[Asterisk-Users] Channel Restart - problem with Asterisk spliced between Arcor E1-PRI and Ericsson BP250

[Klaus-Peter Junghanns]

Hi,

restarting the B channels is a normal process on PRIs. Nothing to worry
about as long only idle B channels are restarted.

best regards

Klaus

Am Donnerstag, den 27.01.2005, 13:10 +0100 schrieb Frank Sautter:
> hi,
> 
> well, most of the things work right now due to the help of peter 
> svensson, but after heavy use of our ericsson BP250 today several 
> problems appeared.
> i split into several mails as they are seperate problems.
> 
> * from time to time (sometime within a few minutes sometime after hours) 
> a complete PRI line or several PRI lines are kind of resetting (none of 
> my colleagues reported a call interruption though).
> could this be a problem of the length (around 4kilometres) of the line 
> between the telco switch and the NT providing the E1-PRI? The PRI line 
> itself is only 3 metres long.
> is this the line build-out parameter in /etc/zaptel.conf?
> or is this something with timing of the span?
> 
> my current settings are:
> 
> # 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)
> # 5: -7.5db (CSU)
> # 6: -15db (CSU)
> # 7: -22.5db (CSU)
> # TE405P/TE410P quad E1
> span=2,1,0,ccs,hdb3,crc4
> bchan=5-19,21-35
> dchan=20
> span=3,0,0,ccs,hdb3,crc4
> bchan=36-50,52-66
> dchan=51
> span=4,2,0,ccs,hdb3,crc4
> bchan=67-81,83-97
> dchan=82
> span=5,0,0,ccs,hdb3,crc4
> bchan=98-112,114-128
> dchan=113
> 
> 
> this is a excerpt from /var/log/asterisk/full
>   -- B-channel 0/1 successfully restarted on span 2
>   -- B-channel 0/3 successfully restarted on span 2
>   -- B-channel 0/5 successfully restarted on span 2
>   -- B-channel 0/6 successfully restarted on span 2
>   -- B-channel 0/7 successfully restarted on span 2
>   -- B-channel 0/8 successfully restarted on span 2
>   -- B-channel 0/9 successfully restarted on span 2
>   -- B-channel 0/10 successfully restarted on span 2
>   -- B-channel 0/11 successfully restarted on span 2
>   -- B-channel 0/12 successfully restarted on span 2
>   -- B-channel 0/13 successfully restarted on span 2
>   -- B-channel 0/14 successfully restarted on span 2
>   -- B-channel 0/17 successfully restarted on span 2
>   -- B-channel 0/18 successfully restarted on span 2
>   -- B-channel 0/19 successfully restarted on span 2
>   -- B-channel 0/20 successfully restarted on span 2
>   -- B-channel 0/21 successfully restarted on span 2
>   -- B-channel 0/22 successfully restarted on span 2
>   -- B-channel 0/23 successfully restarted on span 2
>   -- B-channel 0/24 successfully restarted on span 2
>   -- B-channel 0/25 successfully restarted on span 2
>   -- B-channel 0/26 successfully restarted on span 2
>   -- B-channel 0/27 successfully restarted on span 2
>   -- B-channel 0/28 successfully restarted on span 2
>   -- B-channel 0/29 successfully restarted on span 2
>   -- B-channel 0/30 successfully restarted on span 2
>   -- B-channel 0/31 successfully restarted on span 2
> 
> 
> regards
>   frank sautter
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