SIP Trunk Device Protocol: Device Name * CUBE_SIP_Trunk Description CUBE_SIP_Trunk Device Pool * CUBE_DP Common Device Configuration Call Classification * Use System Default Media Resource Group List I ocation * Hub_None AAK Group Packet Capture Mode * Packet Capture Duration Media Termination Point Required Retry Video Call as Audio Transmit UTF-8 for Calling Party Name Unattended Port Figure 12-16 SIP Trunk Information 284 SIP Trunking Fill in the following values: Device Name: CUBE SIP Trunk Description: CUBE SIP Trunk (The same value is used in the description. This is the description for the trunk. You might need to write a description that makes sense to your network.) Device Pool: CUBE DP (from Step 6) Step 12. Now, you provide call routing information for both incoming and outgoing calls that flow via this trunk. In the case of incoming call routing, there can be significant digits depending on the CUCM DN's length. In this case, it is assumed that the DN length configured in CUCM is 4. Configure the proper Calling Search Space (CSS) to make sure the called DN is part of that CSS. Figure 12-17 shows the call routing information for both incoming and outgo- ing calls. Call Routing Information Inbound Calls Significant Digits Connected Linc ID Presentation * Allowed Connected Name Presentation * Allowed Calling Search Space SITE1_Phones_CSS AAR Calling Search Space None > Prefix DN Redirecting Diversion Header Delivery - Inbound Outbound Calls Calling Party Selection * First Redirect Number (External) Calling Line ID Presentation Allowed Calling Name Presentation * Default Caller ID DN Caller Name Redirecting Diversion Header Delivery - Outbound Figure 12-17 Call Routing Information For outbound calls, the SP (in this case) enables only calls into the network that have the allocated DID numbers either in the Remote Part or Diversion header of the SIP invite message. To accommodate the restriction for Call Forwarded All on a DN, select Calling Party Selection with the First Redirect Number (External) to keep