[asterisk-ss7] asterisk using only for signaling between sip/ss7/mgcp

[Michael Mueller]

you are correct; the long-held suspicion is that the mgcp between the pw
and mg has proprietary extensions; using wireshark to sniff the protocol
would be the first step; would need cold start, warm start, and normal
operations captures; normal ops would contain lot's of normal and abnormal
call scenarios; what's been missing for a long time is someone with the pw
that could provide captures of the protocol to the mg

however, i'd be more concerned about the legal aspects of such a project;
without effort one finds:  http://chillingeffects.org/reverse/faq.cgi

the motivation for using brand X MG is to make something big; testing
something big and deploying something big makes test case count and
complexity go up rapidly; developing big switches at lucent, nortel, cisco,
siemens, alcatel, ericsson enjoyed huge resources for testing; the linux
kernel has a huge testing base because the equipment to do it is cheap and
easily connected to the Internet; a large test base for testing large brand
X MG configurations would be difficult to assemble, organize, staff, and
maintain

On Thu, Mar 15, 2012 at 5:50 AM, Stefan Schmidt <sst at sil.at> wrote:

> Hello list
>
> i have read about chan_ccs which sound like what i want to try.
> we now have a Cisco PGW talking to a switch over m2ua (?!) and also some
> cisco 5400 media gateways connected to the same switch.
>
> When i understand this setup right (sorry i am not from the classic
> telephone world ;) then chan_ccs would be able to do the same what this
> cisco pgw does now. Receive sip and talk to the switch using m2ua or
> something like this and mgcp to the 5400er media gateways to establish a
> rtp connection from the 5400 and the sip client.
>
> is this a possible way for chan_ccs or am i completly wrong about it? Or
> is there even another way to do this?
>
> best regards
>
> stefan
>
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