curl --location 'https://awqacore01.crexendocloud.com/ns-api/v2/phones/servers' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"name": "core1",
"core-server-hostname": "core1.example.com",
"core-server-port": "5060",
"device-provisioning-core-server-tcp-port": "5060",
"device-provisioning-core-server-tls-port": "5061",
"device-provisioning-redundancy-group": "east",
"backup_ok": "yes",
"address-location-description": "Dallas data center",
"device-provisioning-core-server-postfix-fqdn": "example.com",
"device-provisioning-core-server-api-fqdn": "api.example.com",
"core-server-api-key": "nss_EXAMPLEKEY0000000000"
}'