General X/SS7-Headers

 

General

Name

Type

Possible Values

Description

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 Sangoma Documentation .

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

 


Nature of Address Look Up Table

Value

Calling

Called

Value

Calling

Called

0

spare

spare

1

subscriber number

subscriber number

2

unknown

unknown

3

national

national

4

international

international

 

 

 

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