Yealink SIP-T19 E2 [329/401] Descriptions web setting path

Appendix

319

Parameter

Permitted

Values

Descriptions

Web Setting Path

SIP-T20P: X ranges from 1 to 2.

Y ranges from 1 to 2)

1-DNSTTL: the IP phone retries to send

requests to the primary server after the

timeout of the DNSTTL configured for the

server that the IP phone is registered to.

2-Registration: the IP phone retries to send

when registration renewal.

3-duration: the IP phone retries to send

requests to the primary server after the

timeout defined by the parameter

“account.X.sip_server.Y.failback_timeout”.

The default value is 0.

For more information, refer to

Server

Redundancy on Yealink IP Phones

account.X.sip_server.Y.failback_timeout

(SIP-T48G/T46G: X ranges from 1 to 16.

SIP-T42G: X ranges from 1 to 12.

SIP-T28P/T41P: X ranges from 1 to 6.

SIP-T26P/T22P: X ranges from 1 to 3.

SIP-T20P: X ranges from 1 to 2.

Y ranges from 1 to 2.)

Integer 0, from

60 to 65535

It configures the timeout (in seconds) for the IP

phone to retry to send requests to the primary

server after failing over to the current working

server for account X when the parameter

“account.X.sip_server.Y.failback_mode” is set

to 3 (duration).

If you set the parameter to 0, the IP phone will

not send requests to the primary server until a