Troubleshooting
One way connection. | • Make sure firewall setting has all the TCP/UDP |
| ports required by AltiWare opened. |
| • If NAT is used, make sure NAT is enabled and NAT |
| address is set up correctly. |
|
|
Phone does not show | Check the power source to be sure the |
anything on LCD display. | phone is receiving power. |
|
|
Poor voice quality. | • Make sure a switch is used, rather than a hub, in the |
| corporate LAN. |
| • G.711 provides better voice quality. |
| • If VoIP is set up over WAN, set priority queuing on |
| the WAN router. |
| • Make sure WAN QoS is okay by pinging a few |
| hundred packets from remote site and observe |
| packet loss and network latency. |
| • Adjust jitter buffer to accommodate network |
| latency. |
|
|
Register failed. | • Check to make sure the extension number and |
| extension password is set up properly and that the IP |
| extension is enabled. |
| • Check to make sure the IP Phone Services is started |
| in AltiWare. |
| • If IP Phone is associated with a physical phone (with |
| the same extension number), use #27 to activate the |
| IP Phone to normal operating mode. |
|
|
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