Getting Started
41
Two PSTN boxes:
Note
Initialization Process Overview
The initialization process of the IP phone is responsible for network connectivity and operation
of the IP phone in your local network.
Once you connect your IP phone to the network and to an electrical supply, the IP phone
begins its initialization process.
During the initialization process, the following events take place:
Loading the ROM file
The ROM file resides in the flash memory of the IP phone. The IP phone comes from the factory
with a ROM file preloaded. During initialization, the IP phone runs a bootstrap loader that loads
and executes the ROM file.
Configuring the VLAN
If the IP phone is connected to a switch, the switch notifies the IP phone of the VLAN
information defined on the switch (if using LLDP or CDP). The IP phone can then proceed with
the DHCP request for its network settings (if using DHCP). For more information on VLAN, refer
to VLAN on page 74.
Querying the DHCP (Dynamic Host Configuration Protocol) Server
The IP phone is capable of querying a DHCP server. DHCP is enabled on the IP phone by
default. The following network parameters can be obtained from the DHCP server during
initialization:
IP Address
Subnet Mask
Default Gateway
Primary DNS (Domain Name Server)
If you need to record calls when using the PSTN box, you can also connect the USB flash drive to
the USB port on the PSTN box. For more information on how to use PSTN box CPN10, refer to
Yealink PSTN Box CPN10 Quick Start Guide
.
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General
Weight and Dimensions
