Administrator Level Options
3-18
41-001129-00 Rev 09, Release 1.4.1
IP Phone Administrator Guide
Administrator Options
•
BLF Subscription Period
Specifies the time period, in seconds, that the BLF feature becomes active
again after a software/firmware upgrade or after a reboot of the IP phone.
RTP Settings
You can configure the following RTP settings:
•
RTP Port
(
RTP Port Base
in IP Phone UI)
The Real-Time Transport Protocol port base configured for the IP phone.
Default is 3000.
•
Basic Codecs
(G.711 u-Law, G.711 a-Law, G.729)
(not configurable via IP phone UI). Enables or disables basic codecs.
Enabling this parameter allows the IP phone to use the basic Codecs when
sending/receiving RTP packets. Valid values are 0 (disabled) and 1 (enabled).
Default is 0 (disabled).
•
Force RFC2833 Out-of-Band DTMF
(not configurable via IP phone UI). Enables or disables out-of-band DTMF.
Enabling this parameter forces the IP phone to use out-of-band DTMF
according to RFC283. Valid values are 0 (disabled) and 1 (enabled). Default is
1 (enabled).
•
Customized Codec Preference List
(not configurable via IP phone UI). Specifies a customized Codec preference
list which allows you to use the preferred Codecs for this IP phone. For valid
values, see Appendix A, the section,
“RTP, Codec, DTMF Global Settings”
on
page A-58.
Summary of Contents for SIP 480i
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