TE series terminals in the case of 20% network packet loss rate, the image dis-play is normal [single choice].

According to the requirements of the national hierarchical diagnosis and treatment pilot policy, by 2020, telemedicine services will cover counties (cities, districts) above the pilot area (multiple choices).

TP3206-70 is correct for () [ABCD] multiple choice

TE20 is available in TE20-5X and TE20-12X models. [Single Selection].

The headset interface supported by IP phone 7920 is [radio].