blog/Jami_Ring__finally_functioning_peer_to_peer_communication_client.html

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   6     <title>Petter Reinholdtsen: Jami/Ring, finally functioning peer to peer communication client</title>
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  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <div class="entry">
  23       <div class="title">Jami/Ring, finally functioning peer to peer communication client</div>
  24       <div class="date">19th June 2019</div>
  25       <div class="body"><p>Some years ago, in 2016, I
  26 <a href="http://people.skolelinux.org/pere/blog/Experience_and_updated_recipe_for_using_the_Signal_app_without_a_mobile_phone.html">wrote
  27 for the first time about</a> the Ring peer to peer messaging system.
  28 It would provide messaging without any central server coordinating the
  29 system and without requiring all users to register a phone number or
  30 own a mobile phone.  Back then, I could not get it to work, and put it
  31 aside until it had seen more development.  A few days ago I decided to
  32 give it another try, and am happy to report that this time I am able
  33 to not only send and receive messages, but also place audio and video
  34 calls.  But only if UDP is not blocked into your network.</p>
  35
  36 <p>The Ring system changed name earlier this year to
  37 <a href="https://en.wikipedia.org/wiki/Jami_(software)">Jami</a>.  I
  38 tried doing web search for 'ring' when I discovered it for the first
  39 time, and can only applaud this change as it is impossible to find
  40 something called Ring among the noise of other uses of that word.  Now
  41 you can search for 'jami' and this client and
  42 <a href="https://jami.net/">the Jami system</a> is the first hit at
  43 least on duckduckgo.</p>
  44
  45 <p>Jami will by default encrypt messages as well as audio and video
  46 calls, and try to send them directly between the communicating parties
  47 if possible.  If this proves impossible (for example if both ends are
  48 behind NAT), it will use a central SIP TURN server maintained by the
  49 Jami project.  Jami can also be a normal SIP client.  If the SIP
  50 server is unencrypted, the audio and video calls will also be
  51 unencrypted.  This is as far as I know the only case where Jami will
  52 do anything without encryption.</p>
  53
  54 <p>Jami is available for several platforms: Linux, Windows, MacOSX,
  55 Android, iOS, and Android TV.  It is included in Debian already.  Jami
  56 also work for those using F-Droid without any Google connections,
  57 while Signal do not.
  58 <a href="https://git.jami.net/savoirfairelinux/ring-project/wikis/technical/Protocol">The
  59 protocol</a> is described in the Ring project wiki.  The system uses a
  60 distributed hash table (DHT) system (similar to BitTorrent) running
  61 over UDP.  On one of the networks I use, I discovered Jami failed to
  62 work.  I tracked this down to the fact that incoming UDP packages
  63 going to ports 1-49999 were blocked, and the DHT would pick a random
  64 port and end up in the low range most of the time.  After talking to
  65 the developers, I solved this by enabling the dhtproxy in the
  66 settings, thus using TCP to talk to a central DHT proxy instead of
  67
  68 peering directly with others.  I've been told the developers are
  69 working on allowing DHT to use TCP to avoid this problem.  I also ran
  70 into a problem when trying to talk to the version of Ring included in
  71 Debian Stable (Stretch).  Apparently the protocol changed between
  72 beta2 and the current version, making these clients incompatible.
  73 Hopefully the protocol will not be made incompatible in the
  74 future.</p>
  75
  76 <p>It is worth noting that while looking at Jami and its features, I
  77 came across another communication platform I have not tested yet.  The
  78 <a href="https://en.wikipedia.org/wiki/Tox_(protocol)">Tox protocol</a>
  79 and <a href="https://tox.chat/">family of Tox clients</a>.  It might
  80 become the topic of a future blog post.</p>
  81
  82 <p>As usual, if you use Bitcoin and want to show your support of my
  83 activities, please send Bitcoin donations to my address
  84 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
  85 </div>
  86
  87       <div class="tags">Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>, <a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance</a>.</div>
  88
  89
  90     </div>
  91
  92
  93
  94
  95     <div id="sidebar">
  96
  97
  98
  99 <h2>Archive</h2>
 100 <ul>
 101
 102 <li>2020
 103 <ul>
 104
 105 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/02/">February (2)</a></li>
 106
 107 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/03/">March (2)</a></li>
 108
 109 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/04/">April (2)</a></li>
 110
 111 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/05/">May (3)</a></li>
 112
 113 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/06/">June (2)</a></li>
 114
 115 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/07/">July (1)</a></li>
 116
 117 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/09/">September (1)</a></li>
 118
 119 </ul></li>
 120
 121 <li>2019
 122 <ul>
 123
 124 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/01/">January (4)</a></li>
 125
 126 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/02/">February (3)</a></li>
 127
 128 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/03/">March (3)</a></li>
 129
 130 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/05/">May (2)</a></li>
 131
 132 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/06/">June (5)</a></li>
 133
 134 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/07/">July (2)</a></li>
 135
 136 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/08/">August (1)</a></li>
 137
 138 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/09/">September (1)</a></li>
 139
 140 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/11/">November (1)</a></li>
 141
 142 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/12/">December (4)</a></li>
 143
 144 </ul></li>
 145
 146 <li>2018
 147 <ul>
 148
 149 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/01/">January (1)</a></li>
 150
 151 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/02/">February (5)</a></li>
 152
 153 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/03/">March (5)</a></li>
 154
 155 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/04/">April (3)</a></li>
 156
 157 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/06/">June (2)</a></li>
 158
 159 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/07/">July (5)</a></li>
 160
 161 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/08/">August (3)</a></li>
 162
 163 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/09/">September (3)</a></li>
 164
 165 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/10/">October (5)</a></li>
 166
 167 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/11/">November (2)</a></li>
 168
 169 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/12/">December (4)</a></li>
 170
 171 </ul></li>
 172
 173 <li>2017
 174 <ul>
 175
 176 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/01/">January (4)</a></li>
 177
 178 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/02/">February (3)</a></li>
 179
 180 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/03/">March (5)</a></li>
 181
 182 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/04/">April (2)</a></li>
 183
 184 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/06/">June (5)</a></li>
 185
 186 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/07/">July (1)</a></li>
 187
 188 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/08/">August (1)</a></li>
 189
 190 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/09/">September (3)</a></li>
 191
 192 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/10/">October (5)</a></li>
 193
 194 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/11/">November (3)</a></li>
 195
 196 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/12/">December (4)</a></li>
 197
 198 </ul></li>
 199
 200 <li>2016
 201 <ul>
 202
 203 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/01/">January (3)</a></li>
 204
 205 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/02/">February (2)</a></li>
 206
 207 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/03/">March (3)</a></li>
 208
 209 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/04/">April (8)</a></li>
 210
 211 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/05/">May (8)</a></li>
 212
 213 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/06/">June (2)</a></li>
 214
 215 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/07/">July (2)</a></li>
 216
 217 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/08/">August (5)</a></li>
 218
 219 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/09/">September (2)</a></li>
 220
 221 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/10/">October (3)</a></li>
 222
 223 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/11/">November (8)</a></li>
 224
 225 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/12/">December (5)</a></li>
 226
 227 </ul></li>
 228
 229 <li>2015
 230 <ul>
 231
 232 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
 233
 234 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/02/">February (6)</a></li>
 235
 236 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/03/">March (1)</a></li>
 237
 238 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/04/">April (4)</a></li>
 239
 240 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/05/">May (3)</a></li>
 241
 242 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/06/">June (4)</a></li>
 243
 244 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/07/">July (6)</a></li>
 245
 246 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/08/">August (2)</a></li>
 247
 248 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/09/">September (2)</a></li>
 249
 250 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/10/">October (9)</a></li>
 251
 252 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/11/">November (6)</a></li>
 253
 254 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/12/">December (3)</a></li>
 255
 256 </ul></li>
 257
 258 <li>2014
 259 <ul>
 260
 261 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
 262
 263 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
 264
 265 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/03/">March (8)</a></li>
 266
 267 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/04/">April (7)</a></li>
 268
 269 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
 270
 271 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/06/">June (2)</a></li>
 272
 273 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
 274
 275 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
 276
 277 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
 278
 279 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/10/">October (6)</a></li>
 280
 281 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
 282
 283 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
 284
 285 </ul></li>
 286
 287 <li>2013
 288 <ul>
 289
 290 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
 291
 292 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
 293
 294 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
 295
 296 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/04/">April (6)</a></li>
 297
 298 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
 299
 300 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/06/">June (10)</a></li>
 301
 302 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
 303
 304 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
 305
 306 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
 307
 308 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
 309
 310 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
 311
 312 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
 313
 314 </ul></li>
 315
 316 <li>2012
 317 <ul>
 318
 319 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
 320
 321 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
 322
 323 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
 324
 325 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
 326
 327 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
 328
 329 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
 330
 331 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
 332
 333 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
 334
 335 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
 336
 337 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
 338
 339 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
 340
 341 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
 342
 343 </ul></li>
 344
 345 <li>2011
 346 <ul>
 347
 348 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
 349
 350 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
 351
 352 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
 353
 354 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
 355
 356 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
 357
 358 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
 359
 360 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
 361
 362 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
 363
 364 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
 365
 366 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
 367
 368 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
 369
 370 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
 371
 372 </ul></li>
 373
 374 <li>2010
 375 <ul>
 376
 377 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 378
 379 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 380
 381 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 382
 383 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 384
 385 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
 386
 387 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
 388
 389 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
 390
 391 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
 392
 393 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
 394
 395 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
 396
 397 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
 398
 399 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
 400
 401 </ul></li>
 402
 403 <li>2009
 404 <ul>
 405
 406 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 407
 408 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
 409
 410 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
 411
 412 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
 413
 414 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
 415
 416 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
 417
 418 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
 419
 420 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 421
 422 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
 423
 424 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
 425
 426 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 427
 428 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 429
 430 </ul></li>
 431
 432 <li>2008
 433 <ul>
 434
 435 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 436
 437 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 438
 439 </ul></li>
 440
 441 </ul>
 442
 443
 444
 445 <h2>Tags</h2>
 446 <ul>
 447
 448  <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (16)</a></li>
 449
 450  <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
 451
 452  <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
 453
 454  <li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
 455
 456  <li><a href="http://people.skolelinux.org/pere/blog/tags/betalkontant">betalkontant (9)</a></li>
 457
 458  <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (11)</a></li>
 459
 460  <li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (17)</a></li>
 461
 462  <li><a href="http://people.skolelinux.org/pere/blog/tags/bsa">bsa (2)</a></li>
 463
 464  <li><a href="http://people.skolelinux.org/pere/blog/tags/chrpath">chrpath (2)</a></li>
 465
 466  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (173)</a></li>
 467
 468  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (159)</a></li>
 469
 470  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian-handbook">debian-handbook (6)</a></li>
 471
 472  <li><a href="http://people.skolelinux.org/pere/blog/tags/digistan">digistan (11)</a></li>
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 515
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 531
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 563
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 566  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
 567
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 571
 572  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
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 579     </div>
 580     <p style="text-align: right">
 581  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 582 </p>
 583
 584   </body>
 585 </html>