IP Deskphone behavior when DHCPv4/DHCPv6 server is
unreachable
If the DHCPv4/DHCPv6 server is unreachable due to the following scenarios:
• IP Deskphone starts and cannot get IPv4 address from DHCPv4 server (cached IP is disabled)
• IP Deskphone starts and cannot get IPv6 address from DHCPv6 server (cached IP is disabled)
• IPv4 address lease expires (cached IP is disabled)
• IPv6 address becomes deprecated and there are no active calls (cached IP is disabled)
• IPv6 address lease expires (cached IP is disabled)
then the following message is displayed on the IP Deskphone display screen:
DHCP server unreachable. Trying to contact...
Note:
If the IPv6 address becomes deprecated and there is an active call, the message is displayed
on the IP Deskphone display screen after the active call is released.
When this message is displayed, the user can:
• wait until the IP Deskphone receives the required IP address from DHCP
• open the Device Settings menu (by double-pressing the Services key) and try to re-configure
the IP Deskphone
The message window closes automatically when the IP Deskphone receives a new valid IPv4/IPv6
address.
For more information, see DHCP server unreachable on page 338.
Handling fixed keys for multiple calls
In SIP 4.4, the behaviour of the following fixed keys when there are multiple calls has been aligned:
• Line key
• Goodbye/Release button
• Mute
• Hold
• Handsfree
• Headset
• Hookswitch
If there is an active established call, the key action applies to this active call.
New in this release
18 SIP Software for Avaya 1200 Series IP Deskphones-Administration March 2015
Comments? infodev@avaya.com
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