Scenario:<br><br>Using SRTP to secure call from IP Phones to H323 GW (PRI).<br><br>IP Phone forwards call to external Cell Phone #<br><br>Internal IP Phones that call the Forwarded IP Phone go to the External Cell Phone #.<br>
<br>External Calls (ie. Cell et al) calling the Forwarded IP Phone get Fast Busy...<br><br>Apr 20 12:05:45.443: ISDN Se0/0/0:23 Q931: TX -&gt; SETUP pd = 8  callref = 0x00CC<br>        Bearer Capability i = 0x8090A2<br>                Standard = CCITT<br>
                Transfer Capability = Speech<br>                Transfer Mode = Circuit<br>                Transfer Rate = 64 kbit/s<br>        Channel ID i = 0xA98394<br>                Exclusive, Channel 20<br>        Calling Party Number i = 0x2181, &#39;External Device calling In&#39;<br>
                Plan:ISDN, Type:National<br>        Called Party Number i = 0x80, &#39;Forwarded Number&#39;<br>                Plan:Unknown, Type:Unknown<br>        Redirecting Number i = 0x00008F, &#39;Forwarded IP Phone&#39;<br>
                Plan:Unknown, Type:Unknown<br>Apr 20 12:05:45.447: ISDN Se0/0/0:23 Q931: TX -&gt; DISCONNECT pd = 8  callref = 0x00CB<br>        Cause i = 0x80C1 - Bearer capability not implemented<br><br>