RP serries don't support Wifi wireless connection and voice dialing.
The multiple platforms of TE Desktop&Moblie include: (Multiple Choice)
RSE supports two video formats (HD/SD) for live/on-demand streaming of a conference and can automatically adapt endpoint's bandwidth and capability.
TX50 and TE serries endpoints can support wifi.
For Point to Point call, MCU is not needed. But for Multi-point conference, the system need MCU or Embedded MCU.