[asterisk-ss7] number of sigchans on single linkset

Abdul Basit basit.engg at gmail.com
Fri Mar 16 08:43:27 CDT 2012


Here are my configs:

/etc/dahdi/system.conf
#
# Global data

loadzone        = us
defaultzone     = us

# Span 1: TE4/0/1 "T4XXP (PCI) Card 0 Span 1" (MASTER) HDB3/CCS
span=1,1,0,ccs,hdb3
bchan=1-15,17-31
mtp2=16
echocanceller=mg2,1-15,17-31

# Span 2: TE4/0/2 "T4XXP (PCI) Card 0 Span 2" HDB3/CCS
span=2,2,0,ccs,hdb3
bchan=32-46,48-62
mtp2=47
echocanceller=mg2,32-46,48-62

# Span 3: TE4/0/3 "T4XXP (PCI) Card 0 Span 3" HDB3/CCS
span=3,3,0,ccs,hdb3
bchan=63-77,79-93
mtp2=78
echocanceller=mg2,63-77,79-93

# Span 4: TE4/0/4 "T4XXP (PCI) Card 0 Span 4" HDB3/CCS
span=4,4,0,ccs,hdb3
bchan=94-108,110-124
mtp2=109
echocanceller=mg2,94-108,110-124

# Span 5: TE4/1/1 "T4XXP (PCI) Card 1 Span 1" HDB3/CCS
span=5,5,0,ccs,hdb3
bchan=125-139,141-155
mtp2=140
echocanceller=mg2,125-139,141-155

# Span 6: TE4/1/2 "T4XXP (PCI) Card 1 Span 2" HDB3/CCS
span=6,6,0,ccs,hdb3
bchan=156-170,172-186
#mtp2=171
echocanceller=mg2,156-170,172-186

# Span 7: TE4/1/3 "T4XXP (PCI) Card 1 Span 3" HDB3/CCS
span=7,7,0,ccs,hdb3
bchan=187-201,203-217
#mtp2=202
echocanceller=mg2,187-201,203-217

# Span 8: TE4/1/4 "T4XXP (PCI) Card 1 Span 4" HDB3/CCS
span=8,8,0,ccs,hdb3
bchan=218-232,234-248
#mtp2=233
echocanceller=mg2,218-232,234-248

---------------------------------------------------------------------------
/etc/asterisk/chan_dahdi.conf

;Dahdi Channels Configurations

[channels]
context=ss7in
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
relaxdtmf=yes
rxgain=0.0
txgain=0.0
group=0
callprogress=yes
callgroup=1
pickupgroup=1
immediate=no
accountcode=

signalling=ss7
ss7type=itu
ss7_called_nai=national
ss7_calling_nai=national
networkindicator=national
ss7_internationalprefix=00
ss7_nationalprefix=0

linkset=1
pointcode=1234           ;OPC - Our side
defaultdpc=5678          ;DPC - MSC end
adjpointcode=5678       ;ACP - MSC end

group=0

;port 1
sigchan=16
cicbeginswith=1
channel=1-15
cicbeginswith=17
channel=17-31

;port 2
sigchan=47
cicbeginswith=33
channel=32-46
cicbeginswith=49
channel=48-62

;port 3
sigchan=78
cicbeginswith=65
channel=63-77
cicbeginswith=81
channel=79-93

;port 4
sigchan=109
cicbeginswith=97
channel=94-108
cicbeginswith=113
channel=110-124

group=1

;port 5
sigchan=140
cicbeginswith=129
channel=125-139
cicbeginswith=145
channel=141-155

;port 6
;sigchan=171
cicbeginswith=161
channel=156-170
cicbeginswith=177
channel=172-186

;port 7
;sigchan=202
cicbeginswith=193
channel=187-201
cicbeginswith=209
channel=203-217

;port 8
;sigchan=233
cicbeginswith=225
channel=218-232
cicbeginswith=241
channel=234-248


Only 1st four slc are available. I commented out the rest.
Seems some config issue or so.

DAHDI Version: 2.3.0.1
Asterisk 1.6.2.10
libss7 version: 1.0.2

--
regards,

Abdul Basit



On Fri, Mar 16, 2012 at 6:09 PM, Gustavo Mársico
<gustavomarsico at gmail.com>wrote:

> 16, four bits.
> Please paste your config, I'd to create 12 using libss7 with no problems.
>
>
> On Mar 16, 2012, at 10:06 AM, Abdul Basit wrote:
>
> What is the max number of SLCs we can define on a single linkset?
>
> Is it possible to define 1 SLC per E1s for a 8 E1s server using libss7 or
> chan_ss7?
>
> Using libss7, trying to define 5 SLCs on a single linkset on 8 E1 server
> and getting following error.
>
> [Mar 16 17:53:45] ERROR[23775]: chan_dahdi.c:15561 linkset_addsigchan: Too
> many sigchans on linkset 1
>
> Any advise.
>
> --
> Regards,
>
> Abdul Basit
>  --
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