enum ISDNNOA

Nature Of Number of ISDN

References from:: GTConvert; RadiusSS7Stack; SS7Stack;

`0`	`NOA_UNKOWN`
`1`	`NOA_INTERNATIONAL_NUMBER`
`2`	`NOA_NATIONAL_SIGNIFICANT`
`3`	`NOA_NETWORK_SPECIFIC`
`4`	`NOA_SUBSCRIBER_NUMBER`
`5`	`NOA_RESERVED`
`6`	`NOA_ABBREVIATED_NUMBER`
`7`	`NOA_RESERVED_4_EXTENSION`

enum ISDNNOA