PSTN services migration to IMS. Are SPs finally reaching the tipping point for large scale migrations?

Jean-Philippe Joseph. PSTN services migration to IMS. Are SPs finally reaching the tipping point for large scale migrations?. Telecommunication Systems, 52(2):1057-1065, 2013. [doi]

@article{Joseph13,
  title = {PSTN services migration to IMS. Are SPs finally reaching the tipping point for large scale migrations?},
  author = {Jean-Philippe Joseph},
  year = {2013},
  doi = {10.1007/s11235-011-9612-3},
  url = {http://dx.doi.org/10.1007/s11235-011-9612-3},
  researchr = {https://researchr.org/publication/Joseph13},
  cites = {0},
  citedby = {0},
  journal = {Telecommunication Systems},
  volume = {52},
  number = {2},
  pages = {1057-1065},
}