[asterisk-ss7] SS7<--->EuroISDN converter

[Balgansuren Batsukh]

I am going to have max 4xE1 trunk to each direction (Alcatel/Siemens and AS5300), if possible to use Asterisk+libss7 solution in production system. 
Then woulde like to start with 2xE1 trunks. Can you give me idea on configuration of libss7 and Asterisk?

By the way any cost information on Sangoma or Dicea's solution.

Thanks you,
Balgaa
  ----- Original Message ----- 
  From: Krzysztof Drewicz 
  To: asterisk-ss7 at lists.digium.com 
  Sent: Saturday, January 24, 2009 11:01 PM
  Subject: Re: [asterisk-ss7] SS7<--->EuroISDN converter




  2009/1/24 Marcelo Pacheco <marcelo at m2j.com.br>

    Wrong. Asterisk will not function as a pure converter. All calls will
    need to be switched, so if you intend on having 8 E1 coming from the
    EWSD, you will need 16 E1 on Asterisk.
    That is doable using 2x8 E1 PCI xpress cards, or a 4 PCI slot
    motherboard and 4 quad PCI E1 cards. You'll need to disable echo
    canceling to avoid running out of cpu. And it will depend on the volume
    of call setups. Your mileage will vary.

    An EWSD should be able to do EuroISDN anyways...



  Alcatel's S12 (well, it was made long time ago and not by Alcatel) also should talk DSS1 aka EuroISDN natively, but (as very many new designs) it may need extra license to speak EuroISDN, so sometimes Asterisk is not expensive way to add SS7/EuroISDN/SIP/IAX/H323 capability to existing pbx.

  if running so many E1, I whould recomend on seeing Sangoma's option for ss7box or Dicea's solution to be able to have at least two servers, and cluster capability. And i whould go not for one box, but many box, it would allow for some redundancy (>=2 signaling links) and possibility to extend hardware to support more E1s.

  Regards,


  -- 
  Krzysztof Drewicz
  +48 504 17 55 77



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