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~isPartOf:"International journal of business information systems : IJBIS"
~subject:"Telephone network"
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IP telephony in the enterprise network : comparing operating costs of PSTN and IP network
Kim, Hak J.
- In:
International journal of business information systems : …
3
(
2008
)
1
,
pp. 12-39
Persistent link: https://www.econbiz.de/10003630903
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