[Spce-user] 400 Normal Release

[Skyler]

correction in #1, I've confirmed that add_contact_alias() is not involved.
Just that topoh reqries Contact as
<sip:10.1.1.10;line=sr-N6IAzhaINwPlPxFAOBPAOBM6OBFLWxvuMx3A>. Which causes
issue with provider(s) other than TieUS.

Skyler

On Thu, Nov 8, 2012 at 3:47 PM, Skyler <skchopperguy at gmail.com> wrote:

> Hi Dave,
>
>  Just to clarify, my understanding of the problem(s) is:
>
> 1. Provider A (TieUS) has inbound DTMF and call dropping problem because
> the RR is 127.0.0.1 and they don't like this. So the last-resort solution
> is to introduce topoh to re-write as private address space. However, in
> doing so, the spce-lb is detecting 'NATed request detected' and subsequent
> 'NATed in-dialog request detected'. This results in add_contact_alias()
> being called to rewrite the Contact as
> <sip:10.1.1.10;line=sr-N6IAzhaINwPlPxFAOBPAOBM6OBFLWxvuMx3A>. This causes
> problems with other carriers.
>
> 2. Provider B (Group Telecom) sends DTMF as INFO. This is now fixed by
> adding INFO to spce-proxy.
>
> 3. Provider C (Voxcentral) has no issues until topoh is introduced. Then
> due to the bad contact, they drop the call(s) after some time.
>
>  Is this correct?
>
> Skyler
> On Thu, Nov 8, 2012 at 6:49 AM, Dave Massey <dave at optionsdsl.ca> wrote:
>
>> Im not sure Im not familiar with topoh.
>>
>> I have to do some more testing to be sure, but INFO worked for DTMF and
>> using topoh, but didnt work using the method below.
>> But I have to check again to be sure.
>>
>>
>>
>> On 2012-11-08, at 3:59 AM, Andrew Pogrebennyk <apogrebennyk at sipwise.com>
>> wrote:
>>
>> > Hi Dave,
>> >
>> > On 11/07/2012 03:40 AM, Dave Massey wrote:
>> >>
>> >> I went back to the roots of modifying the iaddress field in config.yml
>> >> after creating an unused "dummy" ethernet interface.  I wasn't
>> modifying
>> >> the other 2  instances of 127.0.0.1 as was mentioned by Andrew today.
>> >> And that worked... But maybe lost the SIP INFO DTMF in one direction
>> again.
>> >>
>> >> Both peers now work (minus incoming DTMF from TieUS, again) without
>> >> dropping calls.
>> >>
>> >> You think this is a good way to work around this problem?
>> >
>> > That is a good way IMO, yes.
>> >
>> > What are you trying to accomplish with topoh? We use sems to rewrite the
>> > From and To header with sip:provider's IP address and that should be it.
>> > Hasn't DTMF problem been resolved by adding INFO to the supported
>> methods?
>> >
>> > BR,
>> > Andrew
>>
>>
>> _______________________________________________
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>>
>
>
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