[asterisk-ss7] libss7 - two linksets with different DPCs but the same CIC Number

Lucian Raducanu lucian.raducanu at aeroglobal.ro
Wed Dec 17 02:02:48 CST 2014


Hi,

CLI> ss7 show cics 2
  CIC   DPC  DAHDI        STATE   BLOCKING
    2   150     33    NotInServ
    3   150     34    NotInServ
    4   150     35    NotInServ
    5   150     36    NotInServ
    6   150     37    NotInServ
    7   150     38    NotInServ
    8   150     39    NotInServ
    9   150     40    NotInServ
   10   150     41    NotInServ
   11   150     42    NotInServ
   12   150     43    NotInServ
   13   150     44    NotInServ
   14   150     45    NotInServ
   15   150     46    NotInServ
   16   150     47    NotInServ
   17   150     48    NotInServ
   18   150     49    NotInServ
   19   150     50    NotInServ
   20   150     51    NotInServ
   21   150     52    NotInServ
   22   150     53    NotInServ
   23   150     54    NotInServ
   24   150     55    NotInServ
   25   150     56    NotInServ
   26   150     57    NotInServ
   27   150     58    NotInServ
   28   150     59    NotInServ
   29   150     60    NotInServ
   30   150     61    NotInServ
   31   150     62    NotInServ



-----Original Message-----
From: asterisk-ss7-bounces at lists.digium.com [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Kaloyan Kovachev
Sent: Tuesday, December 16, 2014 1:08 PM
To: asterisk-ss7 at lists.digium.com
Subject: Re: [asterisk-ss7] libss7 - two linksets with different DPCs but the same CIC Number

Hi,
please show the output of "ss7 show cics 2"


On 2014-12-15 19:05, Lucian Raducanu wrote:
> Hi,
> 
> Tried this config and linkset 2 not coming up. Getting following
> errors:
> [Dec 15 17:14:58] WARNING[3481]: sig_ss7.c:1600 ss7_linkset: GRS on 
> unconfigured range CIC 2 - 31 PC 150 [Dec 15 17:15:13] WARNING[3481]: 
> sig_ss7.c:1600 ss7_linkset: GRS on unconfigured range CIC 2 - 31 PC 
> 150
> 
> On ss7 show linkset 2 I get:
> ss7 show linkset 2
> SS7 flags: 0x0
> SS7 linkset 2 status: Down
> SS7 calling nai: 3
> SS7 called nai: 3
> SS7 nationalprefix:
> SS7 internationalprefix:
> SS7 unknownprefix:
> SS7 networkroutedprefix:
> SS7 subscriberprefix:
> Switch type: ITU
> Our point code: 2162
> SLS shift: 0
> numlinks: 1
> numsps: 1
> ---------------------------------
> Adjacent SP PC: 18 STATE: DOWN
> TRA:  SENT    T19: not running T21: not running
> Routes:
> DPC       State        T6       T10
> Link ADJ_PC:SLC: 18:0 NetMngSLS: 0
> State:      INSERVICE,  UP
> STD Test:  passed
> Got, sent :
> Inhibit:
> Changeover: NO
> Tx buffer:  0
> Tx queue:   0
> Retrans pos 0
> CO buffer:  0
> CB buffer:  0
> Last FSN:   1
> MTP3timers:
> 
> Regards,
> Lucian
> 
> -----Original Message-----
> From: asterisk-ss7-bounces at lists.digium.com
> [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Lucian 
> Raducanu
> Sent: Monday, December 15, 2014 4:26 PM
> To: asterisk-ss7 at lists.digium.com
> Subject: Re: [asterisk-ss7] libss7 - two linksets with different DPCs 
> but the same CIC Number
> 
> Thanks,
> 
> system.conf is like you wrote. By mistake I paste the one used with 
> chan_ss7.conf.
> 
> I will try this config and get back with the results.
> 
> Regards,
> Lucian
> 
> -----Original Message-----
> From: asterisk-ss7-bounces at lists.digium.com
> [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Kaloyan 
> Kovachev
> Sent: Monday, December 15, 2014 4:08 PM
> To: asterisk-ss7 at lists.digium.com
> Subject: Re: [asterisk-ss7] libss7 - two linksets with different DPCs 
> but the same CIC Number
> 
> Hi,
> you have no dchan defined in system.conf so:
> 
> after "span=1,1,0,ccs,hdb3" add "dchan=1" or if you are using Digium 
> card "mtp2=1" and same for the other port but for 32 and exclude them 
> from bchans:
> 
> span=1,1,0,ccs,hdb3
> mtp2=1
> bchan=2-31
> 
> span=2,0,0,ccs,hdb3
> mtp2=32
> bchan=33-62
> 
> also in chan_dahdi.conf remove switchtype (it's ss7 not PRI), put 
> group before the linkset and sigchan after the channels:
> 
> language=en
> signalling=ss7
> ss7type=itu
> ss7_called_nai=national
> ss7_calling_nai=national
> 
> ;;;;;;;;;;;;;;;;;;;;;;;;;;
> group = 1
> linkset = 1
> networkindicator=national
> context=from-pstn
> pointcode = 2162
> adjpointcode = 2
> defaultdpc = 140
> 
> cicbeginswith = 2
> channel = 2-31
> sigchan = 1
> 
> ;;;;;;;;;;;;;;;;;;;;;;;;;;
> group = 2
> linkset = 2
> networkindicator=national
> context=from-pstn
> 
> pointcode = 2162
> adjpointcode = 18
> defaultdpc = 150
> cicbeginswith = 2
> channel = 33-62
> sigchan = 32
> 
> 
> On 2014-12-15 15:30, Lucian Raducanu wrote:
> 
> Hi,
> 
> At this moment I'm using chan_ss7 for this setup with two linksets.
> There is no problem in having same CIC numbering on each E1. There is 
> a problem with CGB and there is no BLO command I can use.
> 
> That is why I'm trying to config libss7. But I cannot find the proper 
> config in order to have same CIC numbering on the 2 E1s. The error I 
> get is:
> 
> WARNING[21451] sig_ss7.c: Linkset 1: SS7 RSC requested on unconfigured 
> CIC/DPC 2/150
> 
> WARNING[21451] sig_ss7.c: Linkset 1: SS7 RSC requested on unconfigured 
> CIC/DPC 3/150
> 
> and so on…
> 
> The linksets are combined.
> 
> Here is my dahdi system.conf:
> 
> loadzone = fr
> 
> defaultzone = fr
> 
> span=1,1,0,ccs,hdb3
> 
> bchan=1-31
> 
> #echocanceller=mg2,1-31
> 
> span=2,0,0,ccs,hdb3
> 
> bchan=32-62
> 
> #echocanceller=mg2,32-62
> 
> And my chan_dahdi.conf:
> 
> [trunkgroups]
> 
> annels]
> 
> language=en
> 
> context=from-pstn
> 
> switchtype=euroisdn
> 
> signalling = ss7
> 
> ss7type = itu
> 
> ss7_called_nai = national
> 
> ss7_calling_nai = national
> 
> linkset = 1
> 
> pointcode = 2162
> 
> adjpointcode = 2
> 
> defaultdpc = 140
> 
> cicbeginswith = 2
> 
> networkindicator=national
> 
> sigchan = 1
> 
> channel = 2-31
> 
> group = 1
> 
> context = from-pstn
> 
> linkset = 2
> 
> pointcode = 2162
> 
> adjpointcode = 18
> 
> defaultdpc = 150
> 
> cicbeginswith = 2
> 
> networkindicator=national
> 
> sigchan = 32
> 
> channel = 33-62
> 
> group = 2
> 
> context = from-pstn
> 
> Regards,
> 
> Lucian
> 
> FROM: asterisk-ss7-bounces at lists.digium.com
> [mailto:asterisk-ss7-bounces at lists.digium.com] ON BEHALF OF Gregory 
> Massel
> SENT: Monday, December 15, 2014 1:06 PM
> TO: asterisk-ss7 at lists.digium.com
> SUBJECT: Re: [asterisk-ss7] libss7 - two linksets with different DPCs 
> but the same CIC Number
> 
> I believe that the question was around one linkset with two DPCs and 
> the same CIC number range.
> chan_ss7 refers to this as "combined" linksets and it does NOT support 
> combined linksets with the same CIC range on each link.
> It gets all confused when trying to check for idle cic's and free 
> cic's back to the idle list as it doesn't match both the CIC and DPC, 
> only the CIC.
> 
> It will work if the linkset is not combined, however, if you receive 
> signalling from an STP via the one signalling link in respect of CIC's 
> related to the other link, it will get confused and such an 
> installation is quite common where there is an STP on the other end.
> 
> By contrast, libss7 handles this situation perfectly.
> 
> PS. Not knocking chan_ss7; it's great. Just saying that, for the 
> situation described below, it will not work properly.
> 
> On 2014/12/15 12:20 PM, Mitul Limbani wrote:
> 
> chan_ss7 also does, you need to define two different linksets to be 
> able to do this.
> 
> Regards,
> Mitul Limbani,
> Business Head,
> Enterux Solutions Pvt. Ltd.
> 110 Reena Complex, Opp. Nathani Steel, Vidyavihar (W), Mumbai - 400 
> 086. India http://www.enterux.com/ [1] http://www.entvoice.com/ [2]
> email: mitul at enterux.in
> DID: +91-22-71967196
> Cell: +91-9820332422
> 
> On Mon, Dec 15, 2014 at 3:49 PM, Gregory Massel <greg at csurf.co.za>
> wrote:
> 
> libss7 supports this but chan_ss7 doesn't.
> 
> On 2014/12/15 11:19 AM, Kaloyan Kovachev wrote:
> 
> Hi,
> it is absolutely normal to have such setup. Each linkset has it's own 
> CIC numbering
> 
> On 2014-12-15 01:06, Lucian Raducanu wrote:
> 
> Hi,
> 
> Is there any possibility to set up on the same asterisk box 2 E1s with 
> different DPCs but the same CICs? To be more explicit, the first E1 
> has CICs from 1 to 31 and the second E1 also has CICs from 1 to 31.
> First CIC on each E1 is the signaling link.
> 
> On December 2007 there was reported the same problem, but no solution.
> 
> Regards,
> 
> Lucian
> 
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