For a while now, it's been common to send messages by cell phone...

Or perhaps that's just what's going on here... all the major service providers have been coming out with a variety of packages as optional services, and below is a summary... Note that they may not all be up-to-date, as this is more a compilation from a variety of sources.

Companies to the right: Factors are below:	NTT DoCoMo	IDO	DDI Cellular and Tsuka	Tsuka	JPhone	JPhone Long Service
E-mail Basic Monthly Fees (in Yen)	300	200	200	300	300	500
Fees Per Message Received (in Yen)	From 1 Yen, *see note below	From 1 Yen, *see note below	From 1 Yen, *see note below	n/a	n/a	10
Fees Per Message Sent (in Yen)	From 1 Yen, *see note below	From 1 Yen, *see note below	From 1 Yen, *see note below	3	3	10
Length of Sendable Message (in characters)	250	255	255	64 JPN char 128 Roman Alpha	64 JPN char 128 Roman Alpha	3000 JPN char 6000 Roman Alpha
Length of Receivable Message (in characters)	250 JPN char	2000 JPN char 4000 Roman Alpha	2000 JPN char 4000 Roman Alpha	192 JPN char 384 Roman Alpha	192 JPN char 384 Roman Alpha	3000 JPN char 6000 Roman Alpha
Message Resend Function	You must ask NTT	Stored on EZ Server	Stored on EZ Server	No restrictions	No restrictions	No restrictions
Mail Storage Time/Period	removed, oldest first on the phone	14 days on server	Left on Server - no time restrictions	Stored on phone. User erases.	Stored on phone. User erases.	Stored on phone. User erases.
Out-of-Range Handling	Stored 30 days on iMode server.	Stored 7 days on EZ server.	Stored 30 days on EZ server.	Stored 72 hours by service center.	Stored 72 hours by service center.	Stored 72 hours by service center.
Chain Mail Function	Unknown	Unknown	Unknown	Unknown	Unknown	Unknown
Data Transmission Speed and Protocol	Unknown	Unknown	Unknown	Unknown	Unknown	Unknown

Note:

* Depends on the packet volume. ** At the time of writing, 1$ USD = 107 Japanese Yen.

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