Can get call, but can't calling from analog phone

Hi,
I have analog Card AEX800 (4xFXS & 4xFXO)
I use asterisknow 1.5

and a problem is:
If I calling from sip phone to analog device (320) - everything working.
When i try call from analog phone i can’t.
When i pick up the phone, on cli i get:
Starting simple switch on 'DAHDI/36-1’
When i push the first number (number 3 for example), i get on cli:
Hungup 'DAHDI/36-1’
and i can’t call from analog device.

Configure chan_dahdi.conf
group=3
context=users
signalling=fxo_ks
callerid=“320” <320>
mailbox="320"
callwaiting=yes
threewaycalling=yes
transfer=yes
channel => 36

And configure Extension on Freepbx with Generic Zap device:
Extension=320
Display Name=320
channel g3
context from-internal
immediate no
signalling fxo_ks
echocancel yes
echocancelwhenbridged no
echotraining 800
busydetect no
busycount 7
callprogress no
dial Zap/g3
mailbox 320@degault

Please help me.