[asterisk-ss7] Asterisk SS7, SG, MG and MGCP

[Matthew Fredrickson]

Anton wrote:
> Hey Matthew, good to hear that!
> If you are willing to write the driver compatible for HUAWEI 
> MGCP/MEGACO (telco grade) gateways, I have 1 port gateway 
> here, and can donate it for this task.

Let me think about it.  I would like to do both components (media 
gateway and media gateway controller), so it's just a matter of which to 
do first.  I started on the media gateway earlier this summer, but I'm 
thinking about scrapping what I have and modifying Asterisk so that it 
could be a Media Gateway instead of doing a standalone application.  If 
I decide to stop, I may just start working on the media gateway 
controller instead.  The only reason I started with the media gateway 
was the lack of a true media gateway to test against when writing the 
new channel driver.

Matthew Fredrickson

> 
> On Thursday 14 August 2008 20:25, Matthew Fredrickson wrote:
>> Anton wrote:
>>> As SS7 MGCP you probably mean MEGACO protocol?
>> I'm thinking I'd start with MGCP, since it is a text
>> based protocol instead.
>>
>>> Unlikely this could be seen in asterisk anytime soon...
>> That's likely.  It's going to take a while to do this. 
>> I've started playing with this, and the first thing I've
>> started doing is writing my own MGCP media gateway, so I
>> have something to test against (I don't have any MGCP
>> equipment here).  Then I'll start the channel driver.
>>
>> Matthew Fredrickson
>>
>>> On Thursday 14 August 2008 11:11, voip me wrote:
>>>> Dear Matthew,
>>>>
>>>> What do you think , how could one improve it then, you
>>>> think chan_dahdi should speak MGCP or any request show
>>>> come up to channel then bridged (or in some other way)
>>>> to an MGCP channel (not the current but a changed MGCP
>>>> channel) and the rest.
>>>> I have another question Matthiew, are you familiar
>>>> with MGCP, how could one address a channel on gateway?
>>>>
>>>> Regards.
>>>> --
>>>> MSH
>>>>
>>>> On 13/08/2008, Matthew Fredrickson
>>>> <creslin at digium.com>
>>> wrote:
>>>>> voip me wrote:
>>>>>> Dear Folks,
>>>>>>
>>>>>> Sorry for my ambigouse subject. I want to set the
>>>>>> following solution and need your idea's and
>>>>>> experinces. I want to setup an asterisk box with one
>>>>>> E1 link containing 4 or 5 SS7 signalling links and
>>>>>> have two or three asterisk boxes each with 8 E1
>>>>>> (voice only) as media gateway. What is your idea's,
>>>>>> is it possible, it seems MGCP is for this case but
>>>>>> aa more i look in asterisk MGCP channel less I get
>>>>>> what's its usage. Any one could shed some lights on
>>>>>> this topic, im somehow mixed up. How could I control
>>>>>> the media gateway asterisks to tell them which
>>>>>> channel has a call and where it should go?
>>>>> Asterisk's chan_mgcp does not support being a media
>>>>> gateway right now. You can only control media
>>>>> gateways. Also, Asterisk doesn't currently support
>>>>> signalling reception on anything other than a DS0
>>>>> directly connected to the machine.
>>>>>
>>>>> You're not going to be able to control media gateways
>>>>> either that are signalled via SS7, since chan_dahdi
>>>>> does not speak MGCP.
>>>>>
>>>>> These are both things that I would like to improve
>>>>> though...
>>>>>
>>>>> Matthew Fredrickson
>>>>> Digium, Inc.
>>>>>
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