Pub. 42004-456D
Division 1 VoIP Telephones
Page 16 of 18
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-456D.docx
03/20
Troubleshooting
Table 5. Troubleshooting Chart
Problem
Possible Solution
Low volume in
handset or headset
Increase the volume setting using the volume adjust button on the front
panel.
N
OTE
:
There is no external speaker adjustment.
High volume in
handset or headset
Decrease the volume setting using the volume adjust button on the front
panel.
N
OTE
:
There is no external speaker adjustment.
Front panel push
button not operational
Verify push buttons are properly configured.
Inputs not operational
•
Check the input connections.
•
Verify the inputs are properly configured.
Outputs not
operational
•
Check the output connections.
•
Verify the outputs are properly configured.
Cannot make or
receive calls
•
Check the connection of the LAN cable.
•
Verify that power is applied to the unit.
•
Verify the LAN parameters have been configured properly.
•
Verify the telephone has been set up on the network.
No power indication
•
Check the power connections.
•
If using POE, check the operation of the POE equipment.
Reference Documentation
The following referenced documents are available on the GAI-Tronics website on the product
documentation page at
https://www.gai-tronics.com/products/manuals_specs.htm.
VoIP Telephone Basic Configuration Guide ................................................................................. 42004-548
VoIP Telephone Programming Manual .............................................................................. 502-20-0172-001
Specifications
Electrical
Power ............................... Power-over-Ethernet, 802.3af compliant (via RJ45) Power Mode A, Class 0, or
external power supply: 24–48 V dc, 200 mA
A separate, isolated supply must be provided for each telephone.
Network .................................................................. 10/100 BaseT Ethernet RJ45, Category 5 or better UTP
static IP provisioning or DHCP STUN client (NAT traversal)
Call control signaling ...................................................................... SIP (RFC3261 compliant) loose routing