Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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SIP server and outbound proxy server. It can prevent the phone receiving ghost calls from
random numbers like 100, 1000, etc. To stop this from happening, you also need to disable
allow IP call feature. For more information on allow IP call, refer to
Procedure
Accept SIP trust server only can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure accept SIP trust server only.
Parameter:
sip.trust_ctrl
Web User Interface
Configure accept SIP trust server only.
Navigate to
:
http://<phoneIPAddress>/servlet?p=fe
atures-general&q=load
Details of Configuration Parameter:
Parameter
Permitted Values
Default
sip.trust_ctrl
0 or 1
0
Description:
Enables or disables the IP phone to only accept the SIP message from the SIP server and
outbound proxy server.
0
-Disabled
1
-Enabled
Web User Interface:
Features->General Information->Accept SIP Trust Server Only
Phone User Interface:
None
To configure accept SIP trust server only feature via web user interface:
1.
Click on
Features
->
General Information
.
Summary of Contents for CP860 SERIES
Page 1: ...63 ...
Page 51: ...Getting Started 25 For SIP T46G S Desk Mount Method Wall Mount Method Optional ...
Page 53: ...Getting Started 27 For SIP T42S T41S Desk Mount Method Wall Mount Method Optional ...
Page 55: ...Getting Started 29 For SIP T23P T23G Desk Mount Method Wall Mount Method Optional ...
Page 70: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series CP860 CP920 IP Phones 44 ...