[SR-Users] OT: are there still asymmetric SIP clients?

[Sergey Okhapkin]

I use a separate IP address to accept calls from such SIP clients and do not 
check for NAT on those calls.

On Wednesday 22 June 2011, Klaus Darilion wrote:
> So what do you use as nat_check? Only the received IP address?
> 
> regards
> Klaus
> 
> Am 22.06.2011 15:36, schrieb Sergey Okhapkin:
> > A lot of Cisco (not linksys) SIP equipment is asymmetric.
> > 
> > On Wednesday 22 June 2011, Klaus Darilion wrote:
> >> Hi!
> >> 
> >> Just a small survey: Are you still using NAT detection checks? I prefer
> >> to apply NAT traversal always (never trust the contact header) which of
> >> course only works if all the clients are symmetric.
> >> 
> >> Thus - do you still see asymmetric SIP clients?
> >> 
> >> Thanks
> >> Klaus
> >> 
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