User manual

Chapter 1: Introduction
98-129217-C The Inmarsat BGAN system 9
Supplementary services
The BGAN system also provides the following supplementary services:
• Call hold
• Call waiting
•Call forwarding
•Voice mail
• Call barring
Service limitations
SIM lock
The supplier may have locked the SIM card to a specific provider. For further information, contact
your supplier.
Limitations in available services
The services available depend on your airtime subscription. Your SIM card may not allow for all
the services described in this manual.
For Multi-voice, the maximum number of concurrent calls depends on the available bandwidth
and network conditions.
Also, some services may not be available at the edge of coverage areas, i.e. in low elevations. The
lines in the coverage map below enclose the areas with an elevation angle towards the satellite of
0, 20 and 45 degrees.
For further information on coverage, please refer to the Inmarsat home page at inmarsat.com.
This map depicts Inmarsat’s expectations of coverage post repositioning of its I-4 satellites. This
map does not represent a guarantee of service. The availability of service at the edge of coverage
areas fluctuates depending on various conditions. www.inmarsat.com
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
10°
20°
30°
40°
50°
60°
70°
80°
90°
0°20°40°60°80°100°120°140°160°180° 20° 40° 60° 80° 100° 120° 140° 160° 180°
Inmarsat’s I4 satellite coverage
45 degrees
20 degrees
0 degrees