[SIPForum-discussion] strange behavior

siddharth sharma sid77sharma77 at gmail.com
Mon Feb 17 10:13:40 UTC 2014


Hi vinicio,

as you can see, time interval between 2 option message is 360 sec. I
believe, there must be some kind of session check with heartbeat mechanism
in place in client side to check if session/link is alive or not.

Are you having any issues because of this? I believe, you are not.

Siddharth Sharma


On Fri, Feb 14, 2014 at 11:23 PM, Vinicio Callejas <
vinicio.callejas at gmail.com> wrote:

> Dear SIP-Forum  community,
> I need  their valuable help in my next question in the following trace:
>
>
> |Time     | 192.168.222.1                          |
> |         |                   | 172.16.0.8     |
> |0.000000 |         INVITE SDP (g729 telephone-eventRTPType-101)
>  |SIP From: <sip:026515615981190 at 200.30.79.27;user=phone To:<
> sip:76750257231163 at 192.168.222.1;user=phone
> |         |(5062)   ------------------>  (5060)   |
> |0.001112 |         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |0.283508 |         183 Progress                  |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |2.153476 |         183 Progress SDP (g729 telephone-eventRTPType-...)
>      |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |3.072989 |         180 Ringing                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |9.686369 |         200 OK SDP (g729 telephone-eventRTPType-101)
>  |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |9.951822 |         ACK       |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |9.951834 |         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |10.152405|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |10.172826|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |369.954905|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |370.156250|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |370.182409|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |730.015937|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |730.216594|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |730.234521|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |1089.969163|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |1090.173824|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |1090.183164|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |1449.971924|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |1450.172387|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |1450.203957|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |1809.984631|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |1810.188181|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |1810.204932|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |2169.987896|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |2170.188157|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |2170.206157|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |2529.991223|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |2530.192339|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |2530.230736|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |2889.994229|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |2890.196896|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |2890.216868|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |3250.006942|         OPTIONS   |                   |SIP Request
> |         |(5062)   ------------------>  (5060)   |
> |3250.209311|         100 Trying|                   |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |3250.236541|         200 Ok SDP ()                 |SIP Status
> |         |(5062)   <------------------  (5060)   |
> |3609.689094|         BYE       |                   |SIP Request
> |         |(5062)   <------------------  (5060)   |
> |3609.910220|         200 OK    |                   |SIP Status
> |         |(5062)   ------------------>  (5060)   |
>
>
>
> My question is this because after ACK there are so many options that are
> generated.
> Could someone explain the reason for this situation, if there are problems
> in the codec or a bad configuration?
>
> Best Regards,
> Vinicio
>
>
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-- 
Thanks & Regards,
Siddharth Sharma
Contact No - 7503017785
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