hi, it seems that spandsp-0.0.2pre22 is not functioning right. downgrading to pre21 makes it work again. debug messages: Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Changed from phase 1 to 4 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW ???: Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Real-time Internet fax (T.38) Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW V.8 capable Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Prefer 64 octet blocks Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Reserved: 0x90 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Supported data signalling rates: Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: V.27ter fallback mode Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW 2D coding Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Scan line length: Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 215mm Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Recording length: Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: A4 (297mm) Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Receiver's minimum scan line time: Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 20ms at 3.85 l/mm: T7.7 = T3.85 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Reserved: 0x1 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Minimum scan line time for higher resolutions: T15.4 = T7.7 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Character mode Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW Reserved: 0x10 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: FLOW >>> DIS: Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 00 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: ce Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: f4 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 81 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: 18 Jan 18 11:54:29 DEBUG[5157] app_rxfax.c: Jan 18 11:54:31 DEBUG[5157] app_rxfax.c: FLOW HDLC underflow in state 9 Jan 18 11:54:31 DEBUG[5157] app_rxfax.c: FLOW Changed from phase 4 to 3 Jan 18 11:54:31 DEBUG[5157] app_rxfax.c: FLOW HDLC carrier up Jan 18 11:54:31 DEBUG[5157] app_rxfax.c: FLOW HDLC framing OK Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW <<< DCS: Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 83 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 00 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 06 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: a4 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 80 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 00 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW DCS with final frame tag Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW In state 9 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW ???: Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Real-time Internet fax (T.38) Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW V.8 capable Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Prefer 256 octet blocks Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Reserved: 0x80 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Supported data signalling rates: Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: V.27ter fallback mode Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW 2D coding Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Scan line length: Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 215mm Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Recording length: Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: A4 (297mm) Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Receiver's minimum scan line time: Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: 20ms at 3.85 l/mm: T7.7 = T3.85 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Get at 9600bps, modem 1 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Changed from phase 3 to 5 Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:33 DEBUG[5157] app_rxfax.c: FLOW Fast carrier training failed Jan 18 11:54:34 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:38 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:38 DEBUG[5157] app_rxfax.c: FLOW Fast carrier training failed Jan 18 11:54:39 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:39 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:39 DEBUG[5157] app_rxfax.c: FLOW Fast carrier training failed Jan 18 11:54:41 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:44 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:44 DEBUG[5157] app_rxfax.c: FLOW Fast carrier training failed Jan 18 11:54:45 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:45 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:46 DEBUG[5157] app_rxfax.c: FLOW Fast carrier training failed Jan 18 11:54:47 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:50 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:51 DEBUG[5157] app_rxfax.c: FLOW Fast carrier training failed Jan 18 11:54:52 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:52 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:52 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:52 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:52 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:52 DEBUG[5157] app_rxfax.c: FLOW Fast carrier up Jan 18 11:54:52 DEBUG[5157] app_rxfax.c: FLOW Fast carrier down Jan 18 11:54:53 DEBUG[5157] app_rxfax.c: Got hangup thanks, paradise dove