Date: Tue, 11 Sep 2012 15:58:27 +0200 From: Andreas Longwitz <longwitz@incore.de> To: Hans Petter Selasky <hselasky@c2i.net>, freebsd-isdn@freebsd.org Subject: Re: ISDN4BSD (HPS version) is going into ports Message-ID: <504F4383.2080503@incore.de> In-Reply-To: <201209102033.54948.hselasky@c2i.net> References: <504E1B19.3020901@incore.de> <201209102033.54948.hselasky@c2i.net>
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Hi Hans, thanks for reply ! >> Problem 1: If I take up the receiver of a ISDN telephone I do not hear >> the dial tone. I hear nothing. I can dial and that works. The phone >> sends a SETUP messagewant_s and asterisk/isdn4bsd answers with SETUP ACK: > > You need to check the settings in capi.conf for chan_capi. It should tell I4B > to provide a dialtone. I have checked capi.conf and did not find something usefull for dialtone, but your statement gives me the correct hint: In struct i4b_controller is a bit called no_layer1_dialtone and this bit is never initialized, therefore it is zero. In dss1_l3fsm.h the variable want_dialtone gets value 1 and the call dss1_l3_tx_setup_acknowledge(cd,NT_MODE(sc),want_dialtone) therefore sets the flag L3_TX_PROGRESSI and the SETUP_ACK fram created in dss1_l3_tx_message has the progress indicator included. Everything ok so far. Then I found, that the creation of the dialtone is done by the driver type DRVR_DIAL_GEN and therefore the i4b module i4btel is needed. After make config and activate "Build TEL driver" dialtone works. I think this option should be on as a default. >> Problem 2: I tried to get more information for problem 1 with the >> analyze mode of isdndecode using the custom cable as decribed in cable.txt. >> I connected my ISDN phone to an "ISDN Basisanschluß" with my cable box >> between them (receiving side unit 8, sending side unit 9), but after >> the commands >> cat /dev/ihfc8.X > /dev/null 2>&1 & (X=0,1,2) >> cat /dev/ihfc9.X > /dev/null 2>&1 & >> isdndecode -a -b -R 8 -T 9 -i -x >> I can only see D-channel data from the NT-side, nothing from the phone >> and no information from any B-channel, but the phone works correct. >> >> The hardware jumpers on my HFC-4S card of unit 8 and 9 are set to TE >> and I have >> isdnconfig -u 8 intr_mode pcm_64 pcm_map 0 1 end pcm_master \ >> te_mode -p DRVR_DSS1_TE \ >> -u 9 intr_mode pcm_64 pcm_map 0 1 end pcm_master >> nt_mode -p DRVR_DSS1_NT For clarification I add that of course I first give the isdnconfig commands and then the cat's and isdndecode. > This might have something to do with the default protocol selected. There has > been some changes in this area. Can you check the manpage of isdndebug, and > the protocol options available? You will need to set the default protocol > before opening the device nodes. The concept of a "default protocol" is not clear to me. Please can you describe the difference between isdnconfig -u 9 -p DRVR_DSS1_NT and isdndebug -u 9 -p DRVR_DSS1_NT ? If I try the latter, the command "cat /dev/ihfc9.0" returns with "device not configured". Andreas Longwitz
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