Cisco IP telephony : planning, design, implementation, operation, and optimization /

Ижил төстэй зүйлс

• Troubleshooting Cisco IP telephony /
  -н: 226515 Giralt, Paul, зэрэг
  Хэвлэсэн: (2003)
• The road to IP Telephony : how Cisco Systems migrated from PBX to IP Telephony /
  -н: 416294 Carhee, Stephanie L.
  Хэвлэсэн: (2004)
• Cisco QOS exam certification guide : IP telephony self-study /
  -н: 276421 Odom, Wendell, зэрэг
  Хэвлэсэн: (2005)
• Cisco QOS exam certification guide [compact disc] : IP telephony self-study /
  -н: 276421 Odom, Wendell, зэрэг
  Хэвлэсэн: (2005)
• IP telephony unveiled /
  -н: 416173 Brown, Kevin
  Хэвлэсэн: (2004)