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Hi all, When configuring Asterisk with an ISDN card, it will at one point become necessary to select the LBO (Line Build-Out) value. This is an integer (0-7) that is determined by the length of the cable and is selected from the following table. Many of us are familiar with it: CSU (dB) DSX-1 (feet) ------------------------------- 0 0 0?133 1

I have a box with 12 T1s (4 Te410P cards). The PSTN provider is reporting slips and ask me to update the clock source. I have my system.conf set as the following but when I run dahdi_scan only the ports on Card 1 are showing up with syncsrc=1 system.conf : span=1,1,0,esf,b8zs bchan=2-24 mtp2=1 span=2,2,0,esf,b8zs bchan=26-48 mtp2=25 span=3,3,0,esf,b8zs bchan=49-72

Can someone who is knowledgable in the traditional telco space please give me a layman's explanation (or point me to an appropriate url) of LBO as per the zaptel configuration file? # The line build-out (or LBO) is an integer, from the following table: # 0: 0 db (CSU) / 0-133 feet (DSX-1) # 1: 133-266 feet (DSX-1) # 2: 266-399 feet (DSX-1) # 3: 399-533 feet (DSX-1) # 4: 533-655 feet (DSX-1)

Hi everybody, I have a 1.6.0.5 asterisk system and I?m having many problems with my pstn cards. This system has a Digium B410P with 4 BRIs configured, and an OpenVox A400E. The issue is that it?s impossible to make the system recognize the A400E, despite the ?lspci? output is: 0a:00.0 Network controller: Tiger Jet Network Inc. Tiger3XX Modem/ISDN interface 11:00.0 ISDN controller: Digium,

Hi all, anyone could pls explain me what does it means ? It a part of zaptel.conf file. LBO= Line Build Out 0: 0 dB (CSU) / 0 - 133 feet (DSX-1) 1: 133 - 266 feet (DSX-1) 2: 266 - 299 feet (DSX-1) 3: 399 - 533 feet (DSX-1) 4: 533 - 655 feet (DSX-1) 5: -7.5 dB (CSU) 6: -15 dB (CSU) 7: -22.5 dB (CSU) Thanks Giordano -- No virus found in this outgoing message. Checked by AVG

Hi everybody, In an Asterisk 1.6.0.5, dahdi-linux-2.1.0.4, dahdi-tools-2.1.0.2, with a Digium B410P and an OpenVox A400E, I can't make "dahdi_scan" to recognize the OpenVox. This card was working correctly but suddenly stopped working and I cannot make it work again. Both ?lspci? and ?dahdi_hardware? detect it but ?dahdi_scan? not and I cannot use it. >lsppci: *0a:00.0

Hello! I am trying to configure my digium TE220 dual-span pci express card with Dahdi. I seemed to have managed to set up the card with the Dahdi kernel, as demonstrated by executing dahdi_scan: [1] active=yes alarms=RED description=T2XXP (PCI) Card 0 Span 1 name=TE2/0/1 manufacturer=Digium devicetype=Wildcard TE220 (4th Gen) location=Board ID Switch 0 basechan=1 totchans=31 irq=16

Hi, I have 2 servers: one is running 2 B410P cards with 8 euroisdn lines (mISDN) connected on it, everything runs fine. I prepare a new server - HP 360 G8- with 2 HA8 cards each of them 1 module of 4 lines. Already had with this machine an RMA on both cards as they was faulty and crashed the server. What happends is that when I connect cables on the HA8 modules (those cables are unpluged

I'm working on an Asterisk system with all of it's PRI ports configured with the LBO setting at 5, like this: span=3,0,5,esf,b8zs As of yet, I am unwilling to change the LBO to 0 to where it probably should be because the system is working and I'm not sure exactly what the LBO does. I'm aware some changes were made to deal with low audio levels. Does anybody know what audio

Hi all.. I`m with a problem in some E1 cards. The value of Bipolar Viol is too big, and some times the link seems well, but isn`t work correctly, like as if the link is down. Normally, I use to stop asterisk, remove the modules from my card, use modprove to set up they again, and start asterisk, and it come to work, but in some times I have to reboot the server, and then the value of

Hi, On my system I've got : CLI> dahdi show status Description Alarms IRQ bpviol CRC4 Fra Codi Options LBO B4XXP (PCI) Card 0 Span 1 OK 0 0 0 CCS AMI YEL 0 db (CSU)/0-133 feet (DSX-1) B4XXP (PCI) Card 0 Span 2 OK 0 0 0 CCS AMI YEL 0 db (CSU)/0-133 feet (DSX-1) B4XXP (PCI)

Hi all. I have this problem with my Digium 2E1 card and PRI, for hours It works well, with some meesages... [Aug 10 09:20:31] NOTICE[32270] chan_dahdi.c: PRI got event: HDLC Abort (6) on Primary D-channel of span 1 But PRI continue up....hours later... PRI go down. I thought the problem was in the telco, but the strange thing is that I have a loop cable in the second E1 and when I scan both E1

Hello, I have been struggling with the configuration of this card on my box. I have a T1 line and I am trying to setup asterisk with it. I followed all the instructions and I still see a blinking red light on the card. I use fedora 12. If everything is fine should I see a green line when I plug in the T1 line ? I want to isolate the issue so I di not start asterisk. When I run asterisk I get

Em (20:59:21), Asterisk Users Mailing List - Non-Commercial Discussion escreveu: >On Tue, Jun 21, 2005 at 08:09:52PM -0300, Alessandro wrote: >> >> Does Somebody know why no load modules to FXS? I used zaptel-1.0.7 >> version. > >What color are the modules? >Post your /etc/zaptel.conf > >-- >Mike Mike, The color is green, red ans bluw. Link

TE410P card down. I have three (3) TE410P in one machine running asterisk with SS7. My problems started last week when one of my cards started switching to E1 every time after reboot. I set the following in dahdi.conf and that solve the problem. /etc/modprobe.d/ options wct4xxp t1e1override=0x00 Now all 4 ports on that card is down with Red Alarm. I tried rebooting the machine and

zaptel compiles fine (make linux26) but when I modprobe ztdummy I get the follow error. [root@localhost zaptel]# modprobe ztdummy Notice: Configuration file is /etc/zaptel.conf line 0: Unable to open master device '/dev/zap/ctl' 1 error(s) detected FATAL: Error running install command for ztdummy System info: Linux localhost.localdomain 2.6.9-5.0.5.ELsmp #1 SMP Thu May 19 19:24:44

Hi all, Does somebody know why no load modules to FXS? I used zaptel-1.0.7 version driver. [root@server1 zaptel-1.0.7]# modprobe wctdm ZT_CHANCONFIG failed on channel 3: Invalid argument (22) Did you forget that FXS interfaces are configured with FXO signalling and that FXO interfaces use FXS signalling? /lib/modules/2.4.21-27.EL/misc/wcfxs.o: post-install wcfxs failed

Hi All I have problem with LIBMFCR2 for once Exchange I using Sangoma card, the firstly. my ssystem run successful with MFCR2, connected to E10 (Acatel Exchange), after that, i move connection connect to EWSD (Siemens), my system don't work. error protocol R2. my system: Asterisk CVS 1.1.X LibMFCR2 pre.005 and unicall-pre.005 this's my setting and my setting wanpipe1.conf

Hi, I'm having problems with a TE420P card, in which I cannot make calls using spans 2 through 4. After a couple of days of working correctly, spans 2, 3 and 4 start failing (can not make calls). The system is configured to work with SS7. After the ACM message goes out, immediately a REL message is returned. I searched for error messages in /var/log/messages and could not find a clue

I've got an asterisk 1.4.24 box with dahdi complete 2.1.0.3+2.1.0.2 I've got a 2 port T2XXP card attached with on T1 currently plugged in. Inbound calls work fine, but outbound fail with the rather cryptic: [May 19 17:28:07] WARNING[11360]: app_dial.c:1237 dial_exec_full: Unable to create channel of type 'DAHDI' (cause 0 - Unknown) There are similar threads I've found on the