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E1 not coming up
\ Alexander Zielke (28 Jun 2007)
. \ Matthew Fredrickson (28 Jun 2007)
. \ Alexander Zielke (29 Jun 2007)

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Subject:	E1 not coming up
Group:	Asterisk-users
From:	Alexander Zielke
Date:	28 Jun 2007

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Hello List,

since some days i run into the problem that one span on a TE407P is not
comming up correctly. With intense debug on that span i get:

< [ 02 01 7f ]

< Unnumbered frame:
< SAPI: 00 C/R: 1 EA: 0
< TEI: 000 EA: 1
< M3: 3 P/F: 1 M2: 3 11: 3 [ SABME (set asynchronous balanced mode
extended) ]
< 0 bytes of data
- -- Got SABME from network peer.
Sending Unnumbered Acknowledgement

> [ 02 01 73 ]

> Unnumbered frame:
> SAPI: 00 C/R: 1 EA: 0
> TEI: 000 EA: 1
> M3: 3 P/F: 1 M2: 0 11: 3 [ UA (unnumbered acknowledgement) ]
> 0 bytes of data
- -- Restarting T203 counter
- -- Restarting T203 counter
== Primary D-Channel on span 4 up

this looks good so far, but actually, these 2 messages repeat over and
over again.

At first i thought that there might be a problem with the carrier, so i
just swapped 2 of the connected PRIs, but the problem stayed persistent
on the same span.

Anyone ever run into a Problem like this aswell? I haven't found any
solution so far so i ask here.

asterisk/zaptel/libpri are all lates stable out of the 1.2 branch

and these are the related configs:

/etc/zaptel.conf:
span=1,1,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16

span=2,0,0,ccs,hdb3,crc4
bchan=32-46,48-62
dchan=47

span=3,0,0,ccs,hdb3,crc4
bchan=63-77,79-93
dchan=78

span=4,0,0,ccs,hdb3,crc4
bchan=94-108,110-124
dchan=109

span=5,0,0,ccs,hdb3,crc4
bchan=125-139,141-155
dchan=140

span=6,0,0,ccs,hdb3,crc4
bchan=156-170,172-186
dchan=171

span=7,0,0,ccs,hdb3,crc4
bchan=187-201,203-217
dchan=202

span=8,0,0,ccs,hdb3,crc4
bchan=218-232,234-248
dchan=233

loadzone=de
defaultzone=de

- -----------------

/etc/asterisk/zapata.conf:
[channels]
busydetect=no
callprogress=no
switchtype=euroisdn
immediate=no
overlapdial=yes
echocancel=no
signalling=pri_cpe
relaxdtmf=yes
resetinterval=60
txgain=2.0

context=incoming
group = 1
channel=>1-15,17-31
channel=>32-46,48-62
channel=>63-77,79-93
channel=>94-108,110-124
channel=>125-139,141-155
channel=>156-170,172-186
channel=>187-201,203-217
channel=>218-232,234-248

- --
with regards
Alexander Zielke
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