Hello Users....<br><br>For me The Hung up ( Bye Request not coming to SIP server )&nbsp; not properly taking Take............... :P<br><br>Below&nbsp; I metioned the Ngrepped messages.... Help me ........<br><br>2006/11/14 03:01:04.129657
 <a href="http://61.17.248.68:5831">61.17.248.68:5831</a> -&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060</a><br>&nbsp; INVITE <a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a> SIP/2.0..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">
192.168.2.20:5060</a>;rport;branch=z9hG4bK3F90EDDDCA6F4BD7A0B044CB585A28B9..f: siri &lt;<a href="mailto:sip:101@24.99.145.1">sip:101@24.99.145.1</a><br>&nbsp; 4&gt;;tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">
sip:102@24.99.145.14</a>&gt;..m: &lt;sip:101@192.168.2.20:5060&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20..CSeq: 41383 INVITE..<br>&nbsp; Max-Forwards: 70..c: application/sdp..User-Agent: X-Lite release 1103m..l: 135....v=0..o=101 9577234 9577250 IN IP4 
192.168.2.20..s=X-Lite..c=IN IP4 192<br>&nbsp; .168.2.20..t=0 0..m=audio 12222 RTP/AVP 0..a=rtpmap:0 pcmu/8000..<br><br>U 2006/11/14 03:01:04.130618 <a href="http://192.168.2.90:5060">192.168.2.90:5060</a> -&gt; <a href="http://61.17.248.68:5831">
61.17.248.68:5831</a><br>&nbsp; SIP/2.0 407 Proxy Authentication Required..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;rport=5831;branch=z9hG4bK3F90EDDDCA6F4BD7A0B044CB585A28B9;received=61.17.248<br>
&nbsp; .68..f: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;;tag=952b5d87ce2effa04bc4206000ec51df.2411..i:
 CB3623BF-158D-4124-A1D6-877D<br>&nbsp; 2673BBD4@192.168.2.20..CSeq: 41383 INVITE..Proxy-Authenticate: Digest realm=&quot;<a href="http://24.99.145.14">24.99.145.14</a>&quot;, nonce=&quot;455978ece372d35484e2a5f0010e0766a823f3a6&quot;..Server: Op
<br>&nbsp; enSer (1.1.0-notls (i386/linux))..Content-Length: 0..Warning: 392 <a href="http://192.168.2.90:5060">192.168.2.90:5060</a> &quot;Noisy feedback tells:&nbsp; pid=4701 req_src_ip=<a href="http://61.17.248.68">61.17.248.68</a>
 req_src_por<br>&nbsp; t=5831 in_uri=<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a> out_uri=<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a> via_cnt==1&quot;....<br><br>U 2006/11/14 03:01:04.628174
 <a href="http://61.17.248.68:5831">61.17.248.68:5831</a> -&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060</a><br>&nbsp; ACK <a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a> SIP/2.0..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">
192.168.2.20:5060</a>;rport;branch=z9hG4bK3F90EDDDCA6F4BD7A0B044CB585A28B9..f: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;<br>&nbsp; tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">
sip:102@24.99.145.14</a>&gt;;tag=952b5d87ce2effa04bc4206000ec51df.2411..m: &lt;sip:101@192.168.2.20:5060&gt;..i: CB3623BF-158D-4124-A1D6-877D2673<br>&nbsp; BBD4@192.168.2.20..CSeq: 41383 ACK..Max-Forwards: 70..l: 0....<br><br>
U 2006/11/14 03:01:04.642913 <a href="http://61.17.248.68:5831">61.17.248.68:5831</a> -&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060</a><br>&nbsp; INVITE <a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>
 SIP/2.0..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;rport;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6..f: siri &lt;<a href="mailto:sip:101@24.99.145.1">sip:101@24.99.145.1</a><br>&nbsp; 4&gt;;tag=3410236415..t: &lt;
<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;..m: &lt;sip:101@192.168.2.20:5060&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20..CSeq: 41384 INVITE..<br>&nbsp; Proxy-Authorization: Digest username=&quot;101&quot;,realm=&quot;
<a href="http://24.99.145.14">24.99.145.14</a>&quot;,nonce=&quot;455978ece372d35484e2a5f0010e0766a823f3a6&quot;,response=&quot;3f35a6a54ac7c9695824c5443a9bf<br>&nbsp; 512&quot;,uri=&quot;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14
</a>&quot;..Max-Forwards: 70..c: application/sdp..User-Agent: X-Lite release 1103m..l: 135....v=0..o=101 9577234 9577250 IN IP4 192<br>&nbsp; .168.2.20..s=X-Lite..c=IN IP4 192.168.2.20..t=0 0..m=audio 12222 RTP/AVP 0..a=rtpmap:0 pcmu/8000..
<br><br>U 2006/11/14 03:01:04.644799 <a href="http://192.168.2.90:5060">192.168.2.90:5060</a> -&gt; <a href="http://61.17.248.68:5831">61.17.248.68:5831</a><br>&nbsp; SIP/2.0 100 trying -- your call is important to us..v: SIP/2.0/UDP 
<a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6;received=<br>&nbsp; 61.17.248.68..f: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;tag=3410236415..t: &lt;
<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20..CSeq: 4138<br>&nbsp; 4 INVITE..Server: OpenSer (1.1.0-notls (i386/linux))..Content-Length: 0..Warning: 392 
<a href="http://192.168.2.90:5060">192.168.2.90:5060</a> &quot;Noisy feedback tells:&nbsp; pid=4701 req_src_ip=61.1<br>&nbsp; 7.248.68 req_src_port=5831 in_uri=<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a> out_uri=
sip:102@192.168.2.45:5060 via_cnt==1&quot;....<br><br>U 2006/11/14 03:01:04.645093 <a href="http://192.168.2.90:5060">192.168.2.90:5060</a> -&gt; <a href="http://61.17.248.68:5060">61.17.248.68:5060</a><br>&nbsp; INVITE sip:102@192.168.2.45
:5060 SIP/2.0..Record-Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=3410236415&gt;..Via: SIP/2.0/UDP <a href="http://192.168.2.90">192.168.2.90</a>;branch=z9hG4bK535d.31f40<br>&nbsp; 331.0..v: SIP/2.0/UDP 
<a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68</a>;rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6..f: siri &lt;<a href="mailto:sip:101@24.99.145.14">
sip:101@24.99.145.14</a>&gt;;<br>&nbsp; tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;..m: &lt;sip:101@61.17.248.68:5831&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20..CSeq: 41384 INVITE..Pro
<br>&nbsp; xy-Authorization: Digest username=&quot;101&quot;,realm=&quot;<a href="http://24.99.145.14">24.99.145.14</a>&quot;,nonce=&quot;455978ece372d35484e2a5f0010e0766a823f3a6&quot;,response=&quot;3f35a6a54ac7c9695824c5443a9bf512
<br>&nbsp; &quot;,uri=&quot;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&quot;..Max-Forwards: 69..c: application/sdp..User-Agent: X-Lite release 1103m..Content-Length: 162....v=0..o=101 9577234 9577250<br>&nbsp; IN IP4 
192.168.2.20..s=X-Lite..c=IN IP4 61.17.248.68..t=0 0..m=audio 12222 RTP/AVP 0..a=rtpmap:0 pcmu/8000..a=oldmediaip:<a href="http://192.168.2.20">192.168.2.20</a>..<br><br>U 2006/11/14 03:01:05.223317 <a href="http://192.168.2.90:5060">
192.168.2.90:5060</a> -&gt; <a href="http://61.17.248.68:5060">61.17.248.68:5060</a><br>&nbsp; INVITE sip:102@192.168.2.45:5060 SIP/2.0..Record-Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=3410236415&gt;..Via: SIP/2.0/UDP 
<a href="http://192.168.2.90">192.168.2.90</a>;branch=z9hG4bK535d.31f40<br>&nbsp; 331.0..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68</a>;rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6..f: siri &lt;
<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;<br>&nbsp; tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;..m: &lt;sip:101@61.17.248.68:5831&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20
..CSeq: 41384 INVITE..Pro<br>&nbsp; xy-Authorization: Digest username=&quot;101&quot;,realm=&quot;<a href="http://24.99.145.14">24.99.145.14</a>&quot;,nonce=&quot;455978ece372d35484e2a5f0010e0766a823f3a6&quot;,response=&quot;3f35a6a54ac7c9695824c5443a9bf512
<br>&nbsp; &quot;,uri=&quot;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&quot;..Max-Forwards: 69..c: application/sdp..User-Agent: X-Lite release 1103m..Content-Length: 162....v=0..o=101 9577234 9577250<br>&nbsp; IN IP4 
192.168.2.20..s=X-Lite..c=IN IP4 61.17.248.68..t=0 0..m=audio 12222 RTP/AVP 0..a=rtpmap:0 pcmu/8000..a=oldmediaip:<a href="http://192.168.2.20">192.168.2.20</a>..<br><br>U 2006/11/14 03:01:05.674174 <a href="http://61.17.248.68:5060">
61.17.248.68:5060</a> -&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060</a><br>&nbsp; SIP/2.0 100 Trying..v: SIP/2.0/UDP <a href="http://192.168.2.90">192.168.2.90</a>;branch=z9hG4bK535d.31f40331.0;received=24.99.145.14..v:
 SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;received=61.17.248<br>&nbsp; .68;rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6..f: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14
</a>&gt;;tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;;tag=3539775680..<br>&nbsp; m: &lt;sip:102@192.168.2.45:5060&gt;..Record-Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90
</a>;lr=on;ftag=3410236415&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20..CSeq: 4138<br>&nbsp; 4 INVITE..Server: X-Lite release 1103m..l: 0....<br>-----------------------------------------------------------<br><span style="font-weight: bold; font-style: italic;">
Now the starts Ring at both ends points ..........</span><br>--------------------------------------------------<br>When&nbsp; the phone is&nbsp; pick up ............ it send the Reply only 200 Ack.........<br><br>2006/11/14 03:01:06.263035
 <a href="http://192.168.2.90:5060">192.168.2.90:5060</a> -&gt; <a href="http://61.17.248.68:5831">61.17.248.68:5831</a><br>&nbsp; SIP/2.0 180 Ringing..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;received=
<a href="http://61.17.248.68">61.17.248.68</a>;rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6..f: siri &lt;sip:101@<br>&nbsp; <a href="http://24.99.145.14">24.99.145.14</a>&gt;;tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">
sip:102@24.99.145.14</a>&gt;;tag=3539775680..m: &lt;sip:102@61.17.248.68:5060&gt;..Record-Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=34102<br>&nbsp; 36415&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20
..CSeq: 41384 INVITE..Server: X-Lite release 1103m..l: 0....<br><br>U 2006/11/14 03:01:22.633879 <a href="http://61.17.248.68:5060">61.17.248.68:5060</a> -&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060</a><br>&nbsp; SIP/2.0 200 Ok..v: SIP/2.0/UDP 
<a href="http://192.168.2.90">192.168.2.90</a>;branch=z9hG4bK535d.31f40331.0;received=24.99.145.14..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68
</a>;<br>&nbsp; rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6..f: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;tag=3410236415..t: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14
</a>&gt;;tag=3539775680..m: &lt;<br>&nbsp; sip:102@192.168.2.45:5060&gt;..Record-Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=3410236415&gt;..i: CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20..CSeq: 41384 IN
<br>&nbsp; VITE..c: application/sdp..Server: X-Lite release 1103m..l: 135....v=0..o=102 6553093 6570062 IN IP4 192.168.2.45..s=X-Lite..c=IN IP4 192.168.2.45..t=0 0<br>&nbsp; ..m=audio 12222 RTP/AVP 0..a=rtpmap:0 pcmu/8000..<br><br>
U 2006/11/14 03:01:22.634713 <a href="http://192.168.2.90:5060">192.168.2.90:5060</a> -&gt; <a href="http://61.17.248.68:5831">61.17.248.68:5831</a><br>&nbsp; SIP/2.0 200 Ok..v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060
</a>;received=<a href="http://61.17.248.68">61.17.248.68</a>;rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6..f: siri &lt;<a href="mailto:sip:101@24.99">sip:101@24.99</a><br>&nbsp; .145.14&gt;;tag=3410236415..t: &lt;
<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;;tag=3539775680..m: &lt;sip:102@61.17.248.68:5060&gt;..Record-Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=3410236415<br>&nbsp; &gt;..i: 
CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20..CSeq: 41384 INVITE..c: application/sdp..Server: X-Lite release 1103m..l: 135....v=0..o=102 6553<br>&nbsp; 093 6570062 IN IP4 192.168.2.45..s=X-Lite..c=IN IP4 192.168.2.45..t=0
 0..m=audio 12222 RTP/AVP 0..a=rtpmap:0 pcmu/8000..<br>----------------------------------<br><span style="font-weight: bold;">&nbsp;That this Time when the User agents are Hung up&nbsp; the Bye Request not coming to sip server at all...........
<br><br>Below logs are from x-lite after the Invite method processed <br><br>SEND TIME: 6581140<br>SEND &gt;&gt; <a href="http://24.99.145.14:5060">24.99.145.14:5060</a><br>SIP/2.0 200 Ok<br>v: SIP/2.0/UDP <a href="http://192.168.2.90">
192.168.2.90</a>;branch=z9hG4bK535d.31f40331.0;received=<a href="http://24.99.145.14">24.99.145.14</a><br>v: SIP/2.0/UDP <a href="http://192.168.2.20:5060">192.168.2.20:5060</a>;received=<a href="http://61.17.248.68">61.17.248.68
</a>;rport=5831;branch=z9hG4bKB90C342E73C741EE87BEC21516FF0FF6<br>f: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;tag=3410236415<br>t: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14
</a>&gt;;tag=3539775680<br>m: &lt;sip:102@192.168.2.45:5060&gt;<br>Record-Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=3410236415&gt;<br>i: <a href="mailto:CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20">
CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20</a><br>CSeq: 41384 INVITE<br>c: application/sdp<br>Server: X-Lite release 1103m<br>l: 135<br><br>v=0<br>o=102 6553093 6570062 IN IP4 <a href="http://192.168.2.45">192.168.2.45
</a><br>s=X-Lite<br>c=IN IP4 <a href="http://192.168.2.45">192.168.2.45</a><br>t=0 0<br>m=audio 12222 RTP/AVP 0<br>a=rtpmap:0 pcmu/8000<br><br>SEND TIME: 6602609<br>SEND &gt;&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060
</a><br>BYE sip:101@61.17.248.68:5831 SIP/2.0<br>v: SIP/2.0/UDP <a href="http://192.168.2.45:5060">192.168.2.45:5060</a>;rport;branch=z9hG4bK827A50D7ABED4E0ABA350E5487A52AB9<br>f: &lt;<a href="mailto:sip:102@24.99.145.14">
sip:102@24.99.145.14</a>&gt;;tag=3539775680<br>t: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;tag=3410236415<br>m: &lt;sip:102@192.168.2.45:5060&gt;<br>Route: &lt;sip:<a href="http://192.168.2.90">
192.168.2.90</a>;lr=on;ftag=3410236415&gt;<br>i: <a href="mailto:CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20">CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20</a><br>CSeq: 31544 BYE<br>Max-Forwards: 70<br>User-Agent: X-Lite release 1103m
<br>l: 0<br><br><br>SEND TIME: 6604140<br>SEND &gt;&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060</a><br>BYE sip:101@61.17.248.68:5831 SIP/2.0<br>v: SIP/2.0/UDP <a href="http://192.168.2.45:5060">192.168.2.45:5060
</a>;rport;branch=z9hG4bK827A50D7ABED4E0ABA350E5487A52AB9<br>f: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;;tag=3539775680<br>t: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14
</a>&gt;;tag=3410236415<br>m: &lt;sip:102@192.168.2.45:5060&gt;<br>Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=3410236415&gt;<br>i: <a href="mailto:CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20">
CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20</a><br>CSeq: 31544 BYE<br>Max-Forwards: 70<br>User-Agent: X-Lite release 1103m<br>l: 0<br>ECEIVE TIME: 6606187<br>RECEIVE &lt;&lt; <a href="http://24.99.145.14:5060">24.99.145.14:5060
</a><br><br>SEND TIME: 6607390<br>SEND &gt;&gt; <a href="http://192.168.2.90:5060">192.168.2.90:5060</a><br>BYE sip:101@61.17.248.68:5831 SIP/2.0<br>v: SIP/2.0/UDP <a href="http://192.168.2.45:5060">192.168.2.45:5060</a>;rport;branch=z9hG4bK827A50D7ABED4E0ABA350E5487A52AB9
<br>f: &lt;<a href="mailto:sip:102@24.99.145.14">sip:102@24.99.145.14</a>&gt;;tag=3539775680<br>t: siri &lt;<a href="mailto:sip:101@24.99.145.14">sip:101@24.99.145.14</a>&gt;;tag=3410236415<br>m: &lt;sip:102@192.168.2.45:5060&gt;
<br>Route: &lt;sip:<a href="http://192.168.2.90">192.168.2.90</a>;lr=on;ftag=3410236415&gt;<br>i: <a href="mailto:CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20">CB3623BF-158D-4124-A1D6-877D2673BBD4@192.168.2.20</a><br>
CSeq: 31544 BYE<br>Max-Forwards: 70<br>User-Agent: X-Lite release 1103m<br>l: 0<br><br><br>RECEIVE TIME: 6666312<br>RECEIVE &lt;&lt; <a href="http://24.99.145.14:5060">24.99.145.14:5060</a><br><br><br><br></span>_<br>-- <br>
Thanks and Regards<br>Ravi Prakash Sunkara                <br><a href="mailto:ravi.sunkara@hyperion-tech.com">ravi.sunkara@hyperion-tech.com</a>         <br>M:+91 9985077535<br>O:+91 40 23114549<br>F:+91 40 40208727                 <br><a href="mailto:ravi.sunkara@hyperion-tech.com">
ravi.sunkara@hyperion-tech.com</a><br><a href="http://www.hyperion-tech.com">www.hyperion-tech.com</a>