[Spce-user] Contact header Replace - MOdify

Leopoldo Iglesia liglesia at por-aire.es
Sun Jul 13 05:45:53 EDT 2014


   know, but this endopoints work this way. No other way to do it. THey 
are Gpon endpoints, i need a specific sipwise to do this. So i have to 
swap from and contact fields to make them work ok.



El 13/07/2014 11:22, Daniel Grotti escribió:
> Hi,
> Which contact you would like to change ?
> If you change the LB Contact header (sip:ngcp-lb at IP) you will break all
> the call flow.
> Contact header is not used in SIP to fetch information about the caller,
> Contact header doesn't contain information about CallerID and it is not
> used to decode Caller ID.
>  From Header or P-Asserted-Identity are used for this purpose.
>
> Sorry, but if your endpoint is trying to use Contact to fetch caller id
> information looks like a broken endpoint, cause contact doesn't carry
> such information.
> It is used as R-URI in ACK and BYE messages.
>
> I've never seen an operator SIP device fetching caller id info from
> Contact header.
>
>
> Daniel
>
>
>
>
>
> On 07/13/2014 11:04 AM, Leopoldo Iglesia wrote:
>> Hi!
>>
>> I´m trying to modify Contact header info in SEMS config, but no
>> working. I´m with 2.8 sipwise.
>> I need to change, cause the endpoint requires from user ID to decode
>> Caller ID on the contact header.
>>
>> Sip issues... don´t know why is done this way, but I need to change
>> it. Other operators are doing so, so it seems SBC can do it.
>>
>> Any help on this?
>>
>> Thanks
>>
>>
>>
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>> Spce-user at lists.sipwise.com
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>
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