[hylafax-users] Question # 2: IAXModem to IAXModem T.30 T2 timeout [long]

[Colin Anderson <ColinA@xxxxxxxxxxxxxxxxxxxxxxxxx>]

My config: 

Hylafax latest, IAXModem 0.1.7 to Asterisk 1.0.9 - fax server and Asterisk
are connected w/ crossover cable in private subnet, TXQUEUELEN bumped up to
2000 from default 1000, 100baseT full duplex. Asterisk dials out on a PRI
(Digium Te110P) connected to an Atlas 550, which in turn is connected to the
PSTN. No frame slips, TX fax to any fax on PSTN is OK. 

My problem: 

Sending fax thru HylaFax to any PSTN connected fax is fine. But, sending a
fax from Hylafax via IAXmodem, out to the PSTN, and back to itself like
this:

Hylafax ---> IAXmodem ----> Asterisk ----> Atlas ----> PSTN ----> Atlas
----> Asterisk ----> IAXmodem ----> Hylafax

yields an error like this: 

Jun 05 12:28:25.87: [15058]: <-- [9:AT+FRH=3\r]
Jun 05 12:28:29.49: [15058]: --> [7:CONNECT]
Jun 05 12:28:31.03: [15058]: --> [8:D2 D3 3C 7B 50 8D 10 03]
Jun 05 12:28:31.03: [15058]: --> [5:ERROR]
Jun 05 12:28:31.03: [15058]: MODEM Command error
Jun 05 12:28:31.03: [15058]: FCS error
Jun 05 12:28:31.03: [15058]: <-- [9:AT+FRS=7\r]
Jun 05 12:28:31.49: [15058]: --> [2:OK]
Jun 05 12:28:31.49: [15058]: <-- [9:AT+FTH=3\r]
Jun 05 12:28:31.51: [15058]: --> [7:CONNECT]
Jun 05 12:28:31.51: [15058]: <-- HDLC<3:FF C8 58>
Jun 05 12:28:32.99: [15058]: --> [2:OK]
Jun 05 12:28:32.99: [15058]: RECV send CRP (command repeat)
Jun 05 12:28:32.99: [15058]: <-- [9:AT+FRH=3\r]
Jun 05 12:28:36.23: [15058]: --> [7:CONNECT]
Jun 05 12:28:36.33: [15058]: --> [5:A6 42 C9 10 03]
Jun 05 12:28:36.33: [15058]: --> [5:ERROR]
Jun 05 12:28:36.33: [15058]: MODEM Command error
Jun 05 12:28:36.33: [15058]: FCS error
Jun 05 12:28:36.33: [15058]: <-- [9:AT+FRS=7\r]
Jun 05 12:29:06.33: [15058]: MODEM TIMEOUT: reading line from modem
Jun 05 12:29:06.33: [15058]: MODEM <Timeout>
Jun 05 12:29:06.33: [15058]: RECV keeping unconfirmed page
Jun 05 12:29:06.33: [15058]: RECV: 256 bytes of data, 13 total lines
Jun 05 12:29:06.33: [15058]: MODEM set XON/XOFF/DRAIN: input ignored, output
disabled
Jun 05 12:29:06.34: [15058]: RECV FAX (000000392): from Landmark Group, page
1 in 0:53, INF, 7.7 line/mm, 2-D MMR, 9600 bit/s
Jun 05 12:29:06.34: [15058]: RECV FAX (000000392): recvq/fax000000332.tif
from Landmark Group, route to <unspecified>, 1 pages in 0:53
Jun 05 12:29:06.34: [15058]: RECV FAX: T.30 T2 timeout, expected signal not
received
Jun 05 12:29:06.34: [15058]: <-- [9:AT+FTH=3\r]
Jun 05 12:29:06.35: [15058]: --> [2:OK]
Jun 05 12:29:06.35: [15058]: MODEM input buffering enabled
Jun 05 12:29:06.35: [15058]: RECV FAX (000000392): session with Landmark
Group terminated abnormally: T.30 T2 timeout, expected signal not received
Jun 05 12:29:06.35: [15058]: RECV FAX: bin/faxrcvd "recvq/fax000000332.tif"
"ttyIAX8247" "000000392" "T.30 T2 timeout, expected signal not received"
Jun 05 12:29:06.35: [15058]: RECV FAX: end
Jun 05 12:29:06.35: [15058]: SESSION END

Is the call route too Byzantine for IAXModem to handle? 

tia

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