[SIPForum-discussion] 5 minute cut-off

[Abhisek Acharya]

folks you wannna dig in more about Session-Refresher please go through RFC
4028


On Thu, Sep 12, 2013 at 4:50 PM, Banda, Srinivas (Srinivas) <
sribanda at avaya.com> wrote:

>  Hi Tristan,****
>
> ** **
>
> The reason why call is cut off for IOS and Android exactly after 5 minutes
> is:****
>
> If you see the Session Expires and Min-SE headers In INVITE message it has
> 3600 and 300.****
>
> But IOS & Android devices has not sending who has to re-fresh the session.
> Due to this call is disconnecting after 5 minutes.****
>
> ** **
>
> ** **
>
> Session-Expires: 3600****
>
> Min-SE: 300****
>
> ** **
>
> For Other Genband/Grandstream Phones:****
>
> ** **
>
> INVITE has:****
>
> Session-Expires: 3600;*refresher=uas*
>
> Min-SE: 300****
>
> ** **
>
> Hope this information is helpful. The  SIP stack in IOS/Android App is not
> sending the session refresher information in the Session-Expires Header.**
> **
>
> ** **
>
> Regards****
>
> Srinivas****
>
> *From:* discussion-bounces at sipforum.org [mailto:
> discussion-bounces at sipforum.org] *On Behalf Of *Tristan Bulandus
> *Sent:* Tuesday, September 03, 2013 11:20 AM
> *To:* smraney at comcast.net
> *Cc:* discussion at sipforum.org
>
> *Subject:* Re: [SIPForum-discussion] 5 minute cut-off****
>
>  ** **
>
> Hi.****
>
>  ****
>
> Huawei softswitch sends BYE with reason: SESSION TIMER EXPIRES. Our Huawei
> Softswitch has Timer of 300s which is why calls for IOS and Android gets
> cut off at around 5 minutes.****
>
>  ****
>
> My only concern is that 3 of the other SIP Clients do not experience a
> call cut-off at around 5 minutes while simulating the exact customer
> scenario.****
>
>  ****
>
> Would you be familiar on the function of this 'a=ptime' attributes? Is
> the ptime value in seconds? Would appreciate an immediate reply please.***
> *
>
>  ****
>
> Thanks.****
>
> ** **
>
> *From:* "smraney at comcast.net" <smraney at comcast.net>
> *To:* Tristan Bulandus <tristanbulandus at yahoo.com>
> *Cc:* Jorge <jwalcantara at hotmail.com>; Binan AL Halabi <
> binanalhalabi at yahoo.com>; murali87ece at gmail.com; discussion at sipforum.org
> *Sent:* Monday, September 2, 2013 8:50 PM
> *Subject:* Re: 5 minute cut-off****
>
> ** **
>
> Tristan,****
>
> ** **
>
> I admittedly do have have working experience with all these particular
> endpoints, so my suggestions are merely based on observations of the Invite
> messages.****
>
> ** **
>
> The Invite's associated to the IOS and Android endpoints do not appear to
> have 'ptime' attributes, whereas the Invites associated to the other three
> endpoints do.  Issues with ptime attributes typically effect quality of
> service.****
>
> ** **
>
> *PTimer Attributes:*****
>
>  a. Genband IP Phone - a=ptime: 20****
>
>  b. Grandstream IP Phone - a=ptime: 20****
>
>  c. IOS - Not Configured****
>
>  d. Android - Not Configured****
>
>  e. PC Client - a=ptime: 30****
>
>  ****
>
> My other thought was whether or not this could be associated to a 'session
> refresh' issue, if the session is seen as inactive and requires refresh to
> remain established?****
>
>  ****
>
> Thanks,****
>
>  ****
>
> Steve.....****
>
> ** **
>
> *From: *"Tristan Bulandus" <tristanbulandus at yahoo.com>
> *To: *"Jorge" <jwalcantara at hotmail.com>, "Binan AL Halabi" <
> binanalhalabi at yahoo.com>, smraney at comcast.net, murali87ece at gmail.com
> *Cc: *discussion at sipforum.org
> *Sent: *Sunday, September 1, 2013 11:33:43 PM
> *Subject: *5 minute cut-off****
>
> ** **
>
> Hi guys.****
>
>  ****
>
> Genband A2 is currently peered to Huawei Softswitch.****
>
>  ****
>
> Genband A2 has the following terminals that register to it:****
>
>  a. Genband IP Phone****
>
>  b. Grandstream IP Phone****
>
>  c. IOS****
>
>  d. Android****
>
>  e. PC Client****
>
>  ****
>
> Now, I try to call to Numbers routed at the Huawei Softswitch from the
> following terminals and experience:****
>
> a. Genband IP Phone calling Huawei - Call NOT cut-off****
>
> b. Grandstream IP Phone calling Huawei - Call NOT cut-off****
>
> c. IOS calling Huawei - Call cut-off at 5 minutes****
>
> d. Android calling Huawei - Call cut-off at 5 minutes****
>
> e. PC Client calling Huawei - Call NOT cut-off****
>
>  ****
>
> May I request what has to be adjusted on the IOS and Android clients
> please? I've attached a summary of the SIP Invites being generated by
> terminals.****
>
>  ****
>
> Thanks! ****
>
> ** **
>
> ** **
>
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