A common scenario which involves a GXW42xx (FXS gateway) and multiple GXW410x (FXO gateway) but doesn’t involve any SIP server. This scenario allows organizations with remote location to access FXO trunks through IP network.

CONFIGURATION OF THE GXW42XX & MULTIPLE GXW410XX SCENARIO

GXW42XX CONFIGURATION

Maintenance → Network Settings

• STUN Server – Blank

Profiles → Profile 1

General Settings:

• SIP server – Set to IP address of 1^st GXW 410x

Network Settings:

• NAT traversal – No

SIP Settings → Basic Settings:

• SIP registration – No

• Outgoing Call without Registration – No

• Local SIP Port – 5060

Profiles → Profile 2

General Settings:

• SIP server – Set to IP address of 2^nd GXW 410x

Network Settings:

• NAT traversal – No

SIP Settings → Basic Settings:

• SIP registration – No

• Outgoing Call without Registration – No

• Local SIP Port – 6060

FXS Ports:

Port Settings:

• Port 1 – 8 → User ID: 123

• Port 1 – 8 → Profile 1

• Port 1 – 8 → Enable FXS – Yes

• Port 9 – 16 → User ID: 123

• Port 9 – 16 → Profile 2

• Port 9 – 16 → Enable FXS – Yes

1^st GXW 410X CONFIGURATION:

Settings → General Settings:

• STUN server – Blank

FXO lines → Dialing:

Dialing to PSTN:

• Wait for dial tone – Y or N (whichever suits your FXO lines)

• Stage Method – 1

Settings → Channels Settings

Calling to VoIP:

• User ID: ch1-8:123;

• Sip Server: ch1-8; p1;

• Sip Destination Port: 5060++

FXO lines → Settings:

Port Caller ID Setting:

• Number of Rings Before Pickup: ch1-8:4;

Accounts → Account 1:

General Settings：

• SIP Server: Set it to IP address of GXW42xx

SIP Settings:

• SIP registration – No

Network Settings:

• NAT traversal – No

2^nd GXW 410X CONFIGURATION:

Settings → General Settings:

• STUN server – Blank

FXO lines → Dialing:

Dialing to PSTN:

• Wait for dial tone – Y or N (whichever suits your FXO lines)

• Stage Method – 1

Settings → Channels Settings

Calling to VoIP:

• User ID: ch1-8:123;

• Sip Server: ch1-8; p1;

• Sip Destination Port: 6076++

FXO lines → Settings:

Port Caller ID Setting:

• Number of Rings Before Pickup: ch1-8:4;

Accounts → Account 1:

General Settings：

• SIP Server: Set it to IP address of GXW42xx

SIP Settings:

• SIP registration – No

Network Settings:

• NAT traversal – No