General X/SS7-Headers
- Kelli Higdon
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General
Name | Type | Possible Values | Description |
|---|---|---|---|
Calling Number | String | Anything | Calling Party's phone number, i.e. used in order to retrieve the CID of the call in case when presentation is restricted and CID needs to be sent via dialplan |
Original Calling Number | String | Anything | Calling Party's phone number, i.e. used in order to retrieve the original CID of the call when IAM is received |
Caller's Phone Number | String | Anything | Calling parties phone number, which is typically the CID for the call. |
Caller's Name | String | Anything | Calling parties name, which is typically the CID name for the call. |
Calling Party Category | Number | 0-255 | This is used to define what category the caller is. Normally this is set to "ordinary calling subscriber" to indicate a typical user. Possibilities in the spec indicate "operator, language French" or "Payphone". |
Callers Nature of Address Indicator | Number | 0-127 | This is used to describe the scope of the number. Eg if the number is international, national, etc. |
Screening Indicator | Number | 0-3 | This defines if the user provided the screening info or the network and if the number was verified or not. |
Presentation Indicator | Number | 0-3 | This is used to indicate if the number is restricted; if restricted the the CID info should not be displayed. See http://wiki.sangoma.com/nsg-faq#privacy . |
Access Transport IE encoded | String | Anything | This is defined to set the ss7 transport encoded signalling information. |
Call Block Indicator | Enum | 0 or 1 | This is defined to set the whether network number should get disclosed to called user or it should not |
Hop Counter | Number | 0-255 | This is to set the Max Forwards Interworking field |
User to User Information | String | Anything | This is to set the user to user information in isup message |
Call Reference Value | Number | 0 - 0xFFFFFFFF | This value is used to identify a particular call much like a ID number for each call. |
Number Portability Forward Information Status Indication | Number | 0-3 | This value is used to identify the status of Number Portability. |
Number Portability Forward Information Extension Indicator | String | Anything | This indicates the extension  w.r.t. Number portability. |
Forward Call Indicator in Hex | Hex | Anything | This indicates the value of forward call indicator |
Nature of Connection Indicator in Hex | Hex | Anything | This indicates the value of Nature of connection Indicator in HEX |
IAM Message Priority | Hex | Anything | This indicates the value of IAM message priority. It is important while congestion to allow calls based on message priority |
Charge Unit Number | Number | 0-255 | This indicates the charge unit in ITX message, in case of SPIROU network |
Message Number | Number | 0-255 | This indicated message respective information in case of SPIROU network for ITX message |
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Nature of Address Look Up Table
Value | Calling | Called |
|---|---|---|
0 | spare | spare |
1 | subscriber number | subscriber number |
2 | unknown | unknown |
3 | national | national |
4 | international | international |
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