Strato IPhone mittels Asterisk

Hallo,

ich interessiere mich für das einrichten von VoIP über Strato mittels einer kleinen Asterisk anlage. Ich versuche wehement eine Verbindung zustande zu bekommen, leider schlägt dies fehl. Die Ausgabe:

...
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing Dial("SIP/200-8391", "SIP/fwd2/01805050301|120|tr") in new stack
May 3 00:19:36 VERBOSE[16825] logger.c: -- Called fwd2/01805050301
May 3 00:19:36 DEBUG[2107] chan_sip.c: Acked pending invite 102
May 3 00:19:36 WARNING[2107] chan_sip.c: Received response: "Forbidden" from '"ed comp" <sip:[email protected]>;tag=as1865051e'
May 3 00:19:36 VERBOSE[16825] logger.c: -- SIP/fwd2-16fd is circuit-busy
May 3 00:19:36 VERBOSE[16825] logger.c: == Everyone is busy/congested at this time (1:0/1/0)
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing Goto("SIP/200-8391", "s-CONGESTION|1") in new stack
May 3 00:19:36 VERBOSE[16825] logger.c: -- Goto (macro-dialout-trunk,s-CONGESTION,1)
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing NoOp("SIP/200-8391", "Dial failed due to CONGESTION") in new stack
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing Macro("SIP/200-8391", "outisbusy|") in new stack
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing Playback("SIP/200-8391", "all-circuits-busy-now") in new stack
May 3 00:19:36 WARNING[16825] file.c: File all-circuits-busy-now does not exist in any format
May 3 00:19:36 WARNING[16825] file.c: Unable to open all-circuits-busy-now (format 0x4 (ulaw)): No such file or directory
May 3 00:19:36 WARNING[16825] app_playback.c: ast_streamfile failed on SIP/200-8391 for all-circuits-busy-now
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing Playback("SIP/200-8391", "pls-try-call-later") in new stack
May 3 00:19:36 WARNING[16825] file.c: File pls-try-call-later does not exist in any format
May 3 00:19:36 WARNING[16825] file.c: Unable to open pls-try-call-later (format 0x4 (ulaw)): No such file or directory
May 3 00:19:36 WARNING[16825] app_playback.c: ast_streamfile failed on SIP/200-8391 for pls-try-call-later
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing Macro("SIP/200-8391", "hangupcall") in new stack
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing ResetCDR("SIP/200-8391", "w") in new stack
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '"ed comp" <200>'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '200'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '701805050301'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is 'from-internal'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is 'SIP/200-8391'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is 'SIP/fwd2-16fd'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is 'ResetCDR'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is 'w'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '2006-05-03 00:19:36'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '2006-05-03 00:19:36'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '2006-05-03 00:19:36'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '0'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '0'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is 'ANSWERED'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is 'DOCUMENTATION'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is ''
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is '1146608376.54'
May 3 00:19:36 DEBUG[16825] pbx.c: Function result is ''
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing NoCDR("SIP/200-8391", "") in new stack
May 3 00:19:36 WARNING[16825] cdr.c: CDR on channel 'SIP/200-8391' not posted
May 3 00:19:36 WARNING[16825] cdr.c: CDR on channel 'SIP/200-8391' lacks end
May 3 00:19:36 VERBOSE[16825] logger.c: -- Executing Wait("SIP/200-8391", "5") in new stack
May 3 00:19:41 VERBOSE[16825] logger.c: -- Executing Hangup("SIP/200-8391", "") in new stack
May 3 00:19:41 VERBOSE[16825] logger.c: == Spawn extension (macro-hangupcall, s, 4) exited non-zero on 'SIP/200-8391' in macro 'hangupcall'
May 3 00:19:41 VERBOSE[16825] logger.c: == Spawn extension (macro-hangupcall, s, 4) exited non-zero on 'SIP/200-8391' in macro 'outisbusy'
May 3 00:19:41 VERBOSE[16825] logger.c: == Spawn extension (macro-hangupcall, s, 4) exited non-zero on 'SIP/200-8391'

Mich interessiert gerade der Bereich "SIP/fwd2-16fd is circuit-busy". Kann mir jemand sagen warum/wieso dies der Fall ist, und wenn ja, wie löse ich das?

Jemand mit Erfahrung in dem Bereich wäre wirklich toll.

Danke schon mal im Voraus,

Mike