VoIP Phones - Protalk

From AAISP Support Site

SIP parameters

Here are the settings used, in our case the username happens to be door, but if using AASIP then the username will be the full phone number.

Protalk Door Entry Phone
Setting Value
SIP proxy server Address: voiceless.aa.net.uk
port 5060
SIP registrar server Address voiceless.aa.net.uk
Port 5060
Outbound proxy Address voiceless.aa.net.uk
Port 5060
Account module Name Your Number
Password Your SIP Password
Auth. Id Your Number
Expiration [sec] 600
Use (180 Ringing) Selected
Enable Simmetric RTP Unticked
SIP Parameters on a Protalk door entry phone

Then, under the Memory Numbers page, you set the number that the phone will dial when the button is pressed - it's best for this to be a Number that rings a group of other numbers.