[SR-Users] Removing Via and Record-Route headers

Alex Balashov abalashov at evaristesys.com
Sun Mar 20 03:40:44 CET 2016


On 03/19/2016 09:43 PM, Marrold wrote:

> It should be theoretically possible to remove some of the via and
> record-route headers, assuming the contact is also re-written. The end
> point's (phones) themselves do not need to be aware of anything
> downstream of the SIP server they're registered too.

No, because intermediate endpoints:

(1) Expect the Route set to remain as configured between the two endpoints;

(2) Expect Vias corresponding to their hop to remain as upstream 
elements remove theirs in transit.

You can't break SIP like that - terribly sorry! :-)

-- Alex

-- 
Alex Balashov | Principal | Evariste Systems LLC
1447 Peachtree Street NE, Suite 700
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