Actually you can&#39;t get any guarantees in case of PSTN too :)<br><br><div class="gmail_quote">2011/5/19 Steven Ayre <span dir="ltr">&lt;<a href="mailto:steveayre@gmail.com">steveayre@gmail.com</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
There&#39;s no way of knowing really.<br><br>You can send any CID you like in SIP. They might own 4433669222 in real life, they might not. You only really get a guarantee it&#39;s genuine if it&#39;s coming off the PSTN.<br>


<br>All I can tell you is 44336 is a valid UK phone number prefix (<a href="http://en.wikipedia.org/wiki/03_numbers" target="_blank">http://en.wikipedia.org/wiki/03_numbers</a>).<br><br>-Steve<div><div class="h5"><br><br>
<br><br><div class="gmail_quote">On 19 May 2011 03:01, mazilo <span dir="ltr">&lt;<a href="mailto:Nabble@slickdeals.endjunk.com" target="_blank">Nabble@slickdeals.endjunk.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Today, after my phone rang with a CID of (443)366-9222, I took a look at<br>
/var/log/freeswitch/freeswitch.log file on my Seagate DockStar (excerpted<br>
below). What caught my attention is the last line which shows two numbers,<br>
namely 4433669222 and 4016488312. The question I have is if 4433669222 is a<br>
spoofed number?<br>
<br>
2011-05-18 12:54:03.258849 [NOTICE] switch_channel.c:812 New Channel<br>
sofia/external/4433669222@64.154.<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia.c:4744 Channel<br>
sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a> enteri<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia.c:4755 Remote SDP:<br>
v=0^M<br>
o=root 241964608 241964608 IN IP4 64.154.41.150^M<br>
s=Asterisk PBX 1.6.2.13^M<br>
c=IN IP4 64.154.41.150^M<br>
t=0 0^M<br>
m=audio 10730 RTP/AVP 0 8 3 18 101^M<br>
a=rtpmap:0 PCMU/8000^M<br>
a=rtpmap:8 PCMA/8000^M<br>
a=rtpmap:3 GSM/8000^M<br>
a=rtpmap:18 G729/8000^M<br>
a=fmtp:18 annexb=no^M<br>
a=rtpmap:101 telephone-event/8000^M<br>
a=fmtp:101 0-16^M<br>
a=ptime:20^M<br>
<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia_glue.c:4637 Audio Codec Compare<br>
[PCMU:0:8000:20:64000]/[G7221<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia_glue.c:4637 Audio Codec Compare<br>
[PCMU:0:8000:20:64000]/[G7221<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia_glue.c:4637 Audio Codec Compare<br>
[PCMU:0:8000:20:64000]/[G722:<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia_glue.c:4637 Audio Codec Compare<br>
[PCMU:0:8000:20:64000]/[PCMU:<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia_glue.c:2760 Set Codec<br>
sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a><br>
2011-05-18 12:54:03.258849 [DEBUG] sofia_glue.c:4751 Set 2833 dtmf send/recv<br>
payload to 101<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia.c:4922<br>
(sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a>) State Change<br>
<br>
2011-05-18 12:54:03.258849 [DEBUG] sofia.c:4922<br>
(sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a>) State Change<br>
2011-05-18 12:54:03.258849 [DEBUG] switch_core_session.c:1116 Send signal<br>
sofia/external/4433669222@64<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_core_state_machine.c:320<br>
(sofia/external/4433669222@64.154.4<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_core_state_machine.c:356<br>
(sofia/external/4433669222@64.154.4<br>
2011-05-18 12:54:03.265631 [DEBUG] mod_sofia.c:84<br>
sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a> SOFIA INIT<br>
2011-05-18 12:54:03.265631 [DEBUG] mod_sofia.c:124<br>
(sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a>) State Cha<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_core_session.c:1116 Send signal<br>
sofia/external/4433669222@64<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_core_state_machine.c:356<br>
(sofia/external/4433669222@64.154.4<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_core_state_machine.c:320<br>
(sofia/external/4433669222@64.154.4<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_channel.c:1668<br>
(sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a>) Cal<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_core_state_machine.c:359<br>
(sofia/external/4433669222@64.154.4<br>
2011-05-18 12:54:03.265631 [DEBUG] mod_sofia.c:147<br>
sofia/external/<a href="mailto:4433669222@64.154.41.150" target="_blank">4433669222@64.154.41.150</a> SOFIA ROUTI<br>
2011-05-18 12:54:03.265631 [DEBUG] switch_core_state_machine.c:77<br>
sofia/external/<a href="mailto:4433669222@64.154.41." target="_blank">4433669222@64.154.41.</a><br>
2011-05-18 12:54:03.265631 [INFO] mod_dialplan_xml.c:331 Processing<br>
4433669222 &lt;4433669222&gt;-&gt;401648831<br>
<br>
<br>
-----<br>
FreeSWITCH hosted on a Seagate DockStar with OpenWRT and ONLY consumes 3 Watts of electricity.<br>
--<br>
View this message in context: <a href="http://freeswitch-users.2379917.n2.nabble.com/Spoofed-CID-tp6380373p6380373.html" target="_blank">http://freeswitch-users.2379917.n2.nabble.com/Spoofed-CID-tp6380373p6380373.html</a><br>



Sent from the freeswitch-users mailing list archive at Nabble.com.<br>
<br>
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</blockquote></div><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Best regards,<br><br>Dmitry Sytchev,<br>IT Engineer<br>