Accept Sip Trust Server Only; Accept Sip Trust Server Only Configuration - Yealink SIP-T3 Administrator's Manual

Group Park
l
Call Pull
l
Permitted 0-Disabled
1-Enabled
Values
Default 0
Web UI Features > General Information > Hide Feature Access Codes
Parameter features.hide_feature_access_codes.dsskey_type <y0000000000xx>.cfg
It configures the phone to display the label instead of the feature access code when pressing the
speficed Dsskey to dial out.
Description
Multiple types are separated by commas.
Blank-No Dsskey Type is available for this function.
9-Pickup
10-Call Park
12-Voice Mail
Permitted
13-SpeedDial
Values
14-Intercom
16-BLF
23-Group Pickup
56-Retrieve Park
Default Blank
Supported
T57W, T54W, T53W, T53, T53C, T48U, T46U, T43U, T42U, T33P, T33G, T31P, T31G, T31
Devices

Accept SIP Trust Server Only

Accept SIP trust server only enables the phones to only accept the SIP message from your SIP server and outbound
proxy server. It can prevent the phone from receiving the ghost calls whose phone number maybe 100, 1000 and
so on. If you enable this feature, the phone cannot accept an IP address call.
Topic

Accept SIP Trust Server Only Configuration

Accept SIP Trust Server Only Configuration
The following table lists the parameters you can use to configure accept SIP trust server only.
Parameter sip.trust_ctrl
It enables or disables the phone to only accept the SIP message from the SIP and outbound proxy
Description
server.
0-Disabled
Permitted
Values
1-Enabled, users cannot accept the IP call
Default 0
Web UI Features > General Information > Accept SIP Trust Server Only
<y0000000000xx>.cfg
General Features
550