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Configuration on a CS 1000 system
When configuring the IP Phone 1535 on a CS 1000 system, you must
perform the following:
•
Configure the IP Phone 1535 as SIPN UEXT type on the CS 1000
Call Server. For more information, see SIP Line Fundamentals
(NN43001-508).
•
Configure Proxy type to CS2K in the phone configuration:
— Select Main Menu, Settings, VoIP Settings, Proxy, Proxy Type.
— Select CS2K
•
Disable the Network Address Translation (NAT) Timer:
— Select Main Menu, Settings, VoIP Settings, Proxy, NAT Timer,
Disable.
•
Disable Stun:
— Select Main Menu, Settings,VoIP Settings, Proxy, STUN, Disable.
Limitations
The following limitations exist for an IP Phone 1535 on a CS 1000 system:
• Call Transfer with Consultation—The IP Phone 1535 does not support
Call Transfer with Consultation.
•
Ad Hoc Conference (3-way call and so on)—The IP Phone 1535 does
not support Ad Hoc Conference on CS 1000.
•
Video Conference—Video conferencing between Nortel SMC 3456
and IP Phone 1535 is not recommended because Call Hold/Retrieve
invocation between these two clients in a video call can cause the IP
Phone 1535 to lock up and requires a reboot of the IP Phone 1535.
Nortel Communications Servers
Nortel IP Phone 1535 Installation and Commissioning
NN43160-300 02.03 Standard
Release 4.0/SN10 28 October 2009
Copyright © 2009, Nortel Networks
.