
20.5 Allow ............................................... 165
20.6 Authentication-Info ................................. 165
20.7 Authorization ....................................... 165
20.8 Call-ID ............................................. 166
20.9 Call-Info ........................................... 166
20.10 Contact ............................................. 167
20.11 Content-Disposition ................................. 168
20.12 Content-Encoding .................................... 169
20.13 Content-Language .................................... 169
20.14 Content-Length ...................................... 169
20.15 Content-Type ........................................ 170
20.16 CSeq ................................................ 170
20.17 Date ................................................ 170
20.18 Error-Info .......................................... 171
20.19 Expires ............................................. 171
20.20 From ................................................ 172
20.21 In-Reply-To ......................................... 172
20.22 Max-Forwards ........................................ 173
20.23 Min-Expires ......................................... 173
20.24 MIME-Version ........................................ 173
20.25 Organization ........................................ 174
20.26 Priority ............................................ 174
20.27 Proxy-Authenticate .................................. 174
20.28 Proxy-Authorization ................................. 175
20.29 Proxy-Require ....................................... 175
20.30 Record-Route ........................................ 175
20.31 Reply-To ............................................ 176
20.32 Require ............................................. 176
20.33 Retry-After ......................................... 176
20.34 Route ............................................... 177
Rosenberg, et. al. Standards Track [Page 5]
RFC 3261 SIP: Session Initiation Protocol June 2002
20.35 Server .............................................. 177
20.36 Subject ............................................. 177
20.37 Supported ........................................... 178
20.38 Timestamp ........................................... 178
20.39 To .................................................. 178
20.40 Unsupported ......................................... 179
20.41 User-Agent .......................................... 179
20.42 Via ................................................. 179
20.43 Warning ............................................. 180
20.44 WWW-Authenticate .................................... 182
21 墳摎僐乕僪 .......................................... 182
21.1 巄掕墳摎 1xx ........................................ 182
21.1.1 100 Trying (帋峴拞) ................................. 183
21.1.2 180 Ringing (屇傃弌偟拞) ............................ 183
21.1.3 181 Call Is Being Forwarded (屇偑揮憲偝傟偰偄傞) .... 183
21.1.4 182 Queued (僉儏乕偵擖傟傜傟偨) ..................... 183
21.1.5 183 Session Progress (僙僢僔儑儞偺恑捇忬嫷) ......... 183
21.2 惉岟墳摎 2xx ........................................ 183
21.2.1 200 OK .............................................. 183
21.3 儕僟僀儗僋僩墳摎 3xx ................................ 184
21.3.1 300 Multiple Choices (暋悢偺慖戰巿偑偁傞) ........... 184
21.3.2 301 Moved Permanently (峆媣揑偵堏摦偟偨) ............ 184
21.3.3 302 Moved Temporarily (堦帪揑偵堏摦偟偨) ............ 184
21.3.4 305 Use Proxy (僾儘僉僔傪巊梡偣傛) .................. 185
21.3.5 380 Alternative Service (戙懼僒乕價僗) .............. 185
21.4 儕僋僄僗僩幐攕墳摎 4xx .............................. 185
21.4.1 400 Bad Request (晄惓側儕僋僄僗僩) .................. 185
21.4.2 401 Unauthorized (擣壜偝傟偰偄側偄) ................. 185
21.4.3 402 Payment Required (椏嬥巟暐偄偑昁梫) ............. 186
21.4.4 403 Forbidden (嬛巭) ................................ 186
21.4.5 404 Not Found (尒偮偐傜側偄) ........................ 186
21.4.6 405 Method Not Allowed (儊僜僢僪偑嫋壜偝傟偰偄側偄) . 186
21.4.7 406 Not Acceptable (庴偗擖傟偱偒側偄) ............... 186
21.4.8 407 Proxy Authentication Required (僾儘僉僔擣徹偑昁梫) 186
21.4.9 408 Request Timeout (儕僋僄僗僩偑僞僀儉傾僂僩偟偨) .. 186
21.4.10 410 Gone (儕僜乕僗偑傕偆懚嵼偟側偄) ................. 187
21.4.11 413 Request Entity Too Large (儕僋僄僗僩偺僄儞僥傿僥傿
偑戝偒偡偓傞) ................................... 187
21.4.12 414 Request-URI Too Long (Request-URI偑挿偡偓傞) .... 187
21.4.13 415 Unsupported Media Type (僒億乕僩偝傟偰偄側偄儊僨傿
傾僞僀僾) ....................................... 187
21.4.14 416 Unsupported URI Scheme (僒億乕僩偝傟偰偄側偄URI僗
僉乕儉) ......................................... 187
21.4.15 420 Bad Extension (晄惓側奼挘) ...................... 187
21.4.16 421 Extension Required (奼挘偑昁梫) ................. 188
21.4.17 423 Interval Too Brief (娫妘偑抁偡偓傞) ............. 188
21.4.18 480 Temporarily Unavailable (堦帪揑偵棙梡晄壜) ...... 188
21.4.19 481 Call/Transaction Does Not Exist (屇傑偨偼僩儔儞僓
僋僔儑儞偑懚嵼偟側偄) ........................... 188
21.4.20 482 Loop Detected (儖乕僾偑専抦偝傟偨) .............. 188
21.4.21 483 Too Many Hops (儂僢僾偑懡偡偓傞) ................ 189
21.4.22 484 Address Incomplete (傾僪儗僗偑晄姰慡) ........... 189
Rosenberg, et. al. Standards Track [Page 6]
RFC 3261 SIP: Session Initiation Protocol June 2002
21.4.23 485 Ambiguous (晄柧椖) .............................. 189
21.4.24 486 Busy Here (偙偙偼價僕乕) ........................ 189
21.4.25 487 Request Terminated (儕僋僄僗僩偑廔椆偝偣傜傟偨) . 190
21.4.26 488 Not Acceptable Here (偙偙偱偼庴偗擖傟晄擻) ...... 190
21.4.27 491 Request Pending (儕僋僄僗僩儁儞僨傿儞僌) ........ 190
21.4.28 493 Undecipherable (夝撉晄擻) ....................... 190
21.5 僒乕僶乕偱偺幐攕墳摎 5xx ............................ 190
21.5.1 500 Server Internal Error (僒乕僶乕撪晹僄儔乕) ...... 190
21.5.2 501 Not Implemented (幚憰偝傟偰偄側偄) .............. 191
21.5.3 502 Bad Gateway (晄惓側僎乕僩僂僃僀) ................ 191
21.5.4 503 Service Unavailable (僒乕價僗傪棙梡偱偒側偄) .... 191
21.5.5 504 Server Time-out (僒乕僶乕僞僀儉傾僂僩) .......... 191
21.5.6 505 Version Not Supported (僒億乕僩偝傟偰偄側偄僶乕
僕儑儞) ........................................... 192
21.5.7 513 Message Too Large (儊僢僙乕僕偑戝偒偡偓傞) ...... 192
21.6 僌儘乕僶儖幐攕墳摎 6xx .............................. 192
21.6.1 600 Busy Everywhere (偳偺応強傕價僕乕) .............. 192
21.6.2 603 Decline (帿戅) .................................. 192
21.6.3 604 Does Not Exist Anywhere (偳偙偵傕懚嵼偟側偄) .... 192
21.6.4 606 Not Acceptable (庴偗擖傟晄擻) ................... 192
22 HTTP擣徹偺巊梡朄 .................................... 193
22.1 僼儗乕儉儚乕僋 ...................................... 193
22.2 儐乕僓乕丒儐乕僓乕娫擣徹 ............................ 195
22.3 僾儘僉僔丒儐乕僓乕娫擣徹 ............................ 197
22.4 僟僀僕僃僗僩擣徹僗僉乕儉 ............................ 199
23 S/MIME .............................................. 201
23.1 S/MIME偺徹柧彂 ...................................... 201
23.2 S/MIME偺尞岎姺 ...................................... 202
23.3 MIME儃僨傿偺埨慡妋曐 ................................ 205
23.4 S/MIME傪巊梡偟偨SIP僿僢僟乕偺僾儔僀僶僔乕偲姰慡惈:
SIP僩儞僱儕儞僌 ..................................... 207
23.4.1 SIP僿僢僟乕偺姰慡惈偲婡枾惈偺摿惈 ................... 207
23.4.1.1 姰慡惈 .............................................. 207
23.4.1.2 婡枾惈 .............................................. 208
23.4.2 僩儞僱儕儞僌偺姰慡惈偲擣徹 .......................... 209
23.4.3 僩儞僱儕儞僌埫崋壔 .................................. 211
24 椺 .................................................. 213
24.1 搊榐 ................................................ 213
24.2 僙僢僔儑儞僙僢僩傾僢僾 .............................. 214
25 SIP僾儘僩僐儖偺偨傔偺奼挘BNF ........................ 219
25.1 婎杮儖乕儖 .......................................... 219
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