Hi all,
I have the following scenario:
The telco company uses 4 different Softswitchs to compose my SS7
interconnection, so 4 E1s to have redundancy. Each this one uses
channels 1 up to 31. The map of the firsts is equal the ID of the
asterisk channels, but the next ID´s isn't the same and the signaling
doesn't work. The telco cannot change the CIC configuration to have the
same CIC in my configuration. I have one TE405P. The only way to solve
this problem is change the CIC in the telco company or i can change CIC
maps in my asterisk box? Only the first E1 align with the first
softswitch. When I a place a call using channel 64 of my third E1,
telco doesn't have CIC 64, but have CIC 2 and the cannot be complete
because the CIC isn't the same. What is the solution?
First E1: Asterisk: 1 - 31 (16 signaling) - Alcatel: S12_01 1-31 (16
signaling)
Second E1 Asterisk: 32 - 62 (no signaling - voice only) - Alcatel:
S12_02 1 - 31
Third E1: Asterisk: 63 - 93 (no signaling - voice only) - NEC: NEAX_01
1 - 31
Fourth E1: Asterisk: 94 - 124 (16 signaling) - NEC: NEAX_02 1 - 31
All dpcs are different; each this one have an unique ID for each E1,
only problem is the signaling.
My configurations are:
system.conf:
span=1,1,0,ccs,hdb3
# termtype: unknown
bchan=1-15,17-31
mtp2=16
# Span 2: TE4/0/2 "T4XXP (PCI) Card 0 Span 2" HDB3/CCS
span=2,1,0,ccs,hdb3
# termtype: unknown
bchan=32-62
# Span 3: TE4/0/3 "T4XXP (PCI) Card 0 Span 3" HDB3/CCS
span=3,1,0,ccs,hdb3
# termtype: unknown
bchan=63-93
# Span 4: TE4/0/4 "T4XXP (PCI) Card 0 Span 4" HDB3/CCS
span=4,1,0,ccs,hdb3
# termtype: unknown
bchan=94-107,110-124
mtp2=108
# Global data
loadzone = us
defaultzone = us
chan_dahdi.conf:
[trunkgroups]
[channels]
context=interconexoes
ss7type=itu
signalling=ss7
ss7_called_nai=dynamic
ss7_calling_nai=dynamic
networkindicator=national
echotraining=yes
echotraining=800
echocancel=yes
group=1
linkset=1
pointcode=100
defaultdpc=80
adjpointcode=80
cicbeginswith=1
channel=1-15
cicbeginswith=17
channel=17-31
sigchan=16
cicbeginswith=32
channel=32-62
pointcode=100
defaultdpc=90
adjpointcode=90
cicbeginswith=63
channel=63-93
cicbeginswith=94
channel=94-107
cicbeginswith=110
channel=110-124
sigchan=108
--
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