[Serusers] Changing 'expires' value in response to REGISTER

[Kanakatti Mahesh Subramanya]

This works successfully with the Snoms.

However, it also successfully breaks Sipuras (of which we have quite a 
few too)

And, rfc3261 never actually sez. that teh UAC must accept the value I 
send back (weird...)

Any other ideas??

cheers

Andres wrote:

> Kanakatti Mahesh Subramanya wrote:
>
>> And the beat goes on...
>>
>> I 've got a bunch of Snom's that have a minimum register interval of 
>> 1 minute.
>>
>> I *know* that I can get them to register every 30 seconds if I set 
>> the 'expires' value in the Contact header of the '200 OK' response to 
>> the REGISTER request appropriately (whew)
>> e.g., instead of returning
>> Contact: <sip:jake.foobaz at 1.2.3.4:49154>;expires=60
>> I return
>> Contact: <sip:jake.foobaz at 1.2.3.4:49154>;expires=30
>>
>> The question is - how do I change the 'expires' value?
>
>
> How about using a global parameter like:
>
> 1.3.3. max_expires (integer)
>
>   The maximum expires value of a Contact, values higher than
>   this maximum will be automatically set to the maximum. Value 0
>   disables the checking.
>
>   Default value is 0.
>
>   Example 1-3. Set max_expires parameter
> ...
> modparam("registrar", "max_expires", 120)
>
>
>>
>> append_to_reply() isn't relevant - i don't want another header
>> subst() on the request's 'Expires' header isn't useful since 
>> build_contact() seems to extract it's values from the original 
>> request.  Any changes I made to it seem to be ignored
>>
>> Any ideas?
>>
>> cheers
>>
>> ------------------------------------------------------------------------
>>
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>>  
>>
>
>
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