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

Yuriy Gorlichenko ovoshlook at gmail.com
Tue Dec 17 20:11:34 CET 2019


It is not kamailio manage thing. It is end to end Negotiation. In other
words it should be placed by UAc to another UAc.
Not by sip-proxy

On Tue, 17 Dec 2019, 19:52 Anuran Barman, <anuranbarman at gmail.com> wrote:

> 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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