E1 setup problem
Submitted by lenci_xc on Thu, 07/05/2007 - 8:54am.
Hello everybody
Recently I started installing an E1 PRI ISDN to my PBX. The E1 commes from the local Telco. They are using an Alcatel pbx (that's all they told me). I have done the configuration as found in a lot of webs as follows:
==========================
zaptel.conf
------------------
loadzone = us
defaultzone = us
span=1,0,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16
zapata.conf
--------------------
[channels]
switchtype = euroisdn
signalling = pri_cpe
usecallerid = yes
busydetect=no
callprogress=no
pridialplan=unknown
context = incoming-zaptel
group = 1
channel => 1-15
channel => 17-31
========================
I have connected the cable (4 wire) to the Digium TE212P card I had a green light (which means OK). then I logged in the PBX and used ztcfg -vv and then zttool. On the ztcfg I got all 31 channel configured properly (16 being the control channel) (actually I have 62 channels since TE212P is a 2 span card but I'm using only one as the other one is connected to a Hypermedia GSM gateway and it does work fine).
Using the zttool I saw that the span I'm using to connect the E1 PRI is showing REC (recovering) and sometimes RED/RED (red alarm/recovering).
I did a loop and tested with the telco guys and they saw the loop (OK)
They did a loop and I saw it back (zttool showed OK)
The problem is obvious. there should be some misconfiguration.
Can anybody see what is going wrong?
Thank you in advance
Lorenc
To setup a PRI
Fri, 07/06/2007 - 12:38pm
You have to know from the provider: Protocol in this case is (hdb3) and Framing (crc4). Since you are not sure, why don't you try nocrc4?
Also try to find out as many info as you can about the PRI. The D channel (16) is the default in a E1 and should be OK since your channels including the D are up.
Let me know.
You'll need to specify a
Fri, 07/06/2007 - 12:47pm
Member Since:
2006-09-08