Hello

I have the following structure

                          SIP                                H323 (chan_h323)
        SIP Phone ------------------------> Asterisk/H323 
------------------------------------------->
                                                                                       
  CISCO Gateway (CISCO 2610/NM2V-VIC-2BRI) -------------------------> ISDN
        SCCP Phone --------------------> CISCO CCM V3.3 
-------------------------------------->
                        SCCP                            H323

I have the following problem:

Call from SIP to SCCP and from SCCP to SIP over H323 works fine. When I phone from SIP 
to an ISDN Phone (extern) the call is received but no voice is available after pickup. 
The Asterisk Server works as h323 Gateway. The Trace shows that packages are sendet 
from the SIP - Phone to Asterisk and from the CISCO Gateway to Asterisk. But the 
Asterisk doesn't pass the rtp - packages in both directions (not to the Phone and not 
to the Gateway).

Can anyone help ?

Thanks Martin Gebhard


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