[SR-Users] How to reduce re-INVITE time in Kamailio

Anuran Barman anuranbarman at gmail.com
Tue Dec 17 19:51:06 CET 2019


Thanks for the reply. Sharing doc links of Session timer settings related
to Kamailio specifically will be greatly appreciated.

On Wed, 18 Dec 2019 at 12:18 AM, Yuriy Gorlichenko <ovoshlook at gmail.com>
wrote:

> Session-Expires header ( Just remembered right name) will help you
> See rfc 4028
> https://tools.ietf.org/html/rfc4028#page-6
>
> On Tue, 17 Dec 2019, 19:44 Yuriy Gorlichenko, <ovoshlook at gmail.com> wrote:
>
>> Hi. It is no a kamailio question but sip question itself. You can manage
>> how often te invite will be by using session-timers. It will help you to
>> setup time range between reInvite ir whatever message you will use as
>> keepalive
>>
>> On Tue, 17 Dec 2019, 19:34 Anuran Barman, <anuranbarman at gmail.com> wrote:
>>
>>> Hi, I am using Kamailio for my SIP Phone app. My main SIP client is the
>>> iOS app. Till now everything is working fine regarding the calling. But the
>>> problem is when the app is killed I am not able to pick up incoming call.
>>> The thing is, when app is killed I am sending PushKit VOIP message to my
>>> ios app to wake it up. App is waking up. But by the time app is waking up,
>>> the original INVITE message got missed up. So according to SIP protocol it
>>> will re-INVITE after some time. Currently if I keep my app open for 10-15
>>> secs after it wakes up, I am able to get the re-INVITE and everything works
>>> fine just as it was supposed to. But waiting 10-15 sec on the app is not
>>> practical in any sense.
>>>
>>> So my question is there any way I can reduce the re-INVITE time to like
>>> 5/6 seconds so that as soon as the app open it will wait for 5/6 seconds
>>> (practical upto some extent) and it will get the call ? Or what kamailio is
>>> using as the interval time is a SIP standard and can not be changed? If
>>> possible to do so, how can I do that? Please help.
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
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