Calling, Polycom vvx 1500 c display, Upgrading the polycom vvx 1500 c phone – Polycom VVX C Business Media Phone for Cisco Unified Communications Manager (SIP) User Manual
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Deployment Guide for the Polycom VVX 1500 C
4 - 2
Calling
Polycom VVX 1500 C Display
Upgrading the Polycom VVX 1500 C Phone
Symptom
Problem
Corrective Action
The line icon shows an
unregistered line icon.
The phone line is unregistered.
Contact your system administrator.
Pressing the Conferencing soft
key or the CONF key does set up
a conference in all
circumstances.
Cicso ad-hoc conferecning is not
supported.
Contact your system administrator.
Symptom
Problem
Corrective Action
The time and date are flashing.
You have disconnected your
phone from the network/LAN or
there is no SNTP server
configured.
Do one of the following:
•
Reconnect your phone to the network.
•
Disable the time and date display on
the phone per the instructions below.
1.
Press the Menu key, and then select
Settings > Basic > Preferences >
Time & Date.
The Time & Date screen displays.
Scroll to Disable, and then press
Select soft key.
2.
Press the Menu key again to return to
the idle screen.
The idle screen no longer displays the
time and date.
Symptom
Problem
Corrective Action
You want to upgrade the
Polycom VVX 1500 C.
You must perform additional steps before
rebooting the phone to download the new
SIP software. Refer to “Technical
Bulletin 53522: Upgrading the Polycom
VVX 1500 Phone to SIP 3.2.2” at