asterisk users - Mar 2004 - GS HandyTone-286 Transfer Problem, can anyone confirm?

There seems to be a problem related to the Grandstream HandyTone-286.
When a call is placed through the adapter, the call can be
transferred.  However, when a call is received through the adapter,
the call cannot be transferred.  The problem does not exist with a
BudgeTone-101 (1.0.4.23) using the same Asterisk configuration and
Dial() settings (Ttm).  I tried all of the firmware on their BETA
site, from 1.0.4.35 through 1.0.4.50 and the problem was never solved.

Can anyone confirm that this problem exists?

Can anyone recommend an alternative analog telephone adapter that is
in the price range of the HandyTone, but is actually reliable?

Thank you.

I have no problem transfer from one GS adaptor to another GS adaptor.

/Hans-Henrik Andresen
> Can anyone confirm that this problem exists?

[ Message pasted from Sun, 7 Mar 2004 08:27:54 -0600 ]
>
> The problem I'm experiencing with many GS adapters, regardless of
> firmware version is this.  Call from one phone to another phone using
> both the 'T' and 't' flags in the Dial() command.  After
they are
> connected, you should be able to press '#' on either phone to hear
> "transfer".  What I am experiencing is the calling GS adapter
will
> hear "transfer" when they press '#', but when the
receiving GS adapter
> presses '#', nothing happens at all.  Are you able to repeat this? 
If
> not, can you please tell me the firmware revisions and Asterisk
> version that you are using?
> 
> Thank you very much.
Yes, I am experiencing the same problem. Works fine with the
BudgetTone phones but not with the HandyTone-286.

Have you resolved this yet? We've been trying to figure this out on
and off for the past couple of weeks.