Hi Roger,
What hardware do you use to connect your asterisk
box to a PSTN carrier via C7/SS7 (instead of ISDN PRI)?
There is currently no native SS7 support within Asterisk. If your need is urgent you could source a protocol converter (PRI/C7) from a 3rd party like Telesoft (Okeford 4000 etc.) but the costs are prohibitive compared to a very cost effective Asterisk platform.
There is an OpenSS7 project (See: http://www.openss7.org/asterix.html ) that is looking at such a stack for Asterisk but it appears to have stalled. Have a look in the mailing list archive for more info.
Out of interest, why do you need SS7 on your Asterisk build? (Which features etc. are you looking to support?)
I can';t speak for anyone else, but my interest in SS7 is academic. I'd like to include a chapter or two on the "softswitch" movement, where traditional CO/EO switches are replaced by an MGC/MG and related components like an application server, media server and signaling converter/gateway). It would be valuable for students in an Intro to VoIP course to have even just minimal hands-on experience with SS7 messages, the three types of nodes (SSP, STP, SCP), the systems they connect to (traditional CO/EO switches, softswitches and databases), and basic operation of the protocols, especially TCAP, SCCP, and ISUP. If you're interested, see our course notes at:
http://vedatel.com/Isdn/voip_ss7_softswitch.html#mozTocId41743
-- TT
Regards
Darren -- Telco>Internet<Broadcast
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Roger Schreiter Sent: 10 May 2004 13:48 To: [EMAIL PROTECTED] Subject: [Asterisk-Users] Signalling C7 / SS7
Hi,
has anybody out there experience with those server grade connections?
What hardware do you use to connect your asterisk box to a PSTN carrier via C7/SS7 (instead of ISDN PRI)?
Thanks for any hints! Roger Schreiter.
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