[SIPForum-discussion] strange behavior
Avinash Mudaliar
mudaliaravinash51 at hotmail.com
Tue Feb 18 18:44:52 UTC 2014
Cisco Call manager uses OPTIONS PING as a keep alive mechanism.
Thanks,
Avinash Mudaliar
CCIE # 41817 (Voice), SSCA, RHCE
sip:avinash13363 at thesipschool.com
Mobile:+918147745691
Sent from my Windows Phone
________________________________
From: siddharth sharma<mailto:sid77sharma77 at gmail.com>
Sent: 18-02-2014 23:55
To: Vinicio Callejas<mailto:vinicio.callejas at gmail.com>
Cc: discussion at sipforum.org<mailto:discussion at sipforum.org>
Subject: Re: [SIPForum-discussion] strange behavior
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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