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Installing Your Phone
Upgrading Your Phone’s Firmware
Cisco Small Business Pro IP Phone SPA50X User Guide (SPCP) 24
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If the phone does not start, confirm your installation and connections. If these are
correct, try unplugging the phone and plugging it back in again. If you still don’t see
the display, then contact your phone administrator or Internet Telephony Service
Provider (ITSP).
Upgrading Your Phone’s Firmware
The phone firmware is upgraded automatically from the Cisco Smart Business
Communications System (SBCS), according to the administrative settings.