Well, to do an upgrade on a traditional system you have the same issues, perhaps even worse as everything is physically wired to one system. To develop for production you must have a dev environment, a beta test and a scheduled release right?
Todd Jonathan Moore <[EMAIL PROTECTED]> wrote: __________ >These are good issues, but I am even thinking of something simpler and more >common than crises. Such as this scenerio. > >I need to update my Asterisk server that runs all my phones inorder to install a > kernel update that fixes a security bug. This is something I would consider >happening on a regular basis with a voip enable system, whereas the traditional >system might sit in a closet for 10 years never being touched. Let's say I don't >want to stay at work until 2 am to reload the system when noone is there. How >would you configure and * system(s so that you could take a system offline >during working hours without taking out all or parts of the system? > >I have read everything I can find on * in regards to this and I am still not >really sure how to deal with the situation. I think the "standard" answer is to >use multiple * servers with tdmoe (hope I got that right), but it seems like for >this to work redundantly you have to have all your IP phones be multi-server >aware. I have tested a lot of phones both hard and soft and it seems like few >models do this. For instance, I would really like to use some Grandstreams for >some areas, but I don't see how to put in any redundancy at the server level >with them as the clients. > >Any ideas? >-- >Jonathan Moore >Director of Technology >Winfield Public Schools >Office 620.221.5100 >Fax 620.221.0508 > > >Quoting Adthrawn <[EMAIL PROTECTED]>: > >> Hi, >> >> Most companies we work with, have 'designated' crisis management teams. >> These vary from the insignificant crisis', through to life-threatening >> crisis'. There is always an assigned emergency services contact, whose >> job it is in an emergency, to maintain communication with the emergency >> services. >> >> One of our corporate functions is crisis management - so we have to >> consider the global repercussions and the ultra-fine detail at the same >> time. From considering overall redundancy of the phone system, down to >> the tiny, but significant detail - like "the phone system caused the >> fire"... Basically, taking the worse case scenario, and making it >> worse. >> >> At the very least, we always ensure that there is at least one PSTN >> line that is run through armored trunking to an analogue phone in a >> fire-proof cabinet. Simply put, a classic Hollywood style "red phone" >> with one button and a giant red flashing light. (Okay, full keypad and >> no flashing light, but you get the idea). >> >> The reality is, that 999 or 911 redundancy has nothing to do with the >> phone system per-say, it's down to the crisis procedures of the >> company. Think of it this way; what happens if a fire breaks out on a >> large plant? First, you'd have the staff who found it phoning emergency >> services. Next, you'll have the security office phoning the emergency >> services... Next, staff in the nearest office are likely to phone the >> emergency services, not to mention lorry drivers or forklift drivers on >> their mobiles! >> >> On top of this, in most places that a crisis would occur, there is >> little possibility of installing phones - period. Most plants rely on >> mobiles, walkie-talkie or DECT phones. The number of armored cables >> I've seen ripped in half, or optical spurs that have been cut by >> diggers - VoIP and traditional PBX's have no coverage of these areas - >> forget redundancy! >> >> So at this point, the emergency services have been contact about the >> crisis three or four times... Possibly three or four addresses, >> depending on the registration of the phone itself. What if the fire >> brigade need to know what special equipment to bring? Chemicals to deal >> with? They'll phone the company, and will probably get a confused >> receptionist... She's been answering calls all day - she doesn't know >> there's a fire on a production line on the other side of the plant. >> >> Now, with a crisis plan, the following would happen. In an emergency, >> the person discovering it would contact the crisis manager, or one of >> his/her subordinates. If it's a major emergency, then the person >> discovering this may have had to call the emergency services first. >> Nonetheless, this is all reported to the crisis manager. The crisis >> manager does a number of things, one of which is to be the crisis >> manager. Sound bizarre? Well, no. Their job, is partly to be a central >> point of communication. Any calls coming in regarding emergencies will >> be patched directly to this person. In the event of phone system >> failures or major disasters, then the person will have an emergency >> phone on which to call out on. >> >> It's actually more dangerous to empower people in an emergency, then it >> is to reduce the number of people involved, and to tightly control the >> situation. >> >> If anybody is interested in crisis management, or looking at ways of >> legally solving this problem, then let me know >> >> Best, >> Ad. >> >> >> On 6 Jan 2004, at 6:35 pm, [EMAIL PROTECTED] >> wrote: >> >> > Message: 7 >> > From: "Jim Flagg" <[EMAIL PROTECTED]> >> > To: <[EMAIL PROTECTED]> >> > Subject: Re: [Asterisk-Users] 911 and lawsuits and redundancy >> > Date: Tue, 6 Jan 2004 13:06:34 -0500 >> > Reply-To: [EMAIL PROTECTED] >> > >> > ----- Original Message ----- >> > From: "Jonathan Moore" <[EMAIL PROTECTED]> >> > To: <[EMAIL PROTECTED]> >> > Sent: Tuesday, January 06, 2004 12:34 PM >> > Subject: Re: [Asterisk-Users] 911 and lawsuits and redundancy >> > >> > >> >> This is esp true of any VoIP PBX system. In fact I think many of them >> >> run Windows. >> >> >> > >> > Or VOIP in general. This is what Vonage makes you agree to in their >> > Terms of Service. >> > >> > "2.4 Requires Activation: >> > You acknowledge and understand that 911 dialing does not function >> > unless you have successfully activated the 911dialing feature by >> > following the instructions from the "Dial 911" link on your dashboard, >> > and until such later date that such activation has been >> > confirmed to you through a confirming email. You acknowledge and >> > understand that you cannot dial 911 from this line unless and >> > until you have received a confirming email. >> > >> > 2.5 Failure to Designate the Correct Physical Address When Activating >> > 911 Dialing: >> > Failure to provide the current and correct physical address and >> > location of your Vonage equipment will result in any 911 >> > communication you may make being routed to the incorrect local >> > emergency service provider. >> > >> > 2.6 Requires Re-Activation if You Change Your Number: >> > You acknowledge and understand that 911 dialing does not function if >> > you change your phone number unless and until you have >> > successfully activated the 911 dialing feature following the >> > instructions from the "Dial 911" link on your dashboard, and until >> > such >> > later date that such activation has been confirmed to you through a >> > confirming email. 911 dialing must be re-activated. Although >> > you may have activated 911 dialing with your former Vonage phone >> > number, you must separately activate 911 dialing for any new >> > number. >> > >> > 2.7 Change of Physical Location of Vonage Equipment: >> > You acknowledge and understand that 911dialing does not function >> > properly or may not function at all if you take your equipment with >> > you away from the address or physical location that you have >> > designated. >> > >> > 2.8 Requires Re-Activation if You Move: >> > You acknowledge and understand that 911 dialing does not function >> > properly or at all if you move or change the physical location of >> > your Vonage equipment to a different street address, unless and until >> > you have successfully activated the 911 dialing feature >> > following the instructions from the "Dial 911" link on your dashboard, >> > and until such later date that such activation has been >> > confirmed to you through a confirming email. 911dialing must be >> > re-activated although you may have activated 911 dialing using your >> > former address, and you must separately activate 911 dialing for any >> > new physical address. Failure to provide the current and >> > correct physical address and location of your Vonage equipment will >> > result in any 911 dialing you may make being routed to the > >--- message truncated --- _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users