1. Inmarsat Service systems
1-4
Circuit switched service (CS)
4kbps Voice
Low cost voice service equal to Inmarsat mini-M
voice
• Charged by connection time
64kbps 3.1kHz Audio
High quality voice service to use FAX and
analogue modem.
• Charged by connection time
ISDN UDI
/RDI
*
data
(Only for FB500)
ISDN 64k/56kbps data service for ISDN video
phone, etc.
• Charged by connection time
*
)
UDI = Unrestricted Digital Information
RDI = Restricted Digital Information
Short Message Service (SMS)
Short Message Service
Send and receive text messages up to 160 characters.
• Charged by message.
1.3 Important reminder for using JUE-501/JUE-251
NOTE
• Communication failure due to MCA wireless system interference could occur at the coast
of Japan urban area.
• 64kbps 3.1kHz Audio service is not available when satellite elevation angle (EL) value is
less than 20 degrees for the JUE-251.
• Although 8k, 16k, 32k, 64k, 128kbps Streaming IP service and CS service can be used in
the same time, use of 256kbps Streaming IP and simultaneous CS service is not possible.
• The service available to you is depending on the contract. Some of the services described
in this manual may not work for your SIM card.
• Network service is managed by Inmarsat co. or other network service providers. Network
service may be changed or terminated without prior notice due to the circumstances of the
network service providers.