Yealink SIP-T4 Series Configuration Manual page 110

account.1.sip_server.2.expires =
account.1.sip_server.2.retry_counts =
account.1.sip_server.2.failback_mode =
account.1.sip_server.2.failback_timeout =
account.1.sip_server.2.register_on_enable =
account.1.dns_cache_type =
account.1.static_cache_pri = %STATIC-CACHE-PRI%
account.1.register_expires_overlap =
account.1.subscribe_expires_overlap =
##########################################################################
#############
##
##
##########################################################################
#############
##It configures the SIP server type for account X.0-Default,2-BroadSoft,4-
Cosmocom,6-UCAP
##The default value is 0.
account.1.sip_server_type = 2
account.1.unregister_on_reboot =
account.1.proxy_require =
account.1.register_mac =
account.1.register_line =
account.1.reg_fail_retry_interval =
##########################################################################
############
##
##
##########################################################################
############
##It enables or disables the NAT traversal for account X.0-Disabled,1-
Enabled
##The default value is 0.
account.1.nat.nat_traversal =
##It configures the IP address or domain name of the STUN server for
account X.
##The default value is blank.
##It configures the port of the STUN server for account X.
##The default value is 3478.
##It configures the type of keep-alive packets sent by the phone to the
NAT static to keep the communication port open so that NAT can continue to
function for account X.
##0-Dsiabled,1-Default: the phone sends UDP packets to the server,2-
Option: the phone sends SIP OPTION packets to the server,3-Notify: the
phone sends SIP NOTIFY packets to the server.
##The default value is 1.
account.1.nat.udp_update_enable =
##It configures the keep-alive interval (in seconds) for account X.
##The default value is 30.Integer from 15 to 2147483647
account.1.nat.udp_update_time =
BROADSOFT PARTNER CONFIGURATION GUIDE – YEALINK T4X IP PHONE
2017 BROADSOFT INC.
©
Register Advanced
NAT Settings
20-BD5476-00
PAGE 110 OF 150