Yealink SIP-T2 Series Provisioning Manual page 196

Yealink IP Phones Auto provisioning Guide
Permitted
Parameter
1 to 3.
SIP-T20P: X
ranges from 1
to 2)
account.X.ses
sion_timer.refr
esher =
(SIP-T28P: X
ranges from 1
to 6.
SIP-T26P/T22P:
X ranges from
1 to 3.
SIP-T20P: X
ranges from 1
to 2)
account.X.ena
ble_user_equ
al_phone =
(SIP-T28P: X
ranges from 1
to 6.
SIP-T26P/T22P:
X ranges from
1 to 3.
SIP-T20P: X
ranges from 1
to 2)
account.X.srtp
_encryption =
(SIP-T28P: X
ranges from 1
to 6.
SIP-T26P/T22P:
X ranges from
1 to 3.
SIP-T20P: X
ranges from 1
186
Values
It configures the refresher of the
session timer for account X.
0-Uac
0 or 1
1-Uas
The default value is 0.
It enables or disables the
"user=phone" carried in the INVITE
message for account X.
0 or 1
0-Disabled
1-Enabled
The default value is 0.
It configures whether to use voice
encryption service for account X.
0-Disabled
0, 1 or 2
1-Optional
2-Compulsory
The default value is 0.
Descriptions Web Setting Path
Account->
Advanced->
Session Refresher
Account->
Advanced->Send
user=phone
Account->
Advanced->RTP
Encryption (SRTP)