Ziggo zakelijk

Gigaset T440/T640 settings.

Gateway group:

In the Gigaset PBX go to "Administration" -> "Routes" -> "Gateway groups" - Enter the desired name and click on "Create new group":

SIP Gateway:

In the Gigaset PBX go to "Administration" -> "Routes" -> "SIP Gateways" - At "Gateway" enter the desired name and click on "Create new gateway":

Fill out the provider details:

With the "Dial command" in this screenshot there is no need to dial an zero for an outside line
If it is wanted to select an outgoing line with a zero the "Dial command" is as following: PJSIP/{prefix}{number:1}@[gateway}