audio.sip.AaiHeaderOnBlind

This parameter determines which header should propagate the AAI information from the "transfer" tag. Each value results in a different header. Values:

  • Referred-By (default)
  • Aai
  • Refer-To
  • User-To-User

The following examples illustrate the headers generated for each value in a sample blind transfer:

Referred-By

REFER sip:nvp@10.3.9.89:5060 SIP/2.0
Via: SIP/2.0/UDP 10.3.47.189:5060;branch=z9hG4bK-d8754z-94b7650ed362df5d-1---d8754z-
Max-Forwards: 70
Contact: <sip:10.3.47.189:5060>
To: "PhonerLite"<sip:nvp@10.3.9.89>;tag=545557378
From: <sip:10.3.47.189>;tag=1d1c8f04
Call-ID: 807420DF-64D0-E311-B802-C176B13885A7@10.3.9.89
CSeq: 2 REFER
Supported: norefersub
User-Agent: NVP/5.2.1-CT91363
Refer-To: <sip:4628@10.3.9.89>
Referred-By: <sip:10.3.47.189;Aai=TestAai5>
Refer-Sub: false
Content-Length: 0

Aai

REFER sip:nvp@10.3.9.89:5060 SIP/2.0
Via: SIP/2.0/ ;branch=z9hG4bK-d8754z-c62cf03515ddf23f-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:10.3.47.189:5060>
To: "PhonerLite"<sip:nvp@10.3.9.89>;tag=2707841132
From: <sip:10.3.47.189>;tag=2ec52211
Call-ID: 806A3A57-64D0-E311-B800-C176B13885A7@10.3.9.89
CSeq: 2 REFER
Supported: norefersub
Refer-To: <sip:4628@10.3.9.89>
Referred-By: <sip:10.3.47.189>
Refer-Sub: false
Aai: TestAai5
Content-Length: 0

Refer-To

REFER sip:nvp@10.3.9.89:5060 SIP/2.0
Via: SIP/2.0/UDP 10.3.47.189:5060;branch=z9hG4bK-d8754z-d16b8f0183902648-1---d8754z-
Max-Forwards: 70
Contact: <sip:10.3.47.189:5060>
To: "PhonerLite"<sip:nvp@10.3.9.89>;tag=1116124727
From: <sip:10.3.47.189>;tag=6c613b25
Call-ID: 0078352D-65D0-E311-B805-C176B13885A7@10.3.9.89
CSeq: 2 REFER
Supported: norefersub
User-Agent: NVP/5.2.1-CT91363
Refer-To: <sip:4628@10.3.9.89;Aai=TestAai5>
Referred-By: <sip:10.3.47.189>
Refer-Sub: false
Content-Length: 0

User-To-User

REFER sip:nvp@10.3.9.89:5060 SIP/2.0
Via: SIP/2.0/ ;branch=z9hG4bK-d8754z-c62cf03515ddf23f-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:10.3.47.189:5060>
To: "PhonerLite"<sip:nvp@10.3.9.89>;tag=2707841132
From: <sip:10.3.47.189>;tag=2ec52211
Call-ID: 806A3A57-64D0-E311-B800-C176B13885A7@10.3.9.89
CSeq: 2 REFER
Supported: norefersub
Refer-To: <sip:4628@10.3.9.89>
Referred-By: <sip:10.3.47.189>
Refer-Sub: false
User-To-User: TestAai5
Content-Length: 0