How to set the IP addresses of the IP phone and PC to be in different IP network segments?

If a user wants to update its IP address, release the old IP address on the PC (DHCP client). The IP address does not need to be released when the lease is updated. 1. (Optional) Release an IP address. The commands for releasing an IP address vary with the operating system. a. Run the ipconfig/release command on a PC running Windows 7 to release the IP address. b. Run the winipcfg/release command in the Windows 98 MS-DOS environment to release the IP address. 2. Update an IP address. The commands for updating the lease of an IP address vary with the operating system. a. Run the ipconfig/renew command on a PC running Windows 7 to update the IP address lease or request a new IP address. b. Run the winipcfg/renew command in the Windows 98 MS-DOS environment to update the IP address lease or request a new IP address.

eSpace 7900 series IP phones support three network modes: UC1.1, UC2.0, and others. eSpace 8850 supports only UC1.1 and UC2.0 network modes. In UC1.1 mode, IP phones are connected to the U1900 gateway, and the SIP server address is set to the IP address of the U1900 gateway. UC2.0 mode matches the UC2.0 solution where the registration address is set to the IP address of the AA server. When the Others option is selected as the network mode, IP phones interwork with third-party softswitches.

The IP phone and PC can be in different VLANs, but in the scenario where the Link Layer Discovery Protocol (LLDP) is used, the IP phone and PC cannot be allocated in different VLANs.

1. Log in the phone's web page as the administrator. 2. Choose Advanced > Network > Vlan. On the displayed page, configure the VLAN ID for the LAN port and PC port. 3. Set the switch to trunk mode.

eSpace 7900 series: On the home screen, choose Apps > Status. Select Network and press View. View the IP address of the IP phone. eSpace 8850: On the home screen, choose Settings > Phone Info, and view the IP address of the IP phone.