Have you tried to load the driver with ec disable? Last time (long time ago) when I was working on a quad card, we weren't able to get ec to work with hardware ec on.
________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Alexander Sent: Thursday, September 27, 2007 10:59 AM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Problems Connecting Two Asterisk Installs ViaISDN PRI Cards Okay. I ordered a commercially made T1 crossover cable, connected all of the cables and rebooted both computers. I no longer get the 'Got S-frame while link down' or 'HDLC Bad FCS' errors. However, I still receive the series of 'Detected alarm on channel NN: Red Alarm' and 'Unable to disable echo cancellation on channel NN'. Followed by the alarms clearing. At this point I am confident that the cabling is not the problem. I have included my zaptel and zapata conf files again below. Is there a way to make the second TE120P card pass on the timing received from the first? (rather than using software timing for the pri_net signalling) The errors all seem to be about echo cancellation... What do I need to do to force asterisk to never disable echo cancellation? Thanks again for all of the help. Even though we have not found a solution yet I appreciate the help - and am still confident we will succeed! -Brian Machine1 ========= zaptel.conf ----------- defaultzone=us loadzone=us span=1,1,0,esf,b8zs bchan=1-23 dchan=24 span=2,0,0,esf,b8zs bchan=25-47 dchan=48 zapata.conf ----------- [trunkgroups] [channels] group=1 context=fromtelco signalling=pri_cpe switchtype=national channel=>1-23 group=1 context=frommachine2 signalling=pri_net switchtype=national channel=>25-47 Machine2 ========= zaptel.conf ----------- defaultzone=us loadzone=us span=1,1,0,esf,b8zs bchan=1-23 dchan=24 zapata.conf ----------- [trunkgroups] [channels] group=1 context=frommachine1 signalling=pri_cpe switchtype=national channel=>1-23
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