Snom Phones Frequently Asked Questions Manual page 6

SIP Stack Settings
sip_postfi x
Valid values: e.g. <proxy.company.de>
Default: blank
Description: Register postfi x, which is
automatically chosen as registrar if the
logon wizard is used to logon an SIP user
and the registrar has not been set up
through the logon wizard.
sip_proxy
Valid values: e.g. <proxy.company.de>,
<192.168.0.24>
Default: blank
Description: Address or path of the
outbound proxy that is used for calling.
route_proxy
Valid values: <true>, <false>
Default: false
Description: Treat as initial route
(<true>), <false> for address only
nat_detection
Valid values: <auto>, <upnp>,
<stunclient>, <static>, <off>
Default: auto
Description: NAT detection according to
your network.
stun_server
Valid values: e.g. <217.115.141.99:
5062>
Default: blank
Description: IP address of a STUN server
(hostname:port) if you have one.
stun_binding_interval
Valid values: Integer values e.g. 5, 10.
Default: blank
Description: STUN binding interval in
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seconds.
rtp_port_start
Valid values: Valid port numbers.
Default: blank
Description: First dynamic RTP port
rtp_port_end
Valid values: Valid port numbers.
Default: blank
Description: Last dynamic RTP port
network_id_name
Valid values: Valid name.
Default: blank
Description: Network identity
(hostname)
network_id_port
Valid values: Valid port number.
Default: blank
Description: Network identity (port)
use_nw_port
Valid values: <true>, <false>
Default: false
Description: Use local SIP port (<false>)
or network port (<true>)
sip_retry_t1, sip_retry_t2
Valid values: Integer values, e.g.
<500>.
Default: 500, 4000
Description: The time for resending SIP
messages in milliseconds. They should be
set to 500 and 4000 respectively.
session_timer
Valid values: Integer values, e.g.
<2400>, <3200>.
Default: 3600
Description: Default time for session
]
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