Aastra X Series, Installation And Implementation Manual

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Page 1-17 10/2008 AMT/PTD/TR/0020/2/7/EN
• case 2: ¨B1, B2, and B3 are base stations, each with its own radio area. Each time a
cordless handset is located at the intersection of these three areas, it recognises the
three base stations with the same radio level.
• Case 3: B1, B2, and B3 are remote base stations located 30 to 50 cm from each other.
They constitute a single radio area. B4 and B5, are base stations, each with its own radio
area. Each time a cordless handset is located at the intersection of these three areas, it
recognises the five base stations with the same radio level.
• Radio coverage:
The radio coverage of a site is the area where a cordless handset user must be able to transmit
and receive calls. Radio coverage can be indoors or outdoors, and on a horizontal or vertical
plane.
B1
B2
B3
B4
B5
B1
B2
B3
Building A
Building B
Building C
Radio coverage