asterisk users - Jul 2005 - h323 still no success to dial out via GK

[public_gk]
;exten => _070.,1,Set(CALLERID(number)=070333333${CALLERIDNUM})
exten => _070.,1,Dial(H323/${EXTEN}@59.120.139.119)
exten => _070.,n,Hangup


*CLI> h323 show peers
Name             Accountcode      ip:port                  Formats
7000             ast_h323         203.160.252.147:1720     0x4 (ulaw)
88670333333      ast_h323         203.160.252.147:1720     0x4 (ulaw)
myfriend1        ast_h323         a.b.c.d:1720             0x4 (ulaw)
mypeer1          ast_h323         a.b.c.d:1720             0x4 (ulaw)



*CLI>
Jul 13 16:22:37 WARNING[15193]: chan_h323.c:914 h323_indicate: Don't 
know how to indicate condition -1 on ooh323c_246
    -- Executing Hangup("H323/Ronald Wiplinger (8770)-f01d",
"") in new
stack
  == Spawn extension (default, 070168170, 2) exited non-zero on 
'H323/Ronald Wiplinger (8770)-f01d'
  == No one is available to answer at this time (1:0/0/0)


.....


My SIP phone gives me the ring tone, but the H323 site does not do anything.

Why? What do I do wrong?


bye

Ronald