GSM_WiFi

Single Phone Handset to Access GSM and WiFi

PSS strategy:

Result-oriented service (product substitution)
Individual has a personal telephone number. The number can be used to subscribe either by regular subscription or pay as you talk for different services:
- Mobile phone operators in home country and abroad
- WiFi networks in home country and abroad
Handset automatically switches to cheapest subscribed service.

Why?

Reduce costs of calls when in range of WiFi base station

Comments:

.

Financial:

User can keep call costs down, by switching to WiFi when available.
WiFi requires low investment costs
Free phone calls in the house using Wifi

Environmental:

None identified

Social:

WiFi connection has low infrastructure cost and easy for developing countries to adopt. Closes the digital divide.

Other:

Handover between WiFi zones currently difficult and results sometimes in broken connections.

Literature:

Call it Omnipresence

Mobile Terminals and Handsets

WiFi Bridges Indonesia's Digital Divide

VoIP Stalled By Major Telcos

The Wireless Internet Opportunity for Developing Nations

Voice over Wireless LANs