Hehe this is fun. Let me try rephrase it for wash:
How many users will be using this 'pbx' system?
Concurrentrly?
How fancy do you want your setup?
If you have a LAN, who is the primary vendor?
Any wan sites?
Is it for primarily internal or external communication? Etc etc etc

Sent from my iPad

On 1 Aug 2012, at 11:12, wa <wanangu@gmail.com> wrote:

lets say i have the PBX system,WAN link of upto 1mbps....

On Wed, Aug 1, 2012 at 10:55 AM, Odhiambo Washington <odhiambo@gmail.com> wrote:
There is no cost indicator without specifics!



On Wed, Aug 1, 2012 at 10:53 AM, wa <wanangu@gmail.com> wrote:
so how much is it?



On Wed, Aug 1, 2012 at 10:50 AM, Odhiambo Washington <odhiambo@gmail.com> wrote:
There is nothing like a "rough idea" when it comes to implementation.




On Wed, Aug 1, 2012 at 10:43 AM, wa <wanangu@gmail.com> wrote:
in terms of cost,who has a a rough idea on how much it can cost to implement VOIP,that is just the equipment and installation?


On Wed, Aug 1, 2012 at 9:48 AM, John Gitau <jgitau@gmail.com> wrote:
depending on your configuration then yes an E1 (the E1 really just guarantees the bandwidth). ie you can run VOIP over the E1. but and I suspect this is what you mean; traditional pbx's used circuit switching. it guaranteed the conditions for a call. However your upstream provider could very well be using some VoIP technology.

On Tue, Jul 31, 2012 at 2:25 PM, wa <wanangu@gmail.com> wrote:
John, the environment we dealing with is a call center and quality of a call is key,from what you just stated the E1 line is better in terms of quality as compared to VOIP and on the other hand voip is much cheaper but quality is not guaranteed???!!!!!


On Tue, Jul 31, 2012 at 1:36 PM, John Gitau <jgitau@gmail.com> wrote:
so if you draw a table two by two then compare costs, quality, reliability and overall levels of satisfaction. you will find alot more happiness with an E1 on quality and general satisfaction depending on who provides the E1.

I can guarantee an almost 80% reduction on costs with VOIP. But don't be hasty. And since we dont know your environment, almost everyone here is making assumptions.

If you get an ISP or integrator or if you're lucky to have an IP network that exists and works. VOIP is your best bet. But if you are a guy responsible for just buying something that works and your technical teams hide and work when they feel like, and were not even able to tell you which is better before you wrote to skunkworks, insist on an E1. Since you are not very tech. I assume you wont know how to deal with voip issues if they crop up. E1 is easy, is it up or down - for the most part? quality voip as an application suffers significant impact from small tiny issues that can drive you up the wall.

hth gitau

On Tue, Jul 31, 2012 at 12:12 PM, wa <wanangu@gmail.com> wrote:
Afternoon guys,i need help on the subject above.I need to know the cost,benefits  and implications (positive and negative)

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I can't hear you -- I'm using the scrambler.


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