This guide gives you all of the overrides for the Snom PA -1 Device and how it's auto-provisioned to the Crexendo VIP System.
Multicast Listening:
multicast_listen="on"
mc_address1="239.0.0.3:10002"
mc_address2="IP ADDRESS AND PORT"
mc_address3="IP ADDRESS AND PORT"
mc_address4="IP ADDRESS AND PORT"
mc_address5="IP ADDRESS AND PORT"
mc_address6="IP ADDRESS AND PORT"
mc_address7="IP ADDRESS AND PORT"
mc_address8="IP ADDRESS AND PORT"
mc_address9="IP ADDRESS AND PORT"
mc_address10="IP ADDRESS AND PORT"
Multicast Relay:
multicast_relay_address1="239.0.0.2:10001"
multicast_relay_address2="IP ADDRESS AND PORT"
multicast_relay_address3="IP ADDRESS AND PORT"
multicast_relay_address4="IP ADDRESS AND PORT"
Adding these will require a factory reset to sync the new config, but this will not impact the device registration once completed.