[asterisk-users] OPTIONS Keep alive - Reply: 481 No subscription

[Eric Wieling]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Skyler
> Sent: Friday, May 13, 2011 3:50 PM
> To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Subject: Re: [asterisk-users] OPTIONS Keep alive - Reply: 481
> No subscription
>
> Really!? Wow, that would be so easy as it looks like
> qualify=yes is already enabled on each SIP channel. I'll give
> that a try/test first and report back.

The purpose of qualify= is not for NAT keep-alives, but it generates enough traffic to keep the NAT translations open anyway.