<div dir="ltr"><div><div>Hi Daniel,<br><br></div>Thank you for reply.<br></div> <br><div class="gmail_extra"><div class="gmail_quote">On Tue, Jan 17, 2017 at 6:05 PM, Daniel-Constantin Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>Hello,</p>
<p>apparently I missed the follow ups on this discussion, dragged in
by other topics on mailing list. <br></p></div></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF">
<p>Can you get the pcap with all the traffic taken on kamailio
server for the call (from initial invite to the end of the call)?</p></div></blockquote><div>I send you the pcap at enclosed file. You can see the packet <b>No.5 </b>, it missing SIP message body:<br><i><b> Media Attribute (a): rtpmap:8 PCMA/8000</b></i><div><i><b> Media Attribute (a): rtpmap:101 telephone-event/8000</b></i></div><div><i><b> Media Attribute (a): fmtp:101 0-16</b></i></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF"><p>
I expect that content length is mismatching or there is a '\0'
inside the sdp.</p></div></blockquote><div>Can you explain me more about this ? <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF"><div><div class="gmail-h5">
<p><br>
</p>
<div class="gmail-m_-1620117071232287440moz-cite-prefix">On 06/01/2017 03:39, Hai Bui Duc Ha
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hello Daniel,
<div><br>
</div>
<div>Thank for reply !</div>
<div><br>
</div>
<div><span style="font-size:12.8px">do you have the pcap for
such message?</span><br>
</div>
<div><br>
</div>
<blockquote style="margin:0px 0px 0px 40px;border-width:medium;border-style:none;border-color:-moz-use-text-color;padding:0px">
<div>Here is the message, I capture via Wireshark on client:</div>
<div>
<div><i>Session Initiation Protocol (INVITE)</i></div>
</div>
<div>
<div><i> Request-Line: INVITE <a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.anttel-<wbr>pro.ab-kz-02.antbuddy.com</a>
SIP/2.0</i></div>
</div>
<div>
<div><i> Message Header</i></div>
</div>
<div>
<div><i> Via: SIP/2.0/TCP
10.0.2.15:57735;rport;branch=<wbr>z9hG4bKPjaXcUF2ZkxyQGYCb3a57cP<wbr>Q3rkcKMY.eS;alias</i></div>
</div>
<div>
<div><i> Max-Forwards: 70</i></div>
</div>
<div>
<div><i> From: "Phap Huynh" <<a href="mailto:sip%3Ahuynhngocphap@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:huynhngocphap@happy.<wbr>anttel-pro.ab-kz-02.antbuddy.<wbr>com</a>>;tag=zJBNvD67y3E.<wbr>1I5Y5ZrRI4JmP5JKeNWO</i></div>
</div>
<div>
<div><i> To: <<a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.anttel-<wbr>pro.ab-kz-02.antbuddy.com</a>></i></div>
</div>
<div>
<div><i> Contact:
<a class="gmail-m_-1620117071232287440moz-txt-link-rfc2396E"><sip:huynhngocphap@49.156.54.<wbr>54:50785;transport=TCP;ob></a></i></div>
</div>
<div>
<div><i> Call-ID: ftMudIpIQeKWwP8kQDi2z1S0D1sV3K<wbr>aB</i></div>
</div>
<div>
<div><i> CSeq: 29055 INVITE</i></div>
</div>
<div>
<div><i> Route:
<a class="gmail-m_-1620117071232287440moz-txt-link-rfc2396E"><sip:125.212.212.40;transport=<wbr>tcp;lr></a></i></div>
</div>
<div>
<div><i> Allow: PRACK, INVITE, ACK, BYE, CANCEL,
UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS</i></div>
</div>
<div>
<div><i> Supported: replaces, 100rel, timer,
norefersub</i></div>
</div>
<div>
<div><i> Session-Expires: 1800</i></div>
</div>
<div>
<div><i> Min-SE: 9</i></div>
</div>
<div>
<div><i> User-Agent: CSipSimple_hlteatt-19/r55</i></div>
</div>
<div>
<div><i> [truncated]Proxy-<wbr>Authorization: Digest
username="huynhngocphap", realm="<a href="http://happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">happy.anttel-pro.ab-kz-<wbr>02.antbuddy.com</a>",
nonce="452a7bce-d326-11e6-<wbr>a605-e9dce514db6e", uri="<a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.<wbr>anttel-pro.ab-kz-02.antbuddy.<wbr>com</a>",
response="71749de</i></div>
</div>
<div>
<div><i> Content-Type: application/sdp</i></div>
</div>
<div>
<div><i> Content-Length: 299</i></div>
</div>
<div>
<div><i> Message Body</i></div>
</div>
<div>
<div><i> Session Description Protocol</i></div>
</div>
<div>
<div><i> Session Description Protocol Version
(v): 0</i></div>
</div>
<div>
<div><i> Owner/Creator, Session Id (o): -
3692596134 3692596134 IN IP4 10.0.2.15</i></div>
</div>
<div>
<div><i> Session Name (s): pjmedia</i></div>
</div>
<div>
<div><i> Connection Information (c): IN IP4
10.0.2.15</i></div>
</div>
<div>
<div><i> Time Description, active time (t): 0 0</i></div>
</div>
<div>
<div><i> Media Description, name and address (m):
audio 4002 RTP/AVP 9 0 8 101</i></div>
</div>
<div>
<div><i> Connection Information (c): IN IP4
10.0.2.15</i></div>
</div>
<div>
<div><i> Media Attribute (a): rtcp:4003 IN IP4
10.0.2.15</i></div>
</div>
<div>
<div><i> Media Attribute (a): sendrecv</i></div>
</div>
<div>
<div><i> Media Attribute (a): rtpmap:9 G722/8000</i></div>
</div>
<div>
<div><i> Media Attribute (a): rtpmap:0 PCMU/8000</i></div>
</div>
<div>
<div><i><b> Media Attribute (a): rtpmap:8
PCMA/8000</b></i></div>
</div>
<div>
<div><i><b> Media Attribute (a): rtpmap:101
telephone-event/8000</b></i></div>
</div>
<div>
<div><i><b> Media Attribute (a): fmtp:101 0-16</b></i></div>
</div>
<div><i><b><br>
</b></i></div>
<div>And this is message I receive on Freeswitch:</div>
<div>
<div> -----------------------------<wbr>------------------------------<wbr>-------------</div>
</div>
<div>
<div> INVITE <a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.anttel-<wbr>pro.ab-kz-02.antbuddy.com</a>
SIP/2.0</div>
</div>
<div>
<div> Record-Route:
<a class="gmail-m_-1620117071232287440moz-txt-link-rfc2396E"><sip:125.212.212.40;transport=<wbr>tcp;lr=on;ftag=zJBNvD67y3E.<wbr>1I5Y5ZrRI4JmP5JKeNWO></a></div>
</div>
<div>
<div> Via: SIP/2.0/TCP
125.212.212.40:5060;branch=<wbr>z9hG4bK0d89.<wbr>3807a4cf41ce9b48a7d1a75826762d<wbr>6e.0;i=533c</div>
</div>
<div>
<div> Via: SIP/2.0/TCP
10.0.2.15:57735;received=49.<wbr>156.54.54;rport=50785;branch=<wbr>z9hG4bKPjaXcUF2ZkxyQGYCb3a57cP<wbr>Q3rkcKMY.eS;alias</div>
</div>
<div>
<div> Max-Forwards: 50</div>
</div>
<div>
<div> From: "Phap Huynh" <<a href="mailto:sip%3Ahuynhngocphap@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:huynhngocphap@happy.<wbr>anttel-pro.ab-kz-02.antbuddy.<wbr>com</a>>;tag=zJBNvD67y3E.<wbr>1I5Y5ZrRI4JmP5JKeNWO</div>
</div>
<div>
<div> To: <<a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.anttel-<wbr>pro.ab-kz-02.antbuddy.com</a>></div>
</div>
<div>
<div> Contact:
<a class="gmail-m_-1620117071232287440moz-txt-link-rfc2396E"><sip:huynhngocphap@49.156.54.<wbr>54:50785;transport=TCP;ob></a></div>
</div>
<div>
<div> Call-ID: ftMudIpIQeKWwP8kQDi2z1S0D1sV3K<wbr>aB</div>
</div>
<div>
<div> CSeq: 29055 INVITE</div>
</div>
<div>
<div> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE,
INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS</div>
</div>
<div>
<div> Supported: replaces, 100rel, timer, norefersub</div>
</div>
<div>
<div> Session-Expires: 1800</div>
</div>
<div>
<div> Min-SE: 9</div>
</div>
<div>
<div> User-Agent: CSipSimple_hlteatt-19/r55</div>
</div>
<div>
<div> Proxy-Authorization: Digest
username="huynhngocphap", realm="<a href="http://happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">happy.anttel-pro.ab-kz-<wbr>02.antbuddy.com</a>",
nonce="452a7bce-d326-11e6-<wbr>a605-e9dce514db6e", uri="<a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.<wbr>anttel-pro.ab-kz-02.antbuddy.<wbr>com</a>",
response="<wbr>71749de35a220aef0b92c9ade03f90<wbr>b7",
algorithm=MD5, cnonce="px.OiQUg2zZmYh.0-<wbr>MmLC0f.-ZPXYa1V",
qop=auth, nc=00000001</div>
</div>
<div>
<div> Content-Type: application/sdp</div>
</div>
<div>
<div> Content-Length: 289</div>
</div>
<div>
<div> X-AUTH-IP: 49.156.54.54</div>
</div>
<div>
<div> X-AUTH-PORT: 50785</div>
</div>
<div>
<div><br>
</div>
</div>
<div>
<div> v=0</div>
</div>
<div>
<div> o=- 3692596134 3692596134 IN IP4 49.156.54.54</div>
</div>
<div>
<div> s=pjmedia</div>
</div>
<div>
<div> c=IN IP4 49.156.54.54</div>
</div>
<div>
<div> t=0 0</div>
</div>
<div>
<div> m=audio 4002 RTP/AVP 9 0 8 101</div>
</div>
<div>
<div> c=IN IP4 49.156.54.54</div>
</div>
<div>
<div> a=rtcp:4003</div>
</div>
<div>
<div> a=sendrecv</div>
</div>
<div>
<div> a=rtpmap:9 G722/8000</div>
</div>
<div>
<div> a=rtpmap:0 PCMU/8000</div>
</div>
<div>
<div> a=oldmediaip:10.0.2.15</div>
</div>
<div>
<div> a=oldmediaip:10.0.2.15</div>
</div>
<div>
<div> a=oldmediaip:10.0.2.15</div>
</div>
<div>
<div>
-----------------------------<wbr>------------------------------<wbr>-------------</div>
</div>
</blockquote>
<div><br>
</div>
<div>You can see, it missing:</div>
<div><i><b> Media Attribute (a): rtpmap:8 PCMA/8000</b></i></div>
<div><i><b> Media Attribute (a): rtpmap:101
telephone-event/8000</b></i></div>
<div><i><b> Media Attribute (a): fmtp:101 0-16</b></i></div>
<div><br>
</div>
<div> <span style="font-size:12.8px">Is it happening for the ACK
you pasted or some other message?</span></div>
<blockquote style="margin:0px 0px 0px 40px;border-width:medium;border-style:none;border-color:-moz-use-text-color;padding:0px">
<div><span style="font-size:12.8px">It only happen on ACK
messages, when my client reply 200 OK /SDP to server to
establish call.</span></div>
</blockquote>
<div><br>
</div>
<div>For more detail: I use another soft phone on Android like
Zoiper and test with the same scenario, it work ok. And when
my client use 3G, it still work ok.</div>
<div><br>
</div>
<div>Regards,</div>
<div>Hai Bui</div>
<div><br>
</div>
<div><i><b><br>
</b></i></div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Jan 5, 2017 at 10:25 PM,
Daniel-Constantin Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>Hello,</p>
<p>do you have the pcap for such message? Is it happening
for the ACK you pasted or some other message?</p>
<p>Cheers,<br>
Daniel<br>
</p>
<div>
<div class="gmail-m_-1620117071232287440h5"> <br>
<div class="gmail-m_-1620117071232287440m_-6112597045264792776moz-cite-prefix">On
05/01/2017 12:16, Hai Bui Duc Ha wrote:<br>
</div>
</div>
</div>
<blockquote type="cite">
<div>
<div class="gmail-m_-1620117071232287440h5">
<div dir="ltr">Hi all,
<div><br>
</div>
<div>I have problem when make call with my Android
mobile use PJSIP library.</div>
<div>Scenario:</div>
<div><br>
</div>
<div>my client -> Kamailio -> Freeswitch
(media server) -> another client (soft phone
on Windows)</div>
<div><br>
</div>
<div>my client:</div>
<div> + use Bluestack</div>
<div> + Capture via Wireshark</div>
<div> + use Wifi</div>
<div><br>
</div>
<div>Issue: The call will be drop after ~ 30
second.</div>
<div><br>
</div>
<div>I see the error on Kamailio:</div>
<div>
<div><i>Jan 5 16:08:59 ab-kz-02 kamailio[6343]:
ERROR: <core>
[parser/parse_fline.c:257]:
parse_first_line(): parse_first_line: bad
message (offset: 13)</i></div>
<div><i>Jan 5 16:08:59 ab-kz-02 kamailio[6343]:
ERROR: <core>
[parser/parse_fline.c:257]:
parse_first_line(): parse_first_line: bad
message (offset: 13)</i></div>
<div><i>Jan 5 16:08:59 ab-kz-02 kamailio[6343]:
ERROR: <core>
[parser/msg_parser.c:690]: parse_msg():
ERROR: parse_msg: message=<p:8
PCMA/8000#015#012a=rtpmap:101
telephone-event/8000#015#012a=<wbr>fmtp:101
0-16#015#012ACK <a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-freetext">sip:buiduchahai@125.212.212.36<wbr>:11000;transport=tcp</a>
SIP/2.0#015#012Via: SIP/2.0/TCP
10.0.2.15:57735;rport;branch=z<wbr>9hG4bKPjlgc13AjrUrFJHq60vWhGqs<wbr>UaGXi2F98Z;alias#015#012Max-Fo<wbr>rwards:
70#015#012From: "Phap Huynh" <<a href="mailto:sip%3Ahuynhngocphap@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:huynhngocphap@happy.antte<wbr>l-pro.ab-kz-02.antbuddy.com</a>>;<wbr>tag=zJBNvD67y3E.1I5Y5ZrRI4JmP5<wbr>JKeNWO#015#012To:
<<a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.anttel-<wbr>pro.ab-kz-02.antbuddy.com</a>>;tag<wbr>=2SF4D790Zy6Kj#015#012Call-ID:
ftMudIpIQeKWwP8kQDi2z1S0D1sV3K<wbr>aB#015#012CSeq:
29055 ACK#015#012Route:
<a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-rfc2396E"><sip:125.212.212.40;transport=<wbr>tcp;lr;ftag=zJBNvD67y3E.1I5Y5Z<wbr>rRI4JmP5JKeNWO></a>#015#012Content<wbr>-Length:
0#015#012#015#012></i></div>
<div><i>Jan 5 16:08:59 ab-kz-02 kamailio[6343]:
ERROR: <core> [receive.c:129]:
receive_msg(): core parsing of SIP message
failed (<a href="http://49.156.54.54:50785/2" target="_blank">49.156.54.54:50785/2</a>)</i></div>
</div>
<div><br>
</div>
<div>Seem to the server error when parse</div>
<div>(on INVITE SDP)</div>
<i>a=rtpmap:8 PCMA/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-16</i>
<div><br clear="all">
<div>(on new ACK message)</div>
<div>
<div><i>ACK <a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-freetext">sip:buiduchahai@125.212.212.36<wbr>:11000;transport=tcp</a>
SIP/2.0</i></div>
<div><i>Via: SIP/2.0/TCP
10.0.2.15:57735;rport;branch=z<wbr>9hG4bKPjlgc13AjrUrFJHq60vWhGqs<wbr>UaGXi2F98Z;alias</i></div>
<div><i>Max-Forwards: 70</i></div>
<div><i>From: "Phap Huynh" <<a href="mailto:sip%3Ahuynhngocphap@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:huynhngocphap@happy.antte<wbr>l-pro.ab-kz-02.antbuddy.com</a>>;<wbr>tag=zJBNvD67y3E.1I5Y5ZrRI4JmP5<wbr>JKeNWO</i></div>
<div><i>To: <<a href="mailto:sip%3Abuiduchahai@happy.anttel-pro.ab-kz-02.antbuddy.com" target="_blank">sip:buiduchahai@happy.anttel-<wbr>pro.ab-kz-02.antbuddy.com</a>>;tag<wbr>=2SF4D790Zy6Kj</i></div>
<div><i>Call-ID:
ftMudIpIQeKWwP8kQDi2z1S0D1sV3K<wbr>aB</i></div>
<div><i>CSeq: 29055 ACK</i></div>
<div><i>Route:
<a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-rfc2396E"><sip:125.212.212.40;transport=<wbr>tcp;lr;ftag=zJBNvD67y3E.1I5Y5Z<wbr>rRI4JmP5JKeNWO></a></i></div>
<div><i>Content-Length: 0</i></div>
</div>
<div><br>
</div>
<div>I think the SIP message is fragmented but
when resume package is not correct.</div>
<div>Do you have any advice ? Thank you for
watching !</div>
<div><br>
</div>
<div>Regards,</div>
<div>Hai Bui</div>
<div><br>
</div>
<div><br>
</div>
-- <br>
<div class="gmail-m_-1620117071232287440m_-6112597045264792776gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div>Hai Bui<br>
</div>
<div>VoIP engineer, Cvoice team,
HTK-HCM Office<br>
</div>
<div>
<div dir="ltr"><span><font color="#888888">
<div> <font color="#000066">Mobile:
+84-165-618-9876<br>
</font></div>
</font></span></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
<fieldset class="gmail-m_-1620117071232287440m_-6112597045264792776mimeAttachmentHeader"></fieldset>
<br>
</div>
</div>
<pre>______________________________<wbr>_________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
<a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-abbreviated" href="mailto:sr-users@lists.sip-router.org" target="_blank">sr-users@lists.sip-router.org</a>
<a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-freetext" href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users" target="_blank">http://lists.sip-router.org/cg<wbr>i-bin/mailman/listinfo/sr-user<wbr>s</a><span class="gmail-m_-1620117071232287440HOEnZb"><font color="#888888">
</font></span></pre><span class="gmail-m_-1620117071232287440HOEnZb"><font color="#888888">
</font></span></blockquote><span class="gmail-m_-1620117071232287440HOEnZb"><font color="#888888">
<pre class="gmail-m_-1620117071232287440m_-6112597045264792776moz-signature" cols="72">--
Daniel-Constantin Mierla
<a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-abbreviated" href="http://www.twitter.com/miconda" target="_blank">www.twitter.com/miconda</a> -- <a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-abbreviated" href="http://www.linkedin.com/in/miconda" target="_blank">www.linkedin.com/in/miconda</a>
Kamailio World Conference - May 8-10, 2017 - <a class="gmail-m_-1620117071232287440m_-6112597045264792776moz-txt-link-abbreviated" href="http://www.kamailioworld.com" target="_blank">www.kamailioworld.com</a></pre>
</font></span></div>
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<a href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users" rel="noreferrer" target="_blank">http://lists.sip-router.org/cg<wbr>i-bin/mailman/listinfo/sr-user<wbr>s</a>
</blockquote></div>
<div>
</div>--
<div class="gmail-m_-1620117071232287440gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Hai Bui
</div><div>VoIP engineer, Cvoice team, HTK-HCM Office
</div><div><div dir="ltr"><span><font color="#888888"><div>
<font color="#000066">Mobile: +84-165-618-9876
</font></div></font></span></div></div></div></div></div></div></div></div>
</div>
</blockquote>
<pre class="gmail-m_-1620117071232287440moz-signature" cols="72">--
Daniel-Constantin Mierla
<a class="gmail-m_-1620117071232287440moz-txt-link-abbreviated" href="http://www.twitter.com/miconda" target="_blank">www.twitter.com/miconda</a> -- <a class="gmail-m_-1620117071232287440moz-txt-link-abbreviated" href="http://www.linkedin.com/in/miconda" target="_blank">www.linkedin.com/in/miconda</a>
Kamailio World Conference - May 8-10, 2017 - <a class="gmail-m_-1620117071232287440moz-txt-link-abbreviated" href="http://www.kamailioworld.com" target="_blank">www.kamailioworld.com</a></pre></div></div></div></blockquote></div><br></div><div class="gmail_extra">Regrads,<br></div><div class="gmail_extra">Hai Bui<br clear="all"></div><div class="gmail_extra"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Hai Bui<br></div><div>VoIP engineer, Cvoice team, HTK-HCM Office<br></div><div><div dir="ltr"><span><font color="#888888"><div>
<font color="#000066">Mobile: +84-165-618-9876<br></font></div><div><font color="#000066"></font><div><font color="#000066"></font></div></div></font></span></div></div></div></div></div></div></div></div>
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