Based on the location on your UCaaS service, set your DHCP option 66 to one of the options below.
Magna5 East Portal
https://eastportal.magna5global.com/sip-ps/ – SIP Phones (Polycom, Mitel)
https://eastcisco.magna5global.com/sip-ps/$MA.cfg – Cisco Devices only
http://eastportal.magna5global.com/sip-ps – Yealink Devices only
Magna5 West Portal
https://westportal.magna5global.com/sip-ps/ – SIP Phones (Polycom, Mitel)
https://westcisco.magna5global.com/sip-ps/$MA.cfg – Cisco Devices only
http://westportal.magna5global.com/sip-ps – Yealink Devices only
Legacy East – Used for existing customers that have NOT been moved to “BGPP”
option 66 ascii https://www.csmessaging.com/sip-ps – new mitel and endpoint packs
option 66 ascii http://csmessaging.com/pps/aastra – aastra
option 66 ascii http://csmessaging.com/pps/cisco/$MA.cfg – cisco phones
option 66 ascii http://csmessaging.com/pps/polycom – Polycom