How should I code the Called Party Number Information Element for an International number?
When coding for an International number, it is important to pay attention to the third octet of the Called Party Number Information Element. This structure of this octet is as follows: FIELD BIT VALUE MEANING Extension 8 1 last octet of the description Type of number 7-5 000 unknown 001 international number 010 national number 100 subscriber number Numbering plan 4-1 0000 unknown 0001 ISDN/telephony numbering plan (Recommendation E.164/E.163) 1001 private numbering plan Use either of the following methods to indicate an International number: • Code the Type of Number field as international number (001), and the Numbering plan field as ISDN/telephony numbering plan (0001). If you do this, DO NOT include the three digit prefix “011” in the Number digits. • Code the Type of Number field as unknown (000), and the Numbering plan field as unknown (0000). If you do this, you MUST include the three digit prefix “011” in the Number digits. For complete information about coding the Called Party
