[asterisk-users] Need Reference sites

[Jon Weisman]

Steven,

Could you provide more information regarding the tmobile adapater you used? 
A link perhapse?

Thanks,
Jon

----- Original Message ----- 
From: "Steven" <asterisk at tescogroup.com>
To: <asterisk-users at lists.digium.com>
Sent: Monday, November 05, 2007 7:40 AM
Subject: Re: [asterisk-users] Need Reference sites


> We have implemented asterisk.
>
> We are a tier one automotive tooling supplier.
>
> We have approx. 120 extensions in use plus 8 fax extensions.
>
> We also have a two port cell phone adapter so when we call out T-Mobile 
> phone, we are using the free (included) T-mobile to T-mobile minutes.
>
> We have also added an IAX2 activeX control to our website, so that people 
> can call us for free.
>       This was originally added for overseas JVs to call us without cost.
>
> Notes for cost savings:
>
> We kept the main panel (was a 3 panel system) of our old PBX to use for 
> its analog extensions for faxing.
>    This lets us keep our fax lines as TDM, so there are no fax over IP 
> issues.
>    We use a PRI cable to connect the asterisk and old PBX.
> We used Citel digital extension converters to reuse our old NEC phones as 
> SIP extensions.
>    This made our phone costs one third of what it would cost to buy new IP 
> phones.
>    The negative here is that we still have to maintain our two wire 
> extension cables.
>
> We did this change mostly for the feature set.
> We do have a few IP phones (wireless and wired) for areas of our shop that 
> did not have two wire phone lines.
>
> We currently have consolidated down to one building, but when we next 
> expand, a VOIP phone system will really shine in its cost savings.
>
> I did this all myself.  It was not too difficult once you get into it.
>
> We started off by dropping the asterisk server between the Telco and old 
> PBX using PRI.
> We then converted over to asterisk's voice mail, CDR and conferencing 
> (web-meetme).
> We ran like this for a few months with only my extension on the new 
> system. (for testing and adding features)
> We had a catch-all rule in asterisk where all _5XXX calls were forwarded 
> to the old PBX.
>
> When we started the rollout:
> We just defined the extension in asterisk so inbound calls would stay in 
> asterisk and go to the new extension.
> We removed the extension number from the old PBX, so calls to the 
> extension from the old PBX would be dialed as an outside call and go to 
> asterisk.
> This allowed us to take our time rolling out the new system.  We moved 
> maybe 1 or 2 extensions a day and could do it during work hours.
>
> Our total purchased cost was $9000.
> I did not track my time exclusive to this project, so I do not have a 
> dollar figure for it.
> Much of this time was fun for me though.
> I actually had to change the source code (I am not a programmer and do not 
> know how to write C, but I can read and alter code OK).
> Our old PBX would hang up if we tried to send callerID.  Our telco at the 
> time was sending only the number, but asterisk was send number and name.
> I added a config option to allow for this and it was added to the source 
> code at Digium.
> Now we have changed Telcos and we have name and number in asterisk and 
> only number at the fax machines, which is fine.
>
> At this point, we are running asterisk with no source code changes. (this 
> makes upgrades easier)
>
> I hope this helps.
>
> -- 
> -- 
> Steven
>
> http://www.glimasoutheast.org
>
>
>
> "Michael Davidson" <michael at bbd.co.za> wrote in message 
> news:472E5B38.2080609 at bbd.co.za...
>> Hi,
>>    I'am comparative newbie to the world of Asterisk. I'd like to
>> introduce an Asterisk based PBX into my company but need to convince my
>> executive of it's worthiness. I need some reference sites to quote in my
>> discussion, preferably well known companies of course. I have surfed the
>> net but not come up with anything of note, if anyone can help it would
>> be greatly appreciated.
>>
>> Thanks, Mike D.
>>
>>
>>
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