Enabling SIP Spiral

Applies to: Tmedia 3.0, 3.2, 3.3; SBC 3.1, 3.3

SIP spiral permits a SIP request to be routed to a proxy, forwarded onwards, and then be returned once again to the proxy with processing instructions that differ from the original request.

To enable SIP Spiral:

1- Select SIP from the navigation panel

EnableSipSpiral 0

2- Select a SIP configuration from the Sip Configuration List

EnableSipSpiral 1

3- Click Quirks to view options.

• Set the Support Spiral Call checkbox.

• Click Save

EnableSipSpiral 2

Path

/configurations/@[configuration_name]/sip_stacks/@[sipStack_Name]/quirks_and_advanced_parameters

Parameters (text)

/configurations/@[configuration_name]/sip_stacks/@[sipStack_Name]/quirks_and_advanced_parameters
add_angle_brackets_around_sip_uri        = true
advanced_transport_servers_configuration = false
clear_subscriptions_on_call_complete     = false
etsi_ts102_0272_2006_compliant           = false
generate_space_after_colon               = false
refuse_initial_invite_with_to_tag        = false
support_latin_characters                 = false
support_method_update                    = true
support_pound_and_backslash_in_user_info = true
support_quotes_in_quoted_string          = false
support_spiral_call                      = false

Parameters (json)

{
  "name" : "@[sipStack_Name]",
  "quirks_and_advanced_parameters" : {
    "add_angle_brackets_around_sip_uri" : true,
    "advanced_transport_servers_configuration" : false,
    "clear_subscriptions_on_call_complete" : false,
    "etsi_ts102_0272_2006_compliant" : false,
    "generate_space_after_colon" : false,
    "refuse_initial_invite_with_to_tag" : false,
    "support_latin_characters" : false,
    "support_method_update" : true,
    "support_pound_and_backslash_in_user_info" : true,
    "support_quotes_in_quoted_string" : false,
    "support_spiral_call" : false
  },
 }

List of Parameters

• Support Spiral Calls

• Generate Space After Colon

• Support # and \ in User Info

• ETSI TS 102 027-2 2006 Compliant

• Clear Subscriptions on Call Complete

• Support Quotes in Quoted String

• Support Latin Characters

• Add Angle Brackets Around SIP URI

• Support method UPDATE

• Using Symmetric Response Routing

• Remove route header in outgoing invite

• Refuse initial INVITE with To tag