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Grandstream Networks, Inc. GXW-400x User Manual Page 22 of 31

Firmware 1.0.0.17 Last Updated: 12/2006

TABLE 11: PROFILE PAGE DEFINITIONS

Profile Active

When set to Yes the SIP Profile is activated.

SIP Server

SIP Server’s IP address or Domain name provided by VoIP service provider.

Outbound Proxy

IP address or Domain name of Outbound Proxy, or Media Gateway, or Session

Border Controller. Used by GXW–400x for firewall or NAT penetration in different

network environments. If symmetric NAT is detected, STUN will not work and

ONLY outbound proxy can correct the problem.

SIP transport

User can select UDP or TCP or TLS.

NAT Traversal

This parameter defines whether the GXW–400x NAT traversal mechanism is

activated or not. If activated (by choosing “Yes”) and a STUN server is also

specified, then the GXW–400x performs according to the STUN client specification.

Under this mode, the embedded STUN client will detect if and what type of

firewall/NAT is being used. If the detected NAT is a Full Cone, Restricted Cone, or

a Port-Restricted Cone, the GXW–400x will use its mapped public IP address and

port in all of its SIP and SDP messages.

If the NAT Traversal field is set to “Yes” with no specified STUN server, the GXW–

400x will periodically (every 20 seconds or so) send a blank UDP packet (with no

payload data) to the SIP server to keep the “hole” on the NAT open.

Use DNS SRV:

Default is No. If set to “Yes” the client will use DNS SRV to look up server.

User ID is Phone

Number

If the GXW–400x has an assigned PSTN telephone number, this field should be set

to “Yes”. Otherwise, set it to “No”. If “Yes” is set, a “user=phone” parameter will be

attached to the “From” header in SIP request.

SIP Registration

This parameter controls whether the GXW–400x needs to send REGISTER

messages to the proxy server. The default setting is “Yes”.

Unregister on

Reboot

Default is No. If set to “Yes”, the SIP user’s registration information is cleared on

reboot.

Outgoing Call

w/o Registration

Default is No. If set to “Yes,” user can place outgoing calls even when not

registered (if allowed by ITSP) but is unable to receive incoming calls.

Expiration

Allows the user to specify the time frequency (in minutes) for the GXW–400x to

refresh its registration with the specified registrar. The default interval is 60 minutes

(or 1 hour). The maximum interval is 65535 minutes (about 45 days).

Local SIP port

Defines the local SIP port the GXW–400x will listen and transmit. The default value

for Account 1 is 5060. It is 5062, 5064, 5066 for Account 2, Account 3 and Account

4 respectively.

Local RTP Port

Defines the local RTP-RTCP port pair the GXW400x will listen and transmit. It is the

base RTP port for channel 0. When configured, channel 0 will use this port _value

for RTP and the port_value+1 for its RTCP; channel 1 will use port_value+2 for RTP

and port_value+3 for its RTCP. The default value is 5004.

Refer to Use

Target Contact

Used for call transfer, incase server requires this setting.

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Grandstream Networks GXW400x Manuel d'utilisateur Page 22

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