Specifications

310HD, 320HD and 420HD IP Phones
39.2 Testing 320HD IP Phone BIT
The 320HD IP Phone provides a built-in test for verifying its operational integrity. This test
can be performed before deployment and in cases of troubleshooting. The built-in test is
comprised of numerous tests that are performed in one continuous sequence, where each
test is followed by another consecutively, in the order listed below:
 Keypad and off-hook/on-hook test
 Green-color LEDs test
 Red-color LEDs test
 Handset microphone (recording/speaking) and handset receiver (playing/listening) test
 Headset microphone (recording/speaking) and headset headphone/receiver
(playing/listening) test
 Speaker microphone (recording/speaking) and speaker receiver (playing/listening) test
 MAC address and serial number verification
39.2.1 Test Preparation
Before you can start the built-in test, you need to cable the phone as follows:
1. Connect the phone’s LAN port to a switch, using a LAN cable.
2. Ensure that the DHCP server is functioning.
3. Connect a headset to the phone.
4. Power on the phone and wait until initialization is complete.
5. From this stage onwards, follow the procedures described in the subsequent sections
and in consecutive order. In other words, continue with the procedure described in
Section 39.1.2 on page 236.
Administrator's Manual 242 Document #: LTRT-09910