User guide

Yealink SIP-T4X IP Phones Auto Provisioning Guide
128
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
The default value is 0.
account.X.srtp
_encryption =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
0, 1 or 2
It configures whether to use voice
encryption service for account X.
0-Disabled
1-Optional
2-Compulsory
The default value is 0.
Account->
Advanced->RTP
Encryption (SRTP)
account.X.pti
me =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
0 (Disabled),
10, 20, 30,
40, 50 or 60.
It configures the RTP packet time (in
milliseconds) for account X.
The default value is 20.
Account->
Advanced->PTime
(ms)
account.X.bla
_number =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
String
It configures the BLA number for
account X.
The default value is blank.
Account->
Advanced->BLA
Number
account.X.bla
_subscribe_pe
riod =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
Integer
from 60 to
7200
It configures the period (in seconds) of
BLA subscription for account X.
The default value is 300.
Account->
Advanced->BLA
Subscription Period
account.X.dial
oginfo_callpic
kup =
0 or 1
It enables or disables the phone to
pick up a call according to the SIP
header of dialog-info for account X.
Account->
Advanced->
Dialog Info Call