Call control troubleshooting – Teo IP Phone 4101 Installation User Manual
Page 56
Teo IP Phone 4101 Installation Instructions
Page 56
13-280135 Rev. K
Problem Observed
Remedial Action
REGISTERING WITH
SIP SERVER
The primary line has not registered with the SIP
server. Verify all entries (LINE ID, AUTH ID, AUTH
Password, all IP addresses and subnet mask) and re-
enter as required.
If the phone belongs to a VLAN, verify that VLAN
tagging is enabled and the correct VLAN ID is entered
RESTART REQUIRED
PROCEED?
Certain critical values have changed and a restart is
required. Select YES.
PHY:100MBPS
IP DOWN
Upon lease expiry, the phone was unable to negotiate
a new lease with the DHCP server. Verify that the
DHCP server is operating and accessible.
PING4 FAILED
If all attempts to ping IP addresses fail, check Layer 2
802.1Q (VLAN) programming at the phone, using the
QoS menu. If “LAYER 2 802.1Q=ON”, verify that the
network supports this packet prioritization standard. If
it does not, set LAYER 2 802.1Q to “OFF”. Ping valid
addresses using the ADMIN→DIAG→PING Menu.
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After the phone is fully initialized (idle display showing), the following call control
anomalies may be encountered.
Problem Observed
Remedial Action
The phone never rings.
Verify that “RINGER OFF” is not showing in the
display. If it is, use the Volume key to set the ringer
level to a value higher than OFF.