[Asterisk-Users] SIP Subscriptions

Steve Totaro stotaro at totarotechnologies.com
Tue Dec 20 21:49:21 MST 2005


I hope you are just having a breakdown and aren't normally like this.


> 
> Well, I know I will be attacked for saying this, as cursed are those
who
> say anything bad about Asterisk, but for an application that is
> 'enterprise-grade' as Digium tourts, it has several flaws that IMHO
> disqualify it as 'enterprise-grade'. I mean, really, c'mon... think
about
> it... an application that doesn't support the use of a database for
common
> location/registration information is hardly 'enterprise-grade'. Just
off
> the top of my head, other disqualifiers would be:
> 
> 1. SIP subscriptions are stored in memory and cleared when you do a
> 'reload'. So, if you make any configuration changes and 'reload' you
lose
> all your BLF lights. People take this stuff for granted and expect it
to
> work.
> 
> 2. No common SIP registration information. Not even using realtime
with
> SIP users, which doesn't work, there's no way outside this to share
> location info between more than one (ie 'enterprise-grade') Asterisk
> systems.
> 
> 3. The 'Dial' application seem to have very limited ability to be able
to
> determine what SIP response it gets back from a peer. "Not Found",
"Busy",
> "Moved" etc. I know Asterisk isn't a SIP proxy, but without the
ability to
> check the SIP message status in a dial, it makes redundancy very very
> difficult. Redundancy is normally an important part of
'enterprise-grade'.
> Without this, how do you get upstream redundancy? I have something
working
> right now, but it isn't pretty!
> 
> 4. DNS SRV lookups aren't implemented properly. Another important part
of
> redundancy and 'enterprise-grade' software.
> 
> Before you all go ripping my head off and defecating down my neck for
> saying anything bad about Asterisk (well CF can, I expect that), this
is
> just my opinion based on real world frustrations with Asterisk. These
are
> intended to be constructive criticisms.
> 
> Maybe some from Digium will read this email and it will make a 0.001%
> contribution towards some of these things being fixed. Oh, and no... I
> can't switch to another solution. The decision was made above my head
to
> go with Asterisk. It's my job to make it do all that
'enterprise-grade'
> stuff.
> 
> Doug.
> 
> 
> 	-----Original Message-----
> 	From: pdhales at optusnet.com.au [mailto:pdhales at optusnet.com.au]
> 	Sent: Tue 12/20/2005 8:02 PM
> 	To: Asterisk Users Mailing List - Non-Commercial Discussion
> 	Cc:
> 	Subject: Re: Re: [Asterisk-Users] SIP Subscriptions
> 
> 
> 
> 	> C F <shmaltz at gmail.com> wrote:
> 	>
> 	> On 12/20/05, Douglas Garstang <dgarstang at oneeighty.com> wrote:
> 	> > Digium needs people like me, if they read this list that is.
> They sure
> 	> don't seem to be able to make real-world functionality
decisions
> on
> 	> their own.
> 	> >
> 	>
> 	> You are so right, how did we do without you the last few
> 	> years???????????
> 
> 	By living on baked beans and cabbage.
> 
> 	PaulH
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