The loose-routing flag on the route header was introduced in RFC 3261.

If the carrier cannot handle loose routing this is a fairly good
indication that it is using pre-RFC 3261 stack ( although this is not
necessarily the case ).



On Wed, Oct 13, 2010 at 1:54 PM, Tony Graziano
<[email protected]> wrote:
> In this case I think the carrier sucks raw eggs, but not just because of
> this...
> the ;lr indicator tells the proxy where the calls is sent that there are is
> not just the single route entry as a valid target in the route header.
> Strict versus loose routing (there are more than one "right answer").
> Route: <sip:loligo.com;lr>
> <sip:proxy01.lologo.com;lr>
> <sip:1.2.3.4;lr>
>
>
> On Wed, Oct 13, 2010 at 1:20 PM, Douglas Hubler <[email protected]> wrote:
>>
>> Not knowing a whole lot about this parameter, I think it should be
>> configurable with full description on implications of turning it on.
>>
>> On Wed, Oct 13, 2010 at 10:51 AM, Tony Graziano
>> <[email protected]> wrote:
>> > Does anyone have an opinion that the tag
>> >     <loose-route-invite>true</loose-route-invite>
>> > should be made configurable in sipxbridge?
>> > I ran across one tempermental ITSP that requires it (supposedly). I can
>> > edit
>> > it and restart services to temporarily see if that changes the "reason'
>> > they
>> > are failing the calls (according to them).
>> > I suspect that as a TRUNK, ;lr is not an issue, but it is on the
>> > handsets
>> > only depending on the switch/switch type you connect to. I think this is
>> > a
>> > case of an ITSP "calling" themselves commercial and really centered
>> > around
>> > residential/consumer traffic so they require this to be OFF from the
>> > client
>> > (i.e.no ;lr tag). This is the kind of thing that makes me want to say
>> > "run
>> > very fast, get a real provider", but I wanted opinions.
>> > I suspect it might be relatively easy to add the option to make it
>> > configurable, but realistically, is it resonable for a trunk provider to
>> > refuse a call because it is there. I think it is NOT reasonable, but
>> > that's
>> > me.
>> > --
>> > ======================
>> > Tony Graziano, Manager
>> > Telephone: 434.984.8430
>> > sip: [email protected]
>> > Fax: 434.326.5325
>> >
>> > Email: [email protected]
>> >
>> > LAN/Telephony/Security and Control Systems Helpdesk:
>> > Telephone: 434.984.8426
>> > sip: [email protected]
>> >
>> > Helpdesk Contract Customers:
>> > http://support.myitdepartment.net
>> >
>> >
>> > _______________________________________________
>> > sipx-dev mailing list
>> > [email protected]
>> > List Archive: http://list.sipfoundry.org/archive/sipx-dev/
>> >
>> _______________________________________________
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>
>
>
> --
> ======================
> Tony Graziano, Manager
> Telephone: 434.984.8430
> sip: [email protected]
> Fax: 434.326.5325
>
> Email: [email protected]
>
> LAN/Telephony/Security and Control Systems Helpdesk:
> Telephone: 434.984.8426
> sip: [email protected]
>
> Helpdesk Contract Customers:
> http://support.myitdepartment.net
>
>
> _______________________________________________
> sipx-dev mailing list
> [email protected]
> List Archive: http://list.sipfoundry.org/archive/sipx-dev/
>



-- 
M. Ranganathan
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