I've searched a lot about it but I've not been able to find a way to "Camp on" a busy line on my SPA504G phones via Asterisk. Is this possible?

I manage a small office with approx 12 SPA504Gs I have spent time setting up correct provisioning to ensure all phones get the latest updates and this works on most phones. However there are 4 phones in the office that are stuck on an older version. ...

Hello all,I am provisioning SPA504g phones using a tftp server and it works well, however there is something that annoys me. I have the phones doing firmware updates with the update rule: tftp://sip.XXXXXXXXX.net/Cisco/spa$PSN/Firmware/from-$SWVER/sp...

Hey,Is it possibly to use a remote call to an SPA phone to tell it to start dialling a number? I'm looking to create a firefox plug-in that will recognise phone numbers and allow me to click to call, which will start the call on my desk phone.Setup a...