TY - BOOK ID - 126883933 TI - Implementation Cisco unified communications manager : authorized self-study guide PY - 2009 SN - 1587055619 9781587055614 PB - Indianapolis, Ind.: Cisco Press, DB - UniCat KW - Internet telephony UR - https://www.unicat.be/uniCat?func=search&query=sysid:126883933 AB - ER -