The Phone Is Registered But Automatically Resets; The Phone Has One-Way Audio; A Phone Call Cannot Be Established - Cisco IE-3000-8TC Administration Manual

The phone is registered but automatically resets

The phone is registered but automatically resets
Problem
cause. If the network connection and Cisco Business Edition 3000 connection are stable, a phone should not
reset on its own. Typically, a phone resets if it has problems connecting to the Ethernet network or to the
Cisco Business Edition 3000 server.
The phone resets when it loses contact with the Cisco Business Edition 3000 software. This lost connection
can be due to any network connectivity disruption, including cable breaks, switch outages, and switch reboots.
Solution
• Verify that the Ethernet connection to which the phone is connected is up. For example, check whether
• Intermittent network outages affect data and voice traffic differently. Your network might have been
• If you are using DHCP, verify whether the DHCP server is set up appropriately. Verify whether the
• If the phone uses a static IP address, verify that you entered the IP address correctly on the phone.

The phone has one-way audio

Problem
established.
Solution

A phone call cannot be established

Problem
to Cisco Business Edition 3000.
Solution
• Verify that the Ethernet cable is attached.
• Verify whether a critical service has failed to start. The Health Summary page identifies when a critical
• Verify that both phones are registered. (Select Users/Phones > Phones, or locate the phone and view
Administration Guide for Cisco Business Edition 3000, Release 8.6(4)
444
If users report that their phones are resetting during calls or while idle on their desks, investigate the
Perform any of the following tasks:
the particular port or switch to which the phone is connected is down and that the switch is not rebooting.
Also make sure that there are no cable breaks.
experiencing intermittent outages without detection. If so, data traffic can resend lost packets and verify
that packets are received and transmitted. However, voice traffic cannot recapture lost packets. Rather
than retransmitting a lost network connection, the phone resets and attempts to reconnect its network
connection. If you are experiencing problems with the voice network, you should investigate whether
an existing problem is simply being exposed.
phone is obtaining an IP address from the DHCP server.
When at least one person in a call does not receive audio, IP connectivity between phones is not
Check the configurations in routers and switches to ensure that IP connectivity is properly configured.
The phone does not have an IP address from the DHCP, or for some reason, it is unable to register
Perform any of the following tasks:
service is down.
the status messages.)
OL-27022-01