The phone powers up via Power over Ethernet (PoE) or an external power adapter and negotiates a voice VLAN.

Whether you are using a (like TFTPd32/64 or Asterisk) or a native Cisco CUCM environment .

: While powering on the phone, hold down the # key. When the line buttons flash amber/red in sequence, press 123456789*0# . This clears out older cached ITL/CTL security tokens that might be blocking the application of a new default configuration file.

Ваш браузер устарел рекомендуем обновить его до последней версии
или использовать другой более современный.