Beware calling these numbers on pay as you go.  I’ve seen rates of $0.20/min and higher (I seem to recall even seeing one at $0.40).  It gets expensive for a “free” call.

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Avi Marcus
Sent: Tuesday, March 29, 2011 1:07 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] "Free" Conference Calling

grnvoip doesn't block them either, but does charge a premium for termination to those numbers..

-Avi

On Tue, Mar 29, 2011 at 7:49 PM, Max Clark <max.clark@gmail.com> wrote:

Hello,

I've noticed a consistent pattern for SIP Termination providers not
completing calls to the "Free" Conference lines due to costs. What's
the best way to deal with this? Are there published lists of these
providers numbers that I can use to influence my LCR? Are there SIP
Termination providers that explicitly deal with these lines?

Thanks,
Max

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