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Cisco BTS 10200 Softswitch SIP Feature and Provisioning Guide, Release 5.0
OL-12397-13
Chapter 2 SIP Subscribers
Cisco BTS 10200 Softswitch-Based Features
Call Forwarding
The differences between the feature for SIP and the feature for MGCP are as follows:
• There is no tone provided for SIP users to prompt for forwarding digits. The SIP users enter the
forwarding digits immediately after the VSC. This is called single-stage dialing.
• There is no dial tone played after the SIP user successfully activates or deactivates the Forwarding
features. The SIP user always hears an announcement (if announcements are provisioned) or a
re-order tone.
Call Forwarding Activation and Deactivation
Activation and deactivation of call forwarding features use the vertical service code (VSC), also known
as a star code.
With SIP support, the call forwarded to number can be a Centrex extension number (only applicable for
business users) or an E.164 number.
Calling Name and Number Delivery CND
Customer Access Treatment CAT
Customer-Originated Trace COT
Differentiated Services Code Point DSCP
Direct Inward Dialing DID
Direct Outward Dialing DOD
Do Not Disturb DND
Do Not Disturb Activation DND_ACT
Do Not Disturb Deactivation DND_DEACT
Emergency Call E911
E.164 and Centrex Dialing Plan (Extension Dialing) E.164
Incoming and Outgoing Simulated Facility Group ISFG and OSFG
Multiple Directory Numbers MDN
Operator Services (0-, 0+, 01+, 00 calls) —
Outgoing Call Barring OCB
Outgoing Call Barring Activation OCBA
Outgoing Call Barring Deactivation OCBD
Outgoing Call Barring Interrogation OCBI
Remote Activation of Call Forwarding RACF
Vertical Service Codes VSC
Table 2-2 BTS 10200-Based SIP Features (continued)
SIP Feature Acronym