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Question

Who makes Voicemail Systems for Cellular Providers?

Hi All,

I'm working on a research paper about voicemail systems used by cellular providers. I'm looking for who the big providers are and what cellular providers use them.

Also, I'm interested in how these systems interact with the Mobile Switching Center. I believe most connect using SS7, but where exactly do the voicemail systems reside? Are they actually in the MSC or are they located off-site. I don't need specific addresses, just if they are on or off site.

I've been browsing the web for nearly two weeks now and just can't seem to find the kind of information I'm looking for. So, I'm hoping someone who either works on the voicemail systems, installs them or knows anything about them can help me out.

Thanks for anything you can provide.

-Paul

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All Answers

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Answer
I'm surprised a little.

In reply to: Who makes Voicemail Systems for Cellular Providers?

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Still looking...

In reply to: I'm surprised a little.

Thanks Bob for the info.
But that's the type of stuff I keep uncovering. Mitel's Unified Communicator is directed towards business, not cellular providers. I'm more interested in what the cellular providers are using. Providers such as Sprint, AT&T, Verizon as well as any smaller companies, even ones world-wide.

I've found several providers of voice mail systems for cellular providers such as Avaya, Comverse, Ericsson, Huawei and Siemens... But I'm having a harder time tying them directly to any cellular provider.

A company such as Verizon has millions of subscribers. I'm guessing they have several sites where their voicemail systems are actually located. I don't believe the systems are located at the MSCs, but I can't find any information to confirm that. I'm also guessing that there are several sites which provide voicemail, probably region based.

Anyway, that's the type of info I'm actually looking for, not business voicemail systems. Those are easy to find.

Any additional bones are greatly accepted! Bow Wow...

-Paul

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(NT) Why not ask the providers?

In reply to: Still looking...

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Ask @ Hofo

In reply to: Still looking...

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When I worked at Mot.

In reply to: Still looking...

They had their own back end systems. These are considered very proprietary and you seem to only gain access to details if you are in the business. Or you call in and arrange for appointments and tours.
Bob

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Have to agree with Bob.....

In reply to: When I worked at Mot.

I used to work for At&t CS and that information is not available at their level. You have to know someone on the inside at the corporate level to get more details. Most cellular providers use their own propriety VM system and are tight lipped about it. I wish the best for the OP, but doubt there will be very much info they are willing to share openly.

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For what its worth

In reply to: Have to agree with Bob.....

The Mitel system may seem like I'm tossing a bone but for the most part it's a smaller version of what's on the backend I saw in the 90's.
Bob

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