EXHIBIT 21.1

SUBSIDIARIES OF THE REGISTRANT

1.	Allume Systems, Inc., a California corporation.
2.	Tag Acquisition Corporation II, a Delaware corporation.
3.	E Frontier Acquisition Corporation, a Delaware corporation.
4.	IS Acquisition Sub, Inc., a Delaware corporation.
5.	Tel Acquisition Corporation, a Delaware corporation.
6.	STF Technologies, Inc., a Missouri corporation.
7.	Smith Micro Software LLC Belgrade, a Serbia corporation.
8.	Smith Micro Software AS, a Norwegian corporation.
9.	Smith Micro Software UK Limited, a United Kingdom corporation.
10.	William W. Smith Software Canada. Ltd., a Canadian corporation.
11.	Smith Micro Software, Asia Limited, a Hong Kong corporation.
12.	Mobility Acquisition Corporation, a Delaware corporation.
13.	Core Mobility, Inc., a Delaware corporation.