6Step 6 of 8

6. Create a device (SIP account)

How to create the SIP device (extension) that belongs to the user, which a phone or softphone will register as.

A device is a SIP extension — the account a phone or softphone registers with. This step creates one and attaches it to the user from step 5.

Open Devices

In the sidebar, go to Customers > Devices, then select Create device (or open an existing device's General tab). Set the extension number and attach it to your user.

Device edit page General tab with registration status, name and extension fields, codecs, and a generated PJSIP configuration preview. — A device's General tab: name, extension, codecs and the generated PJSIP configuration.

Set a device password

Scroll to Authentication & network. This is where the SIP Secret (the device's password), host mode and transport live — the values your softphone will need in step 7.

Authentication and network section of the device form with Secret, Dynamic host, Port, NAT and Transport fields; the secret value is masked. — Authentication & network. The Secret is masked here — treat it like any other password.

What each field means

Field	Meaning
`Extension`	The number this device dials from and is reached at internally.
`Secret`	The SIP password the phone authenticates with — Voiplix generates a random one; you can also set your own.
`Dynamic host (registration)`	Checked when the phone registers from a changing address (the normal case for a softphone).
`Port`	The SIP port Voiplix expects this device on.
`Transport`	The SIP transport — UDP, TCP or TLS.

Warning

Use a strong, random Secret. A weak or guessable device password is one of the most common ways a PBX gets toll fraud — calls placed by someone else, on your account.

Check

The device shows the extension and is linked to your user. Keep the Secret visible (or copy it) — you will enter it in your softphone in the next step.