[VoIP] Asterisk-SIP Trunk

Mark Rudholm mark at rudholm.com
Sun Dec 23 09:59:18 CST 2007


CUPS is Common Unix Printing System, apcupsd is the daemon for APC UPSes.
They're not related to each other.

If you don't print, you can safely stop cups.

-Mark

windmill wrote:
> Lee,
>
> I don't have a Linux Desktop on my *boxes but I have seen cups loading 
> at start up, might that be the same thing? My APC RS500 came with 
> Windows software, my other UPSs are all Belkin and I have never yet 
> checked what software comes with them, I'll have to look into this a 
> little more closely. At the moment I use my UPSs to iron out the surges 
> or carry the loads in the majority of outages which generally are around 
> 30 seconds or less. I was asleep a few weeks ago when I heard one UPS 
> beeping, the Windows PC on the APC UPS had shutdown but two *boxes and a 
> second PC as well as my router and network switches were all still alive 
> after a 20 minute outage which I thought was pretty good. The house ELCB 
> had tripped presumably due to a large surge and I was able to reset it 
> as soon as I was aware of it but I don't supposde an outage that long 
> did the batteries in my UPSs any good at all.
>
> Brian
>
> Lee Spenadel wrote:
>   
>> Brian,
>>
>> I'm no guru myself, but here's the link to the i386 version of the apcups
>> daemon for Linux.  It's an RPM which means you double-click it from the
>> Linux desktop and it will automatically install.  I recently installed it
>> and it's working fine:
>>
>> http://sourceforge.net/project/downloading.php?group_id=54413&use_mirror=int
>> ernap&filename=apcupsd-3.14.2-1.el4.i386.rpm&68540459
>>
>> Lee
>>
>>
>>
>> -----Original Message-----
>> From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] On Behalf Of
>> windmill
>> Sent: Saturday, December 22, 2007 9:37 AM
>> To: Voice Over IP Tandem for Analog Switches
>> Subject: Re: [VoIP] Asterisk-SIP Trunk
>>
>> Lee,
>>
>> I would love to be able to do that but I don't know enough about Linux. 
>> I know that the UPSs can shutdown my Windows PCs because I have seen it 
>> in practice although I don't have any UPS comms set up at all at 
>> present. On the *boxes all the USB and serial ports are disabled to free 
>> up interrupts otherwise the X100P cards might not work.
>>
>> Brian
>>
>> Lee Spenadel wrote:
>>   
>>     
>>> Brian,
>>>
>>> Apparently you have bad PC Karma.  Perhaps your * boxes reside on top of
>>>     
>>>       
>> an
>>   
>>     
>>> ancient PBX burial ground...
>>>
>>> Seriously, why not image your hard drive so that when disaster strikes you
>>> can make a copy and slap it back in to a different machine.  Also, I would
>>> install the apcupsd on your Linux/ *box?  This way when the reserve power
>>>     
>>>       
>> of
>>   
>>     
>>> the UPS dips below a certain level it will send a shutdown command to the
>>> PC.  You won't have to run around shutting down the machines manually and
>>> they will be shutdown  gracefully.
>>>
>>> Lee
>>>
>>> -----Original Message-----
>>> From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] On Behalf Of
>>> windmill
>>> Sent: Friday, December 21, 2007 9:51 PM
>>> To: Voice Over IP Tandem for Analog Switches
>>> Subject: Re: [VoIP] Asterisk-SIP Trunk
>>>
>>> I'm still not sure why but I have lost four *boxes in the last year for 
>>> one reason or another. Something has become corrupted on the hard drives 
>>> and I'm fairly certain that the almost daily power outages a few months 
>>> ago had a great deal to do with it, that was before I had UPSs, they 
>>> will only carry the load for 15 or 20 minutes but it's enough for most 
>>> outages. Having said that there was a power fault yesterday which took 
>>> out my village and about 20 others around Lincoln yesterday at 0813 and 
>>> it took Central Electricity Networks 20 minutes to restore the supply by 
>>> which time I had manually switched off all my telephone and computer 
>>> equipment. I'll be shopping for more UPS kit in the January sales and 
>>> another PC or two if I can't get my old *boxes running again, I think 
>>> one has developed a motherboard fault which prevents it from reading the 
>>> hard drive.
>>>
>>> Nothing seems to go smoothly these days, I have been trying to get ahead 
>>> and delve deeper into Asterisk and Linux but things keep getting in the 
>>> way, so much so that I tend to describe myself as 'on permanent interrupt'
>>>     
>>>       
>> !
>>   
>>     
>>> Brian
>>>
>>> Lee Spenadel wrote:
>>>   
>>>     
>>>       
>>>> I can tell you that I have had no major problems rebuilding my * PBX on
>>>> Centos 4.5 and Asterisk 1.4.13.  It's been rock solid, though the Shared
>>>> Line Appearance is feature still eludes me :(
>>>>
>>>> Lee
>>>>
>>>> -----Original Message-----
>>>> From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] On Behalf Of
>>>> windmill
>>>> Sent: Friday, December 21, 2007 10:26 AM
>>>> To: Voice Over IP Tandem for Analog Switches
>>>> Subject: Re: [VoIP] Asterisk-SIP Trunk
>>>>
>>>> Ah yes FWD can be quite unreliable going down for hours at the weekend. 
>>>> For backup I have the FWD communicator on my desktop but generally both 
>>>> IAX and SIP are out together.
>>>>
>>>> I use Zoiper but also have Xlite and Express Talk with all three running 
>>>> from a single desktop.  I prefer real phones but  multiple softphones on 
>>>> a desktop are very handy for testing a dialplan from a single point. I 
>>>> guess I'll be doing some of that over the next few days now that I've 
>>>> had to rush my experimental *pbx6 into service and then I'll be looking 
>>>> to rebuild/update my failed *pbx2 possibly giving Fedora 8 a try as I 
>>>> got it on the front of a magazine last week.
>>>>
>>>> Brian
>>>>
>>>> Lee Spenadel wrote:
>>>>   
>>>>     
>>>>       
>>>>         
>>>>> I was having trouble with FWD running under iax - I don't think they
>>>>>         
>>>>>           
>> were
>>   
>>     
>>>>> supporting it well at the time, so I went the sip route.  I also use the
>>>>> X-lite soft phone which seems to work well too.
>>>>>
>>>>> Lee
>>>>>           


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