Acknowledgements
The authors of this book would like to extend their thanks to colleagues working in 3GPP and IETF for their great efforts in creating the IMS specifications and related protocols. The authors would also like to give special thanks to the following who helped in the writing of this book by providing excellent review comments and suggestions:
Erkki Koivusalo
Hannu Hietalahti
Tao Haukka
Risto Mononen
Kalle Tammi
Risto Kauppinen
Marco Stura
Ralitsa Gateva
Juha-Pekka Koskinen
Markku Tuohino
Juha Räsänen
Peter Vestergaard
John Loughney
Tapio Paavonen
Kalle Luukkainen
Alan Duric
The authors welcome any comments and suggestions for improvements or changes that could be used to improve future editions of this book. Our email addresses are:
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