Sample Sipura config for Voipbuster

Assumptions:

• voipbuster username: foobar
• voipbuster password: abcdef9876

Line 1 > Proxy and Registration
 Proxy: sip.voipbuster.com
 Use Outbound Proxy: no
 Outbound Proxy: sip.voipbuster.com
 Use OB Proxy In Dialog: yes
 Register: yes
 Make Call Without Reg: no
 Ans Call Without Reg: yes
 Register Expires: 120
 Use DNS SRV: no

Line 1 > Subscriber Information
 User ID: foobar
 Password: abcdef9876

Line 1> Audio Configuration
 Preferred Codec: G711u
 Use Pref Codec Only: no
 DTMF Tx Method: Auto
 Symmetric RTP: yes (if it's a SPA-3000)

Network Address Translation Situation

If you are behind a Firewall/NAT router, you have two options:

1. Portforwarding
2. STUN

Portforwarding

The following ports must be portforwarded from your Firewall/NAT router to your SPA:

• UDP 5060
• The UDP port range specified from SIP > RTP Parameters > RTP Port Min until SIP > RTP Parameters > RTP Port Max

STUN Support

SIP > NAT Support Parameters
 Handle VIA received: yes
 Handle VIA rport: yes
 Insert VIA received: yes
 Insert VIA rport: yes
 Substitute VIA Addr: yes
 Send Resp To Src Port: yes
 STUN Enable: yes
 STUN Test Enable: yes
 STUN Server: any public STUN server
 NAT Keep Alive Intvl: 15 (can be increased after you are confident everything is configured properly)

Line 1 > NAT Settings
 NAT Mapping Enable: yes
 NAT Keep Alive Enable: yes
 NAT Keep Alive Msg: $NOTIFY
 NAT Keep Alive Dest: $PROXY

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