Specifications

4-60 VoIP Maintenance and Troubleshooting
Chapter 4 - Maintenance and Troubleshooting
XTS-IP - Installation Manual December 2005
VoIP Troubleshooting Guide
Table 4-19: Troubleshooting
Symptom Suggestion
The channel lights flash
continuously in sequence …
Reseat the VoIP card, then reset the card.
Also check slot assignment in Flash 24.
The VoIP card is not responding or
has abnormal light appearances …
Reset the VoIP card. Reset the entire
system if two VoIP card resets do not
resolve the issue. If problem remains after
resets, check all programming for the VoIP
card (especially Flash 24 and Flash 46).
Unable to Ping another known IP
address on the local network …
Verify that the IP address and subnet mask
is correct. Check cabling for correct
network connections. Contact the
network administrator if addresses are
correct.
Unable to establish call with
remote system (immediate error
tone) …
Verify that the correct line group,
extension range, and IP address are
entered in Flash 16. Also verify that the
Service Switch is set to normal on both
systems.
Unable to establish call with
remote system (delayed error
tone) …
Have the caller contact their network
administrator to verify that the router
(gateway) IP address is correct (Flash 46,
Button #3).
Network Address Translation (NAT) may
be in use if going to the internet or using a
WAN. Contact the network administrator
to discontinue using NAT for the VoIP card.