When I first considered mobile information services and integration for my company and clients, I didn't think much of Smart Phones, but I did an analysis in any case. We were using Black Berry RIM's with server-side synchronization, but I noted that most messages coming from the devices were too short to be of any real value - further, they weren't very "thoughtful" messages. The way the BB Server works - using an NT Authority account to access the mail store for all users, was not preferred - so it gave me cause to assess Smart Phones.
At the same time we were migrating ourselves and many clients to Exchange 2003 Server - using RPC over HTTP(S) to securely connect remote users with the Exchange as though they were on the LAN [w/o a VPN, or using forced encryption over TCP from behind ISA Server 2000 as we had been doing], we assessed our mobile voice systems, costs and our use and benefit of Black Berry.
After comparing total costs and features, it was clear that we needed to test this. We worked with Verizon and obtained 6 i600's and configured all to use our own Root CA Servers and Certificates and deployed them opposite EXCH2K3. We have saved over 1,200 a month for this test group in voice costs and 300/month in data costs. We then fine tuned the services and began offering it to all clients - providing the device set up and OMA services set up as value-add items that are cost free to clients. We were able to take down our own and two other BB Servers and have very dramatically increased our mobile productivity. We widened the deployment pool and also added many other devices - normal phones and i700's where desired. I must share that it has been a great and less costly mix. I'd encourage any group of just about any size to consider this option. Pooling minutes, providing phones not requiring employees to file vouchers also adds to employee satisfaction - e.g., one bill for the entire group and we all just work as we need to.
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