Re: [Asterisk-Users] Organization wide

2004-09-10 Thread Brandon Patterson (peering)



Cisco = Big $ email me direct and I will explain 
how you can save.

Brandon

  - Original Message - 
  From: 
  Tim 
  Jackson 
  To: [EMAIL PROTECTED] 
  
  Sent: Friday, September 10, 2004 4:03 
  PM
  Subject: [Asterisk-Users] Organization 
  wide
  
  
  After our department went to using 
  *, I’ve had several inquiries about doing VoIP for 
  my entire organization (Small county). We have ~10 locations with various 
  links in between (Mostly p2p T1s, some Frame (1.544mbps commit), some ISDN, 
  some VPN over 768kbit internet) Right now we’re using 
  several NEC Electra Elite systems, and 2 Nortel Meridian systems. In one of 
  the main locations we have 29 POTS lines going into the NEC system. At another 
  location we have a single PRI, and at a lot of the other locations we have 
  just analog phones. Cisco has approached us about using all Cisco equipment, 
  but their idea is going to be costly. Is it wise to use Asterisk on something 
  this big? I am not a PBX/Voice guy, I just do IP up 
  here right now. Any tips, pointers, design guides, or advice to 
  give?
  
  
  Tim 
  Jackson
  
  Network 
  Engineer
  
  Angelina 
  County, 
  Texas
  
  (936)639-4827 
  office
  
  (936)414-6723 
  mobile
  
  
  

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RE: [Asterisk-Users] Organization wide

2004-09-10 Thread Tim Jackson









How can we save? J





-Tim



-Original Message-
From: Brandon Patterson (peering)
[mailto:[EMAIL PROTECTED]] 
Sent: Friday, September 10, 2004 5:13 PM
To: Asterisk Users Mailing List -
Non-Commercial Discussion
Subject: Re: [Asterisk-Users]
Organization wide





Cisco = Big $ email me
direct and I will explain how you can save.











Brandon







- Original Message - 





From: Tim Jackson






To: [EMAIL PROTECTED] 





Sent: Friday, September 10, 2004 4:03 PM





Subject:
[Asterisk-Users] Organization wide









After our department went to using
*, Ive had several inquiries about doing VoIP for my entire organization
(Small county). We have ~10 locations with various links in between (Mostly p2p
T1s, some Frame (1.544mbps commit), some ISDN, some VPN over 768kbit internet)
Right now were using several NEC Electra Elite systems, and 2 Nortel
Meridian systems. In one of the main locations we have 29 POTS lines going into
the NEC system. At another location we have a single PRI, and at a lot of the
other locations we have just analog phones. Cisco has approached us about using
all Cisco equipment, but their idea is going to be costly. Is it wise to use
Asterisk on something this big? I am not a PBX/Voice guy, I just do IP up here
right now. Any tips, pointers, design guides, or advice to give?





Tim Jackson





Network Engineer





Angelina County, Texas





(936)639-4827
office





(936)414-6723
mobile











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RE: [Asterisk-Users] Organization wide

2004-09-10 Thread Tim Jackson
Woops, wasn't supposed to go to the list ;)

-Tim
-Original Message-
From: Tim Jackson 
Sent: Friday, September 10, 2004 5:16 PM
To: Brandon Patterson (peering); Asterisk Users Mailing List - Non-Commercial 
Discussion
Subject: RE: [Asterisk-Users] Organization wide

How can we save? H

-Tim
-Original Message-
From: Brandon Patterson (peering) [mailto:[EMAIL PROTECTED] 
Sent: Friday, September 10, 2004 5:13 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Organization wide

Cisco = Big $ email me direct and I will explain how you can save.
 
Brandon
- Original Message - 
From: Tim Jackson 
To: [EMAIL PROTECTED] 
Sent: Friday, September 10, 2004 4:03 PM
Subject: [Asterisk-Users] Organization wide

After our department went to using *, I've had several inquiries about doing VoIP for 
my entire organization (Small county). We have ~10 locations with various links in 
between (Mostly p2p T1s, some Frame (1.544mbps commit), some ISDN, some VPN over 
768kbit internet) Right now we're using several NEC Electra Elite systems, and 2 
Nortel Meridian systems. In one of the main locations we have 29 POTS lines going into 
the NEC system. At another location we have a single PRI, and at a lot of the other 
locations we have just analog phones. Cisco has approached us about using all Cisco 
equipment, but their idea is going to be costly. Is it wise to use Asterisk on 
something this big? I am not a PBX/Voice guy, I just do IP up here right now. Any 
tips, pointers, design guides, or advice to give?

Tim Jackson
Network Engineer
Angelina County, Texas
(936)639-4827 office
(936)414-6723 mobile


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RE: [Asterisk-Users] Organization wide

2004-09-10 Thread Tim Jackson
My current asterisk box is a Quad Xeon 450 (2mb cache) IBM Netfinity
7000. About how many SIP extensions (normal usage) would this machine
handle? 

What about redundancy? How would I implement an auto-failover Asterisk
box at a remote location, or could I?

Thanks,
Tim

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Friday, September 10, 2004 5:40 PM
To: Tim Jackson
Subject: Re: [Asterisk-Users] Organization wide

Tim Jackson [EMAIL PROTECTED] writes:

 After our department went to using *, I've had several inquiries about
 doing VoIP for my entire organization (Small county). We have ~10
 locations with various links in between (Mostly p2p T1s, some Frame
 (1.544mbps commit), some ISDN, some VPN over 768kbit internet) Right
now
 we're using several NEC Electra Elite systems, and 2 Nortel Meridian
 systems. In one of the main locations we have 29 POTS lines going into
 the NEC system. At another location we have a single PRI, and at a lot
 of the other locations we have just analog phones. Cisco has
approached
 us about using all Cisco equipment, but their idea is going to be
 costly. Is it wise to use Asterisk on something this big? I am not a
 PBX/Voice guy, I just do IP up here right now. Any tips, pointers,
 design guides, or advice to give?

Cisco hardware and software is amazingly expensive.  You can save lots
of money by using asterisk, digium hardware, and possibly Cisco
phones.  I recently helped our ~200 person, 10 location company
migrate away from an entire Cisco solution to one using asterisk with
Cisco handsets.  Not only is it vastly cheaper, but it is a much
easier system to manage and maintain.  I highly recommend you look
further into an asterisk system.

The only thing that stands out that might not work so well is the 29
pots lines in a single location.  Ideally you could install a PRI in
this location, but if not you'll need some other less common hardware
to handle all those lines.

On the IP side, the calls don't actually use up that much bandwidth,
probably 30kbits/sec/call if you use ILBC.  The only thing you need to
do is make sure that all the RTP packets are delivered with a higher
priority.  Either custom queuing or bandwidth reservation or both will
make everyone's life better.
-- 
Matt Ranney - [EMAIL PROTECTED]
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