[asterisk-dev] ISUP over MGCP and/or SIP - A Project and BOUNTY

[alex at pilosoft.com]

On Tue, 9 May 2006, Ahmed Naji wrote:

> The setup will be such that F-Links will be extracted from the PRI
> circuit(s) and handed over to Asterisk for call processing. The
> interface would be implemented as a channel (e.g. chan_mgcpisup), much
> the same way as chan_ss7 is implemented. Where implementation is via
> SIP, Asterisk would implement 3rd Part Call Control to get the gateway
> to talk ISUP, and handle the signalling payload in a SIP-enveloped
> message. The latter (i.e. SIP implementation is preferred).
> 
> I am thinking to handover the signalling in an H.225 payload, process it 
> and hand it over back to the gateway the same way it came: i.e. 
> SCCP/MTP3/MTP2 ..etc.
> 
> Bounty wise, I am thinking $5,000 for a documented, demostrable version,
> with further bounties put on mile-stones.
I think bounty is too low.

Also, possibly, a better idea is to enhance chan_ss7 to support (instead 
of zaptel) the SIGTRAN stack (from openss7.org). SCTP *is* a standardized 
protocol after all...