The Route Control message is sent with the following ICB to obtain a span/channel for an incoming call. This ICB is required for IP and Interworking calls.
The NPDI SIP Response Code TLV (0x2915) appears in this ICB when it is used in the Channel Released with Data message and Release Channel with Data messages. This ICB is required for the VDAC-ONE and IP Network Interface Series 2 cards.
Used in:
Outseize Control message
PPL Event Indication message
PPL Event Request message
Route Control message
Connect with Data message
Request for Service with Data message
Channel Released with Data message
Release Channel with Data message