[asterisk-ss7] Asterisk as an STP with chan_ss7 or libss7

Kevin P. Fleming kpfleming at digium.com
Thu Oct 6 09:27:59 CDT 2011

On 10/06/2011 09:23 AM, Chris Twombly wrote:
> I would like to hook up 3 Asterisk boxes to test SS7 functionality but I
> would like to send a bearer trunk between boxes and A and C and then
> send the signaling links to box B from A and C, respectively.  This
> would make box B behave as an STP.  Is this possible with the current
> version of chan_ss7 or libss7?
> Can anyone recommend using libss7 or chan_ss7 for particular reasons?
>   Having briefly looked at both, it appears they both perform similar
> functions with chan_ss7 being a channel driver that has its own config
> file and libss7 being a library that has its configurations integrated
> with chan_dahdi.conf.  Are they basically just two different approaches
> for implementing the same/similar functionality?

No, there is no support in any current Asterisk SS7 solution for it act 
as an STP. That's essentially an 'SS7 proxy', and Asterisk doesn't have 
the ability to act that transparently.

Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
Jabber: kfleming at digium.com | SIP: kpfleming at digium.com | Skype: kpfleming
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at www.digium.com & www.asterisk.org

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