Yealink SIP-T23, Provisioning Manual

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Yealink IP Phones Auto Provisioning Guide
284
Parameter
Permitted
Values
Descriptions Web Setting Path
The default value is 101.
account.X.dtmf.info_type
(X ranges from 1 to 3)
1, 2 or 3
It configures the DTMF info type when the
DTMF type is configured as “SIP INFO”,
“AUTO or SIP INFO” for account X.
0-Disabled
1-DTMF-Relay
2-DTMF
3-Telephone-Event
The default value is 0.
Account->Advanced->DTMF Info
Type
account.X.nat.nat_traversal
(X ranges from 1 to 3)
0 or 1
It enables or disables the NAT traversal for
account X.
0-Disabled
1-STUN
The default value is 0.
Note: It works only if the value of the
parameter “sip.nat_stun.enable” is set to 1
(Enabled).
Account->Register->NAT
account.X.nat.udp_update_enable
(X ranges from 1 to 3)
0, 1, 2 or 3
It configures the type of keep-alive packets
sent by the IP phone to the NAT device to
keep the communication port open so that
Account->Advanced->Keep Alive
Type