[asterisk-ss7] Multi E1's in same linkset possible?

[Magnus Kelly]

Hello, Thanks for that - in order to also add a 2nd signalling link on the
2nd E1 is it also as simple as just declaring a 2nd entry as in "sigchan =
78, 47" or should this be a 2nd line?

 

-----Original Message-----
From: asterisk-ss7-bounces at lists.digium.com
[mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Matthew
Fredrickson
Sent: 21 April 2008 16:49
To: magnus.kelly at mapesbury.com; asterisk-ss7 at lists.digium.com
Subject: Re: [asterisk-ss7] Multi E1's in same linkset possible?

Magnus Kelly wrote:
> Hello all,
> 
>  
> 
> Could anyone share how to create a multiple E1 linkset to the same
upstream
> SS7 point-code msc.  Currently the below config works for a single e1 on
> span 3 - but I would like to add a second e1 into the same linkset (on
span
> 2) Is this possible? If so, how does one configure the 2 nd E1? & what's
the
> relationship between the Digium card and the linksets and SLC for this.

For adding another E1 as more bearer channels, it's as simple as adding 
the additional channels in your linkset declaration.  So below your 
channels that you have already declared, append another "cicbeginswith" 
line with your starting CIC for the first channel of the additional E1, 
and then append your "channel" line with the additional channels.

One nice thing about libss7 is that it doesn't care about your span 
configuration below it.  It only cares that you tell it which Zap/ 
channels to use, and which CICs are mapped to the Zap channels and it's 
happy.

Matthew Fredrickson

> 
> Thanks
> 
> Magnus
> 
>  
> 
> Zaptel.conf 
> 
> #
> 
> span=1,1,0,ccs,hdb3,crc4
> 
> bchan=1-15
> 
> dchan=16
> 
> bchan=17-31
> 
> #
> 
> span=2,0,0,ccs,hdb3,crc4
> 
> bchan=32-46
> 
> dchan=47
> 
> bchan=48-62
> 
> #
> 
> span=3,0,0,ccs,hdb3,crc4
> 
> bchan=63-77
> 
> dchan=78
> 
> bchan=79-93
> 
> #
> 
> span=4,0,0,ccs,hdb3,crc4
> 
> bchan=94-108
> 
> dchan=109
> 
> bchan=110-124
> 
> #
> 
> # Tone Zone Data
> 
> loadzone=uk
> 
> defaultzone=uk
> 
> #
> 
> ;
> 
> ; SS& Zapata - LibSS7 - 
> 
> ;
> 
> [trunkgroups]
> 
> ;
> 
> [channels]
> 
> ;
> 
> language=en
> 
> context=msc-in
> 
> signalling=ss7
> 
> callwaiting=yes
> 
> usecallingpres=yes
> 
> threewaycalling=yes
> 
> transfer=yes
> 
> canpark=yes
> 
> cancallforward=yes
> 
> callreturn=yes
> 
> echocancel=yes
> 
> echocancelwhenbridged=yes
> 
> group=1
> 
> callgroup=1
> 
> pickupgroup=1
> 
> ;
> 
> ss7type = itu
> 
> ss7_called_nai=dynamic
> 
> ss7_calling_nai=dynamic
> 
> ; All settings apply to linkset 3 - relates to Zaptel.conf links and
> (linkset in msc is same as SLC)
> 
> linkset = 3
> 
> pointcode = 1025
> 
> adjpointcode = 1024
> 
> defaultdpc = 1024
> 
> ; Begin CIC (Circuit indication codes) count with this number
> 
> cicbeginswith = 65
> 
> channel = 63-77
> 
> cicbeginswith = 81
> 
> channel = 79-93
> 
> ;
> 
> networkindicator=national_spare
> 
> ;
> 
> sigchan = 78
> 
> ;
> 
> END.
> 
>  
> 
> 
> 
> 
> ------------------------------------------------------------------------
> 
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-- 
Matthew Fredrickson
Software/Firmware Engineer
Digium, Inc.

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