You need a CallingCardBuster username and password in order to call via our network. So first sign up with CallingCardBuster by downloading and installing the application and create your login.

You can use CallingCardBuster with the following types of Sip devices:

1. SIP ATA (Analogue Telephone Adapter)
2. SIP Router
3. xDSL Modem

The most devices are equipped with a combination of the following ports.

Example 1

(this is merely an example layout, every type of device can be different)

Example 2

(this is merely an example layout, every type of device can be different)

1. (A)DSL: connect your line from your (A)DSL provider (not available on a ATA)
2. WAN: connect your line from your xDSL modem/router
3. LAN: port for your (home) network, you can connect e.g. your PC, lap-top, network-printer or wireless router
4. PHONE: here you can connect your analogue telephone
5. LINE: connect your analogue (PSTN) telephone line
6. USB: you can connect PC or lap-top with a free USB port

Some SIP devices have more than one LAN port and/or PHONE port available.

For the hardware connections from your SIP device look at the above information and your user manual. After connecting the hardware you have to make sure that your software is installed and configured the right way.

Software configuration

General
	SIP port : 5060
	Registrar : sip.callingcardbuster.co.uk
	Proxy server : sip.callingcardbuster.co.uk
	Outbound proxy server : leave empty
	Account name : your CallingCardBuster username
	Password : your CallingCardBuster password
	Display name/number : your CallingCardBuster username or voipnumber
	Stunserver (option) : stun.callingcardbuster.co.uk
	ONLY select codec G711 a-Law as active codec. All other available codecs should NOT be selected as active.

Below are some examples of the software configuration of various popular SIP devices. Please also consult the manual that came with your SIP device

Codecs
	G.711 (64 kbps)
	G.726 (32 kbps)
	G.729 (8 kbps)
	G.723 (5.3 & 6.3 kbps)
	GSMFR (13.2 kbps)

If you have audio problems:
Use a STUN server (e.g. stun.callingcardbuster.co.uk) with port 3478 (if supported by your device)
Use the G.711 codec