Cite
APA Citation
Unknown (2009). VoIP handbook : applications, technologies, reliability, and security. Boca Raton : CRC Press. http://access.bl.uk/ark:/81055/vdc_100045501633.0x000001
This is an interim version of our Electronic Legal Deposit Catalogue-eJournals and eBooks while we continue to recover from a cyber-attack.
Unknown (2009). VoIP handbook : applications, technologies, reliability, and security. Boca Raton : CRC Press. http://access.bl.uk/ark:/81055/vdc_100045501633.0x000001