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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2660/">https://reviewboard.asterisk.org/r/2660/</a>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">First, thanks for IPv6-ifying chan_iax2. It's been a long time coming, and I think *every* AstriDevCon we talk about it, try to make it a priority, and it never seems to quite get done. Or even started, really. So - thanks!
Olle mentioned on the asterisk-dev mailing list (http://lists.digium.com/pipermail/asterisk-dev/2013-July/061189.html) that this does suffer from a lack of support for the happy eyeballs RFC - see http://tools.ietf.org/html/rfc6555. I didn't see the branch he was referring to in his branch index (http://svn.asterisk.org/svn/asterisk/team/oej/00INDEX/branch-directory.txt) - but I could be missing it.
So, I'm not sure how much the lack of happy eyeball support impacts this work. I would hope that the management of the dual stack would occur at a lower layer than the chan_iax driver - having each of the channel drivers attempt to manage the IPv6/IPv4 fallback would get messy very quickly. At the same time, given that chan_iax tracks a peer based on its current address, there may be some ripple effects back up into chan_iax2. I'm not sure if this would have to change given Olle's patches.
Olle - what patches are you referring to? And can that work occur at a lower layer than the channel drivers?
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line1846" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct iax2_peer *find_peer(const char *name, int realtime)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if(!peer && realtime)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if(!peer && realtime)<span class="hl"> {</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">While you're here, put a space between if and (!peer):
if (!peer && realtime) {</pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line1890" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static inline struct iax2_user *user_ref(struct iax2_user *user)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>ast_sockaddr_<span class="hl">to_sin</span>(&peer->addr, &<span class="hl">peer_</span>addr)<span class="hl">;</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="hl"><span class="tb"> </span><span class="tb"> </span>if (!</span>ast_sockaddr_<span class="hl">cmp_addr</span>(&peer->addr, &addr)<span class="hl">) {</span></pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>if ((peer_addr.sin_addr.s_addr == sin.sin_addr.s_addr) &&</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span> (peer_addr.sin_port == sin.sin_port)) {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>ast_copy_string(host, peer->name, len);</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>ast_copy_string(host, peer->name, len);</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'm not sure if this matters, but this is a little bit different than the previous code.
Given an address, ast_sockaddr_cmp_addr will compare the entire sin_addr/sin6_addr field between the two addresses; it will not check the sin_port/sin6_port.
I'm not sure if the loss of the port comparison is important here or not. If not, feel free to close this issue - otherwise, a new "address/port" comparison function may be appropriate. </pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line2134" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">enum {</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if ((cur->addr.sin_addr.s_addr == sin->sin_addr.s_addr) &&</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if (!ast_sockaddr_cmp_addr(&cur->addr, addr)) {</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>(cur->addr.sin_port == sin->sin_port)) {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>/* This is the main host */</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>/* This is the main host */</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>if ( (cur->peercallno == 0 || cur->peercallno == callno) &&</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>if ( (cur->peercallno == 0 || cur->peercallno == callno) &&</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span> (check_dcallno ? dcallno == cur->callno : 1) ) {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span> (check_dcallno ? dcallno == cur->callno : 1) ) {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>/* That's us. Be sure we keep track of the peer call number */</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>/* That's us. Be sure we keep track of the peer call number */</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>return 1;</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>return 1;</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>}</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if ((cur->transfer.sin_addr.s_addr == sin->sin_addr.s_addr) &&</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if (!ast_sockaddr_cmp_addr(&cur->transfer, addr) && cur->transferring) {</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Same address/port matching finding here.</pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line5676" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>if ((peer_addr.sin_addr.s_addr == sin.sin_addr.s_addr) &&</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>if (!ast_sockaddr_cmp_addr(&peer->addr, &addr)) {</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span> (peer_addr.sin_port == sin.sin_port)) {</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Address/port comparison here as well</pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line7109" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static char *handle_cli_iax2_show_registry(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>snprintf(perceived, sizeof(perceived),</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>(ast_sockaddr_is_ipv4(&reg->addr) || ast_sockaddr_is_ipv4_mapped(&reg->addr)) ?<span class="ew"> </span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="ew"> <span class="tb"> </span></span>IPV4FORMAT : IPV6FORMAT, str_addr, str_port);</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>} else {</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">A few red blobs through here</pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line8580" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int iax2_append_register(const char *hostname, const char *username,</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>/* register => user[:secret][:[rsakey]]@host[:port] */</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Remove?</pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line12170" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_channel *iax2_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>ast_parse_arg(pds.port, PARSE_UINT32 | PARSE_IN_RANGE, &bindport, 0, 65535);</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Check for the return of ast_parse_arg. Without PARSE_RANGE_DEFAULTS, a range error will not set the value to low/high and will return an error. If they provide an invalid port, we shouldn't set it on addr.</pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line12727" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct iax2_peer *build_peer(const char *name, struct ast_variable *v, struct ast_variable *alt, int temponly)</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Remove</pre>
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<a href="https://reviewboard.asterisk.org/r/2660/diff/1/?file=41166#file41166line13296" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_iax2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int set_config(const char *config_file, int reload, int forced)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>if (ast_parse_arg(v->value, PARSE_ADDR|PARSE_PORT_IGNORE, NULL)) {</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'd throw some spaces between ADDR and PORT:
PARSE_ADDR | PARSE_PORT_IGNORE</pre>
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<p>- Matt</p>
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<p>On July 6th, 2013, 1:54 a.m. UTC, Michael Young wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Michael Young.</div>
<p style="color: grey;"><i>Updated July 6, 2013, 1:54 a.m.</i></p>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-22025">ASTERISK-22025</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This patch adds the ability to bind and communicate over IPv6 addresses using chan_iax2.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Successfully made calls using iax2 over IPv6 between two dev machines. SIP Softphone -> dev vm (iax2 ipv6) -> (iax2 ipv6) dev box -> SIP ITSP -> mobile phone</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/main/netsock.c <span style="color: grey">(393737)</span></li>
<li>/trunk/main/acl.c <span style="color: grey">(393737)</span></li>
<li>/trunk/include/asterisk/acl.h <span style="color: grey">(393737)</span></li>
<li>/trunk/contrib/realtime/mysql/iaxfriends.sql <span style="color: grey">(393737)</span></li>
<li>/trunk/channels/iax2/parser.c <span style="color: grey">(393737)</span></li>
<li>/trunk/channels/iax2/include/parser.h <span style="color: grey">(393737)</span></li>
<li>/trunk/channels/iax2/include/iax2.h <span style="color: grey">(393737)</span></li>
<li>/trunk/channels/chan_iax2.c <span style="color: grey">(393737)</span></li>
<li>/trunk/CHANGES <span style="color: grey">(393737)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2660/diff/" style="margin-left: 3em;">View Diff</a></p>
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