**SMS VENDOR SELECTION SCHEDULE\***

+---------------------+-------+-----+-----+-----+-----+------+-----+
| **SMS EVALUATION    | **Mi  | **  | *   | **W | **W | **   | **S |
| PROCESS**           | dwest | Mid | *No | est | est | Sout | out |
|                     | Reg   | -At | rth | Co  | Re  | h-** | h-w |
|                     | ion** | lan | -** | ast | gio |      | est |
|                     |       | tic |     | Re  | n** | **   | Re  |
|                     |       | Re  | **e | gio |     | east | gio |
|                     |       | gio | ast | n** |     | Regi | n** |
|                     |       | n** | Re  |     |     | on** |     |
|                     |       |     | gio |     |     |      |     |
|                     |       |     | n** |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| LLC Operating       | 10/96 | 6   | 9/5 | 11  | Yes | 10/1 | TBD |
| Agreement           |       | /28 | /96 | /14 |     | 4/96 |     |
|                     |       | /96 |     | /96 |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| LLC Formed          | 10/96 | 6   | 9   | 9   | Yes | 10/  | 1   |
|                     |       | /17 | /96 | /96 |     | 1/96 | 2/2 |
|                     |       | /96 |     |     |     |      | /96 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| RFP Issued          | 2     | 7/8 | 9   | 9   | 1   | 10/2 | 12  |
|                     | /6/96 | /96 | /13 | /20 | 0/2 | 4/96 | /23 |
|                     |       |     | /96 | /96 | /96 |      | /96 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Vendors Notified of | 2/    | 8/7 | 1   | 1   | 10  | N/A  | N/A |
| Eligibility Status  | 12/96 | /96 | 0/4 | 0/9 | /23 |      |     |
|                     |       |     | /96 | /96 | /96 |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Vendor Submits Q&A  | 2/    | 8   | 1   | 10  | 10  | 11/  | N/A |
|                     | 22/96 | /15 | 0/4 | /18 | /16 | 4/96 |     |
|                     |       | /96 | /96 | /96 | /96 |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Bidder's Conference | NA    | 9   | 10  | 10  | 10  | 11/2 | 1/6 |
|                     |       | /17 | /11 | /18 | /29 | 0/96 | /97 |
|                     |       | /96 | /96 | /96 | /96 |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| RFP Responses Due   | 3/    | 1   | 10  | 1   | 11  | 11/2 | 1   |
|                     | 18/96 | 0/8 | /25 | 1/1 | /12 | 6/96 | /13 |
|                     |       | /96 | /96 | /96 | /96 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Responses           | NA    | 10  | 10  | 1   | 11  | 11/2 | 1   |
| Distributed for     |       | /14 | /30 | 1/6 | /15 | 9/96 | /16 |
| Review              |       | /96 | /96 | /96 | /96 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| SMS Comm. Prelim.   | NA    | 1   | 11  | NA  | NA  | 12/1 | 1   |
| Eval.               |       | 1/4 | /21 |     |     | 2/96 | /31 |
|                     |       | /96 | /96 |     |     |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| LLC Notifies        | NA    | 1   | 1   | NA  | NA  | NA   | N/A |
| Vendors (Short      |       | 1/8 | 2/3 |     |     |      |     |
| List)               |       | /96 | /96 |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Vendor Conference   | NA    | 11  | 12  | 11  | 11  | 12/1 | 1   |
|                     |       | /14 | /11 | /18 | /21 | 8/96 | /23 |
|                     |       | /96 | /96 | /96 | /96 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       | 11  | 12  |     | 11  | 12/1 | 1   |
|                     |       | /15 | /13 |     | /22 | 9/96 | /24 |
|                     |       | /96 | /96 |     | /96 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     | 12/2 |     |
|                     |       |     |     |     |     | 0/96 |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Vendor's Submit     | NA    | 11  | 12  | NA  | NA  | NA   | 2/7 |
| Pricing             |       | /18 | /11 |     |     |      | /97 |
|                     |       | /96 | /96 |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| SMS Comm.           | 5/    | 11  | 12  | 12  | 1   | 1/   | 1   |
| Recommends Vendor   | 15/96 | /22 | /16 | /13 | 2/4 | 6/97 | /24 |
|                     |       | /96 | /96 | /96 | /96 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     | 1   |      |     |
|                     |       |     |     |     | 2/5 |      |     |
|                     |       |     |     |     | /96 |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     | 1   |      |     |
|                     |       |     |     |     | 2/6 |      |     |
|                     |       |     |     |     | /96 |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| LLC Selects Vendor  | NA    | 11  | 12  | 02  | 1   | 1/3  | 2   |
|                     |       | /25 | /18 | /21 | 2/9 | 1/97 | /28 |
|                     |       | /96 | /96 | /97 | /96 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| LLC Notifies Vendor | 5/    | 11  | 12  | 02  | 12  | 2/   | 2   |
|                     | 15/96 | /25 | /18 | /21 | /11 | 1/97 | /28 |
|                     |       | /96 | /96 | /97 | /96 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Contract            | 12/96 | TBD | 1   | 1   | 1   | TBD  | TBD |
| Negotiated/Signed   |       |     | Q97 | Q97 | /10 |      |     |
|                     |       |     |     |     | /97 |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| "Build Out" Period  | 3/    | 4/1 | 4   | 6/1 | 6/1 | 6/   | 6/1 |
| Completed           | 17/97 | /97 | /15 | /97 | /97 | 1/97 | /97 |
|                     |       |     | /97 |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| NPAC Ready -        | 4/    | 5/1 | 5   | 6/9 | 7/1 | 7/   | 6/1 |
| Testing             | 18/97 | /97 | /15 | /97 | /97 | 1/97 | /97 |
|                     |       |     | /97 |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| NPAC Ready - Live   | \*\*  | 8/1 | TBD | TBD | TBD | TBD  | 9   |
| Testing             | 7     | /97 |     |     |     |      | /16 |
|                     | /1/97 |     |     |     |     |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+
|                     |       |     |     |     |     |      |     |
+---------------------+-------+-----+-----+-----+-----+------+-----+
| Deployment          | 10/1  | 9/  | 10/ | 10/ | 10/ | 1    | 10/ |
|                     | /97 - | 1/9 | 1/9 | 1/9 | 1/9 | 0/1/ | 1/9 |
|                     | 12/   | 7 - | 7 - | 7 - | 7 - | 97 - | 7 - |
|                     | 31/97 | 12  | 12  | 12  | 12  | 12/3 | 12  |
|                     |       | /31 | /31 | /31 | /31 | 1/97 | /31 |
|                     |       | /97 | /97 | /97 | /97 |      | /97 |
+---------------------+-------+-----+-----+-----+-----+------+-----+

\* Schedule as of 3/4/97

\*\* Illinois Field Trial 7/1/97 - 8/30/97