Grandstream Networks WP820 Administration Manual page 18

SIP Server
Secondary SIP Server
SIP User ID
SIP Authentication ID
SIP Authentication Password
Display Name
Tel URI
Voice Mail Access Number
Network Settings
Outbound Proxy
Secondary Outbound Proxy
DNS Mode
Configures the URL or IP address, and port of the SIP server.
This is provided by your VoIP service provider (ITSP).
Configures the URL or IP address, and port of the SIP server.
This will be used when the primary SIP server fails.
Configures the user account information, provided by your
VoIP service provider (ITSP). It is usually in the form of digits
similar to phone number or actually a phone number.
Configures the SIP service subscriber's ID used for
authentication. It can be identical to or different from the SIP
User ID.
Configures the account password required for the phone to
authenticate with the ITSP (SIP) server before the account
can be registered. After it is saved, this will appear as hidden
for security purpose.
Configures the SIP server subscriber's name (optional) that
will be used for Caller ID display.
Indicates E.164 number in "From" header by adding
"User=Phone" parameter or
using "Tel:" in SIP packets if the base has an assigned PSTN
Number.
● Disabled: Will use "SIP User ID" information in the
Request-Line and "From" header.
● User=Phone: "User=Phone" parameter will be attached to
the Request-Line and "From" header in the SIP request to
indicate the E.164 number. If set to "Enable".
● Enabled: "Tel:" will be used instead of "sip:" in the SIP
request.
Please consult your carrier before changing this parameter.
Default is Disabled.
Defines the voice mail portal access number to allow users
accessing their voice messages.
Configures the IP address or Domain name of the Primary
Outbound Proxy, Media Gateway, or Session Border
Controller. It is used by the phone for Firewall or NAT
penetration in different network environments. If a
symmetric NAT is detected, STUN will not work and ONLY an
Outbound Proxy can provide a solution.
Configures the IP address or Domain name of the Secondary
Outbound Proxy, Media Gateway, or Session Border
Controller. Secondary outbound proxy will be used when the
primary outbound proxy fails.
Selects DNS mode to use for the client to look up server. One
mode can be chosen.
● A Record: resolves IP Address of target according to
domain name.
● SRV: DNS SRV resource records indicate how to find
services for various
protocols.