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The
Excerpt

The 

Spacevars
0series4
 platform supports inter-working between Diversion header and History-Info header based on RFC 6044. In addition to handling the History-Info header in SIP messages in the dotted notation of indexes,

the

the 

Spacevars
0product
 supports the Cause parameter as specified in RFC 4458 or Reason header as specified in RFC 4244.

The IP Signaling Profile flag, "Diversion History Info Interworking", indicates to the egress side that the inter-working is accomplished as per the RFC 6044. In addition, the existing Redirecting Info flag of "Diversion" and "History-Info" will indicate to the egress the

target

target inter-working header which needs to be sent out in INVITE message. The Diversion and History-Info headers received on the ingress side are transparently passed across to the egress where newly introduced flags determine the corresponding header to be used to pass on this information in outgoing INVITE.

This feature is supported across GW-GW, where

the

the 

Spacevars
0product
 is the egress node.

Note

When a 3xx response is received with both Diversion and History-Info header, Diversion header processing is given priority within the received 3xx, irrespective of the Diversion or History-Info configuration on the new egress route where the call is redirected.

Include Page
_Transparency_Profile_Note
_Transparency_Profile_Note

To View and Edit Call Forwarding

On

the

the 

Spacevars
0product
 main screen, go

to

to Configuration

>

 > System Provisioning

> Category

 > Category: Trunk

Provisioning

Provisioning >

IP

 IP Signaling Profile

> Egress

 > Egress IP Attributes

> SIP

 > SIP Headers And Parameters

> Call

 > Call Forwarding.

The Call Forwarding window is displayed.

DEFAULT_SIP

On the Call Forwarding window, choose the IP Signaling Profile

as

as DEFAULT_SIP

to

 to view the Call Forwarding for SIP Trunk Group.

Trunk Provisioning - Egress IP Attributes SIP Call Forwarding

Image Modified


Egress IP Attributes Call Forwarding

Parameter

Description

Diversion History Info Interworking

Enable flag to allow interworking between Diversion and History-Info header as per RFC 6044. The 

Spacevars
0product

supports

 supports up to 12 History-Info entries and 10 Diversion entries. When this flag is disabled, only the first and last entries are maintained when History-Info or diversion transparency is disabled.

  • Disable (default)
  • Enable

NOTE:

Diversion History Info Interworking is

This flag is only visible when either Diversion or History-Info header is selected as the egress call-forwarding header. Diversion and History-Info Transparency configuration

controls are

controls are ignored when it is enabled. This parameter has precedence over

the others

these controls, as well as the TG Signaling flag Accept History Info.

Data Mapping
 Use

Use this parameter to define how to map the diversion or redirecting data.

Options are:

None
  • None – No Diversion information is egressed.
Diversion
  • Diversion – Diversion information is sent out as SIP Diversion Header.
  • PK Headers
  •  – Diversion information is sent out as proprietary PK Headers.
Diversion Header Transparency
 When

When enabled, the ingress Diversion header is passed through unchanged. Call forwarding data mapping transparency applies to Diversion header only.

Disable
  • Disable (default)
  • Enable


Make the required changes and

click

click Save.


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