[cisco-voip] SIP option ping prioritization

[Ki Wi]

Hi Saranyan,
thanks! I would like to know how can I compose an access-list to detect SIP
option ping and prioritize it.




On Mon, Aug 28, 2017 at 11:20 AM, saranyan k <saranyan2008 at gmail.com> wrote:

> Hi Ki Wi,
>
> OPTIONS ping is a SIP message. Ideally the transport mode of the message
> is TCP or UDP based on the configuration done under voice service voip ->
> sip.
> Otherwise, we can configure a keepalive profile so that we can specify the
> mode of transport for the OPTIONS keepalive messages.
>
> !
>
> voice class sip-options-keepalive 1
>
> transport tcp
>
> !
>
> Map the profile to any dial-peer:
>
> !
>
> dial-peer voice 1 voip
>
>  session protocol sipv2
>
>  incoming called-number 299
>
> * voice-class sip options-keepalive profile 1*
>
>  dtmf-relay rtp-nte sip-notify
>
>  codec g711ulaw
>
>  no vad
>
> !
>
> Say if the router is set to use UDP, its worth to give it a try with TCP.
>
> Please let me know if this helps.
>
>
> Regards,
>
> Saranyan
>
>
>
>
>
> On Mon, Aug 28, 2017 at 8:26 AM, Ki Wi <kiwi.voice at gmail.com> wrote:
>
>> Hi Group,
>> I would like to find out if SIP option ping is a "ping" or a "sip
>> message" ?
>>
>> From the documents, it seems like it is a sip messages.
>>
>> My customer is facing issue with the dial-peers getting busy out during
>> WAN congestion. We would like to prioritize those messages as a WAN
>> provider but they are not able to give us the exact commands for the CE
>> router.
>>
>>  Currently this is the command on all their managed "voice gateway"
>>  * voice-class sip options-keepalive up-interval 120 down-interval 120
>> retry 2
>>
>> This means the "transport" mode is default. This make things more
>> complex, I have no idea it is TCP or UDP or ???
>>
>> With no access to customer network (unable to do wireshark), I would like
>> to see if there's anyone having the experience to prioritize those SIP
>> option ping packets?
>>
>>
>> --
>> Regards,
>> Ki Wi
>>
>> _______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
>


-- 
Regards,
Ki Wi
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