ExtNetSelCallingPartyHeaderPriorityTableEntryClass

Each table entry specifies a SIP header name and an associated priority. The lower priority number a header has the higher priority it gets.
At startup, ExtNetSelCallingPartyHeaderPriorityTableEntryClass will create 4 entries:
- P-Served-User = 100
- History-Info = 200
- P-Asserted-Identity = 300
- From = 400
Note: Operator can modify these values whenever.

Attributes
`Integer0to65535DT`	`extNetSelCallingPartyHeaderPriority = 1` This attribute specifies the priority of the ExtNetSelCallingPartyHeaderPriorityTableEntryClass instance. Every ExtNetSelCallingPartyHeaderPriorityTableEntryClass instance has to have a unique priority.
`ExtNetSelCallingPartyHeaderPriorityTableEntryDT key mandatory noNotification restricted`	`extNetSelCallingPartyHeaderPriorityTableEntry` This parameter specifies a SIP header name. It is the key attribute of ExtNetSelCallingPartyHeaderPriorityTableEntryClass

class ExtNetSelCallingPartyHeaderPriorityTableEntryClass