Date: Wed, 9 Feb 2000 17:15:21 +0100 (MET) From: Christian Wolf <Christian.Wolf@medis.de> To: Julian Stacey <jhs@muc.de> Cc: freebsd-isdn@freebsd.org Subject: Re: Which PBX / TK-Anlage are compatible ? Message-ID: <Pine.LNX.4.10.10002091627080.265-100000@wolfix.medis.de> In-Reply-To: <200002091310.NAA34701@jhs.muc.de>
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On Wed, 9 Feb 2000, Julian Stacey wrote:
> Which PBX (= TK-Anlage) work with I4B ? & which do not ?
> With the I4B card is connected to the S0 bus provided by the PBX.
> I recall some PBXs have protocol problems & I4B will not work with them ?
I'm running i4b with a HiCom 300 from Siemens succesfully since 1996 (that
was bisdn-0.96 :-) The HiCom and FreeBSD/i4b were upgraded several times.
There are two minor problems with i4b-0.90.00:
1. The Hicom sends D-Channel layer 3 IE "signal" (Q.931 4.5.28)
"i4b-L3-i4b_decode_q931_cs0_ie: Unknown IE 52 - 0x34 0x1 0x41"
This is logged as an error message by the kernel which fills up
the logs and the kernel-message-buffer (dmesg). Fix:
*** i4b_q931.c Wed Feb 9 16:57:44 2000
--- i4b_q931.c.orig Wed Feb 9 16:56:07 2000
***************
*** 442,452 ****
case IEI_CALLEDPS: /* called party subaddress */
DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CALLEDPS\n"));
break;
!
! case IEI_SIGNAL: /* signal type */
! DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_SIGNAL = %d\n", msg_ptr[2]));
! break;
!
default:
DBGL3(L3_P_ERR, "i4b_decode_q931_cs0_ie", ("Unknown IE %d - ", *msg_ptr));
i4b_print_frame(msg_ptr[1]+2, msg_ptr);
--- 442,448 ----
case IEI_CALLEDPS: /* called party subaddress */
DBGL3(L3_P_MSG, "i4b_decode_q931_cs0_ie", ("IEI_CALLEDPS\n"));
break;
!
default:
DBGL3(L3_P_ERR, "i4b_decode_q931_cs0_ie", ("Unknown IE %d - ", *msg_ptr));
i4b_print_frame(msg_ptr[1]+2, msg_ptr);
2. The charging information is only provided by a display-information,
e.g. "[display: 0.24 DM]". So you can't set "unitlengthsrc = aocd".
Chris
--
Christian Wolf; <Christian.Wolf@MedIS.DE>; Tel.: +49-40-76696-306 /\
MedIS - Medizinische Informations- und Steuerungssysteme GmbH /\/\
Grossmoorbogen 25, 21079 Hamburg /\/\/\
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