[VoiceOps] response code mapping to upstream peers

Alex Balashov abalashov at evaristesys.com
Wed Apr 11 18:50:25 EDT 2012

On 04/11/2012 04:13 PM, David Hiers wrote:

> Thinking about a 6xx as an "abandon all hope" response...

Beware that many UAs and forking proxies ignore the RFC-mandated 
"abandon all hope" aspect of 6xx and roll over on it anyway, much as 
they do with 5xx-class replies.

The reason is that 503 and 603 are both so mis/over-used as catch-all 
epithets for "didn't work for some reason".

Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com/

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