MCI Vouches for Nortel's VOIP

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dljvjbsl 12/4/2012 | 11:58:10 PM

re: MCI Vouches for Nortel's VOIP
To date, the only companies that have success stories with the softswitch architecture have stuck to Class 4 and internet offload or are doing small IP PBX solutions.

IP PBXs would have a feature set that is as fully featured and complex as any Class 5 office. I have seen such systems working on top of softswitches. I admit though that this requires the skill on a top class architect and implmentation team.

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Physical_Layer 12/4/2012 | 11:58:10 PM

re: MCI Vouches for Nortel's VOIP Hey consultant - let me throw in a comment and see what you think.

"Who cares about the technology. Succession allows Sprint to operate fewer central offices, hence save money. That's all that matters".

Thoughts?

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TeleConsult 12/4/2012 | 11:58:05 PM

re: MCI Vouches for Nortel's VOIP Good Explantion on SoftSwitches.

http://www.cconvergence.com/ar...

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Consultant 12/4/2012 | 11:58:03 PM

re: MCI Vouches for Nortel's VOIP "Hey consultant - let me throw in a comment and see what you think.

"Who cares about the technology. Succession allows Sprint to operate fewer central offices, hence save money. That's all that matters".

We care because MCI is portraying this as a grand step forward - which it is not. It is an incremental step forward. It is a TDM network with IP trunking. The softswitch vision goes well beyond that.

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Iipoed 12/4/2012 | 11:58:01 PM

re: MCI Vouches for Nortel's VOIP Those who can't sell--- go into marketing

Those who can't------consultant

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Iipoed 12/4/2012 | 11:58:00 PM

re: MCI Vouches for Nortel's VOIP duh!

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dljvjbsl 12/4/2012 | 11:58:00 PM

re: MCI Vouches for Nortel's VOIP
Those who can't sell--- go into marketing
Those who can't------consultant

and those who cannot consult write one liners on Lightreading

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dljvjbsl 12/4/2012 | 11:57:59 PM

re: MCI Vouches for Nortel's VOIP doh!

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alchemy 12/4/2012 | 11:57:53 PM

re: MCI Vouches for Nortel's VOIP dljvbsl writes:
IP PBXs would have a feature set that is as fully featured and complex as any Class 5 office. I have seen such systems working on top of softswitches. I admit though that this requires the skill on a top class architect and implmentation team.

Actually, PBXs have a significantly larger feature set than Class 5 switches. I've done two PBXs and one Class 5 switch in my career. There's far more call processing code in a PBX.

The thing about IP PBXs that makes them easier to build and deploy is:
*They tend to be single vendor solutions other than maybe the SIP phones.
*They don't need to scale to 100,000 subscribers like a Class 5 switch.
*They don't need to meet five 9's availability requirements.

When you start doing multi-vendor integrations of a dozen piece parts and you're trying to build a robust and scalable Class 5 solution, it's quite a technical challenge.

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dljvjbsl 12/4/2012 | 11:57:47 PM

re: MCI Vouches for Nortel's VOIP
Actually, PBXs have a significantly larger feature set than Class 5 switches. I've done two PBXs and one Class 5 switch in my career. There's far more call processing code in a PBX.

The thing about IP PBXs that makes them easier to build and deploy is:
*They tend to be single vendor solutions other than maybe the SIP phones.
*They don't need to scale to 100,000 subscribers like a Class 5 switch.
*They don't need to meet five 9's availability requirements.

When you start doing multi-vendor integrations of a dozen piece parts and you're trying to build a robust and scalable Class 5 solution, it's quite a technical challenge.

With regard to these assertions about PBXs, I must say that I just disagree.

The reliability of PBXs in the case of institutions like police and hospitals is every much as critical as any Class 5 requirement. Can you imagine what would happen if the PBX in a police station or hospital was unreliable. The same can be said of other customers whose business activity depends on the issue of their PBX functioning.

Scalability is as scalability does. Scalability also extends to the issue of very small as well as very large systems. The amount of skill required to build an affordable fully featured PBX for the 40 line market is as much as that required to build very large COs. Indeed the building of very large systems allows the amortization of poor design decisions and their cost across a very large number of lines.

The issue of multi-vendor integration is a factor of today's technology environment and is not restricted to the CO market. PBXs are not built from scratch and use the same technological base as the Class 5 market.

The primary difficulty that a PBX design team faces that they must produce the same functionality as is required in the Class 5 market but sell it into a market that will not pay as much. I've found this in the 2 COs and the multiple PBXs that I have worked on.

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