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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
•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
•Ad Hoc Conference
•Video
Nortel Communications Servers
Nortel IP Phone 1535 Installation and Commissioning
Release 4.0/SN10 28 October 2009
Copyright © 2009, Nortel Networks