Yealink SIP-T4X Provisioning Manual page 142

Yealink SIP-T4X IP Phones Auto Provisioning Guide
X ranges from
1 to 3.)
account.X.nat.
udp_update_ti
me =
(SIP-T46G: X
ranges from 1
from 15 to
to 6.
2147483647
SIP-T42G/T41P:
X ranges from
1 to 3.)
account.X.nat.
rport =
(SIP-T46G: X
ranges from 1
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
account.X.adv
anced.timer_t
1 =
(SIP-T46G: X
ranges from 1
from 0.5 to
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
account.X.adv
anced.timer_t
2 =
(SIP-T46G: X
ranges from 1
from 2 to 40
to 6.
SIP-T42G/T41P:
X ranges from
1 to 3. )
136
2-Options: the phone sends SIP
OPTION packets to the server.
3-Notify: the phone sends SIP NOTIFY
packet to the server.
The default value is 1.
It configures the interval (in seconds)
Integer
for the phone to send keep alive
signal.
The default value is 30.
It enables or disables NAT Rport
feature for account X.
0-Disabled
0 or 1
1-Enabled
The default value is 0.
Float It configures the session timer T1 (in
seconds) for account X.
10 The default value is 0.5.
It configures the session timer T2 (in
Float
seconds) for account X.
The default value is 4.
Account->
Advanced->Keep
Alive Interval
(Seconds)
Account->
Advanced->Rport
Account->
Advanced->SIP
Session Timer T1
(0.5~10s)
Account->
Advanced->SIP
Session Timer T2
(2~40s)