I have created a gateway to Voipbuster in conf/sip_profiles/external/voipbuster.xml: <include> <gateway name="voipbuster"> <param name="username" value="henkoegema"/> <param name="realm" value="voipbuster.com"/> <param name="from-user" value="003216980xxx"/> <param name="password" value="xxxxxx"/> <param name="extension" value="1000"/> </gateway> </include> I suppose this is correct since I can register with Voipbuster: freeswitch@ubuntu> sofia status API CALL [sofia(status)] output: Name Type Data State =============================================== internal profile sip:mod_sofia@192.168.1.101:5060 RUNNING (0) external profile sip:mod_sofia@78.21.64.194:5080 RUNNING (0) voipbuster gateway sip:henkoegema@voipbuster.com REGED nat profile sip:mod_sofia@78.21.64.194:5070 RUNNING (0) default alias internal ALIASED 192.168.1.101 alias internal ALIASED outbound alias external ALIASED ================================================ 3 profiles 3 aliases Then I added the following lines to conf/dialplan/default.xml <!-- Dial though Voipbuster gateway --> <extension name="voipbuster"> <condition field="destination_number" expression="^(0031\d*})$"> <action application="bridge" data="sofia/gateway/voipbuster/$1@voipbuster.com"/> </condition> </extension> Something is still not correct: Get always busy tone when I dial 003134464135x (?) No Route !! 2008-07-01 17:47:21 [INFO] switch_core_state_machine.c:114 switch_core_standard_on_routing() No Route, Aborting What am I doing wrong ? Thanks Henk