VTech VSP600 Administrator And Provisioning Manual page 76

Setting:
Description:
Values:
Setting:
Description:
Values:
Setting:
Description:
Values:
Setting:
Description:
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Setting:
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Setting:
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VSP600/VSP601 Administrator and Provisioning Manual
sip_account.x.mwi_ignore_unsolicited
Enables or disables ignoring of unsolicited MWI notifications—
notifications in addition to, or instead of SUBSCRIBE and NOTIFY
methods—for account x. Disable if MWI service is configured on the
voicemail server and does not involve a subscription to a voicemail
server.
0 (disabled), 1 (enabled)
sip_account.x.nat_traversal_stun_enable
Enables or disables STUN (Simple Traversal of UDP through NATs) for
account x. STUN enables clients, each behind a firewall, to establish
calls via a service provider hosted outside of either local network.
0 (disabled), 1 (enabled)
sip_account.x.nat_traversal_stun_server_address
Sets the STUN server IP address.
Text string
sip_account.x.nat_traversal_stun_server_port
Sets the STUN server port.
1–65535
sip_account.x.nat_traversal_udp_keep_alive_enable
Enables or disables UDP keep-alives. Keep-alive packets are used to
maintain connections established through NAT.
0 (disabled), 1 (enabled)
sip_account.x.nat_traversal_udp_keep_alive_interval
Sets the interval (in seconds) for sending UDP keep-alives.
0–65535
Default: 0
Default: 0
Default: Blank
Default: 3478
Default: 0
Default: 30
76 Appendix A: Configuration File Settings