DO NOTHING

-- SMS-- EMAIL No work Full multimedia 2G InterworkingX Terminals complex?X CS only terminals?

How to handle MMS?

2G SMSShort Text MessagingMobile Features (delivery reports, immediate display etc.)Mobile Integration (Power-on delivery, no need for complex UE)

3GOptions

MMS ASTHIRD SERVICE

-- More than SMS-- Less than Email-- CS Compatible-- Some MM Bandwidth optimisedX Terminals easier?X Interworking with 2GX Interworking with fixedX Divergence

ENHANCE EMAIL

-- Start from Email-- Add mobile features-- Add mobile integration-- Aim to replace User SMS-- Enhance CS Support of Email Full Interworking Full MM Future Proof Backwards compatibleX Bandwidth non-optimised

T2-996823GPP TSG-T2#5, HelsinkiSource: BT