Glenn W. Parsons, Janusz Maruszak. Voice Messaging Client Behaviour. RFC, 4024:1-9, July 2005. [doi]
@article{rfc4024, title = {Voice Messaging Client Behaviour}, author = {Glenn W. Parsons and Janusz Maruszak}, year = {2005}, month = {July}, doi = {10.17487/RFC4024}, url = {https://doi.org/10.17487/RFC4024}, researchr = {https://researchr.org/publication/rfc4024}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {4024}, pages = {1-9}, }