[asterisk-ss7] SS7 2 T1s >>> 2 linksets same point code

Paul Timmins paul at timmins.net
Fri Feb 5 13:48:53 CST 2010


Also it looks like you're using ANSI signaling with pointcodes that are 
not like 000-000-000 format. Is that intentional?

Dave George wrote:
> Found a typo in cicbeginswith that solve the CIC numbering.  
>
> We are now passing calls on both T1s.  However the d channels on the second
> t1 is not aligning.  See our config below.  The carrier is getting an alarm
> on his d channel on the second T1.  Carrier is using Nortel DMS.
>
>
> Link state change: NOTALIGNED -> IDLE
> Link state change: IDLE -> NOTALIGNED
>
> T4XXP (PCI) Card 0 Span 1                OK      0      0      0      ESF
> B8ZS YEL      0 db (CSU)/0-133 feet (DSX-1)
> T4XXP (PCI) Card 0 Span 2                OK      0      0      0      ESF
> B8ZS YEL      0 db (CSU)/0-133 feet (DSX-1)
>
> Chan_dahdi.conf
> cicbeginswith = 102
> sigchan = 1
> channel = 2-24
> sigchan = 25
> cicbeginswith = 126
> channel = 26-48
>
>
>
> system.conf
>
> span=1,1,0,esf,b8zs
> span=2,1,0,esf,b8zs
>
>
> bchan=2-24
> mtp2=1
>
> bchan=26-48
> mtp2=25
>
>
>
>
>
>
>
> Thanks,
> Dave George
> Teletone Inc.
> 561 674 3838
>
>
> -----Original Message-----
> From: asterisk-ss7-bounces at lists.digium.com
> [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Dave George
> Sent: Friday, February 05, 2010 12:31 PM
> To: asterisk-ss7 at lists.digium.com
> Subject: Re: [asterisk-ss7] SS7 2 T1s >>> 2 linksets same point code
>
> I decided to use 1 signaling link.  My new problem is that the CIC on the
> second T1 does not line up.  It is starting at 125 instead of 126.
>
> This is what the carrier want.
> T1 1:  Slot 1 D channel CIC 102 to 124
> T2 2: Slot 25 D Channel  CIC 126 to 148
>
> cicbeginswith = 102
> channel = 2-24
> cicbeginwith = 126
> channel = 26-48
> sigchan = 1
> sigchan = 25
>
>
> asterisk is counting 125 as a CIC.  See results from: ss7 unblock linkset 1
>
> Sending remote unblock request on CIC 122
> Sending remote unblock request on CIC 123
> Sending remote unblock request on CIC 124
> Sending remote unblock request on CIC 125
> Sending remote unblock request on CIC 126
> Sending remote unblock request on CIC 127
>
>
>
> Thanks,
> Dave George
> Teletone Inc.
> 561 674 3838
>
>
> -----Original Message-----
> From: asterisk-ss7-bounces at lists.digium.com
> [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Paul Timmins
> Sent: Friday, February 05, 2010 11:17 AM
> To: asterisk-ss7 at lists.digium.com
> Subject: Re: [asterisk-ss7] SS7 2 T1s >>> 2 linksets same point code
>
> You'll want to set up the same linkset, and use slc=0 and slc=1, the SLC 
> has to match what the remote end is using. This is of course assuming 
> you're connected using F links since the adjpointcode and defaultdpc are 
> the same as each other.
>
> Dave George wrote:
>   
>> Hi,
>>
>> I am using two T1 for SS7 on the same box.  Both T1s are using the same
>>     
> point codes.  I have each T1 setup as its own linkset (Linkset 1 and linkset
> 2).
>   
>> The second linkset is not coming up. 
>>
>> Is there any thing wrong with my config or setup?  Can I have both T1s
>>     
> usins the same point code.  I did it this way so that if 1 T1 goes down the
> second linkset and T1 stays up.
>   
>> [trunkgroups]
>> [channels]
>>  
>>  context=in_dahdi
>>   
>>  switchtype=national
>>  
>>  usecallerid=yes
>>  callwaiting=yes
>>  usecallingpres=yes
>>  callwaitingcallerid=yes
>>  threewaycalling=yes
>>  transfer=yes
>>  canpark=yes
>>   cancallforward=yes
>>   callreturn=yes
>>   echocancel=yes
>>   echocancelwhenbridged=yes
>>   signalling = ss7
>>   ss7type = ansi
>>  
>>   
>>  
>>   
>>  
>>  group=1
>>   callgroup=1
>>   pickupgroup=1
>>   ss7_called_nai=dynamic
>>   ss7_calling_nai=dynamic
>>   ss7_internationalprefix = 00
>>   ss7_nationalprefix = 0
>>   
>>  ; All settings apply to linkset 1
>>   linkset = 1
>>   context=in_dahdi
>>   pointcode = 157
>>   adjpointcode = 163
>>   defaultdpc = 163
>>   networkindicator=national
>>   cicbeginswith = 102
>>   channel = 2-24
>>   sigchan = 1
>>  
>>
>>  group = 2
>>  linkset = 2
>>  context=in_dahdi
>>  pointcode = 157
>>  adjpointcode = 163
>>  defaultdpc = 163
>>  networkindicator=national
>>  cicbeginswith = 126
>>  channel = 26-48
>>  sigchan = 25
>>
>>
>>
>>
>> Thanks,
>> Dave George
>> Teletone Inc.
>> 561 674 3838
>>
>>
>>
>>
>>   
>>     
>
>
>   




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