Grandstream Networks GSC3516 User Manual page 23

Account Active
Account Name
IP Server
Secondary SIP Server
Outbound Proxy
Secondary Outbound Proxy
SIP User ID
SIP Authentication ID
SIP Authentication Password
Display Name
Tel URI
DNS Mode
NAT Traversal
Account Register
Indicates whether the account is active. 1st account active by default.
Configures the name associated with each account.
Specifies the URL or IP address, and port of the SIP server. This should be provided by VoIP service
provider (ITSP).
The URL or IP address, and port of the SIP server. This will be used when the primary SIP server fails.
Configures the IP address or the domain name of the primary outbound proxy, media gateway or
session border controller. It's used by the device 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
Sets IP address or domain name of the secondary outbound proxy, media gateway or session border
controller. The device will try to connect the Secondary outbound proxy only if the primary outbound
proxy fails.
Configures user account information provided by your VoIP service provider (ITSP). It's usually in the
form of digits similar to phone number or actually a phone number.
Configures the SIP service subscriber's Authenticate ID used for authentication. It can be identical to or
different from the SIP User ID.
Configures the account password required for the device to authenticate with the ITSP (SIP) server
before the account can be registered. After saving, it will appear as hidden for security purpose
Configures the 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 device 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".
Network Settings
Defines which DNS service will be used to lookup IP address for SIP server's hostname. There are 4
modes:
● A Record
● SRV
● NATPTR/SRV
● User Configured IP
To locate the server by DNS SRV set this option to "SRV" or "NATPTR/SRV". Default setting is "A
Record".
Specifies which NAT traversal mechanism will be enabled on the device. It can be selected from the
dropdown list:
● No
● STUN
● Keep-Alive