User guide

Yealink SIP-T4X IP Phones Auto Provisioning Guide
134
X ranges from
1 to 3.)
account.X.nat.
udp_update_e
nable =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3.)
0, 1, 2 or 3
It enables or disables NAT keep-alive
for account X.
0-Disabled
1-Default
2-Options
3-Notify
The default value is 1.
Account->
Advanced->Keep
Alive Type
account.X.nat.
udp_update_ti
me =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3.)
Integer
from 15 to
2147483647
It configures the keep-alive interval (in
seconds) for account X.
The default value is 30.
Account->
Advanced->Keep
Alive Interval
(Seconds)
account.X.nat.
rport =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
0 or 1
It enables or disables NAT Rport
feature for account X.
0-Disabled
1-Enabled
The default value is 0.
Account->
Advanced->Rport
account.X.adv
anced.timer_t
1 =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
Float
It configures the session timer T1 (in
seconds) for account X.
The default value is 0.5.
Account->
Advanced->SIP
Session Timer T1
(0.5~10s)
account.X.adv
anced.timer_t
2 =
Float
It configures the session timer T2 (in
seconds) for account X.
The default value is 4.
Account->
Advanced->SIP
Session Timer T2