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| Part Number | Description | |
| CON-PESW-IPX3DB2P | PVSO ESS SW IPCX or IP IVR 3.5 o | |
| CON-PESW-IPXIVR3E | PVSO ESS SW IPCX or IP IVR 3.5 o | |
| CON-PESW-IPX3DB1P | PVSO ESS SW IPCX or IP IVR 3.5 o | |
| CON-PESW-IPX34ES | PVSO ESS SW IPCX or IPIVR 4.0 Ex | |
| CON-PESW-IPX4SQL2 | PVSO ESS SW IPCX or IVR 4.0 MS S | |
| CON-PESW-IPX4SQL1 | PVSO ESS SW IPCX or IVR 4.0 MS S | |
| CON-PESW-IPC31NFR | PVSO ESS SW IPCX3.1 NFR Kit-Cisco n Cisco Ptnrs Only | |
| CON-PESW-IPC35NFR | PVSO ESS SW IPCX3.5 NFR Kit-Cisco n Cisco Ptnrs Only | |
| CON-PESW-IVR4X4HA | PVSO ESS SW IPIPVR 4.X To 4.X H | |
| CON-PESW-IVRU340 | PVSO ESS SW IPIVR 3.0;3.1 to 4.0 ESW+UCSS MajorUpgra | |
| CON-PESW-IVRU341 | PVSO ESS SW IPIVR 3.0;3.1 to 4.1 ESW+UCSS MajorUpgra | |
| CON-PESW-IVRU345 | PVSO ESS SW IPIVR 3.0;3.1 to 4.5 ESW+UCSS MajorUpgra | |
| CON-PESW-IVRU350 | PVSO ESS SW IPIVR 3.0;3.1 to 5.0 ESW+UCSS MajorUpgra | |
| CON-PESW-IVRU3540 | PVSO ESS SW IPIVR 3.5 to 4.0 ESW+UCSS Major Upgrade | |
| CON-PESW-IVRU3541 | PVSO ESS SW IPIVR 3.5 to 4.1 ESW+UCSS Major Upgrade | |
| CON-PESW-IVRU3545 | PVSO ESS SW IPIVR 3.5 to 4.5 ESW+UCSS Major Upgrade | |
| CON-PESW-IVRU3550 | PVSO ESS SW IPIVR 3.5 to 5.0 ESW+UCSS Major Upgrade | |
| CON-PESW-IVR3X4X | PVSO ESS SW IPIVR 3.X To 4.X Upg | |
| CON-PESW-IVR3X4SM | PVSO ESS SW IPIVR 3.X-4.X UPGRAD | |
| CON-PESW-IVR4XNEW | PVSO ESS SW IPIVR 4.0 Configura |