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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
Direct Outward Dialing
With the Direct Outward Dialing (DOD) service, a station user can place external calls to the exchange
network without attendant assistance by:
1. Dialing the DOD (public) access code (usually the digit 9)
2. Receiving a second dial tone
3. Dialing the external number (a number outside the customer group)
Access to the DOD feature is subject to station restrictions.
Note For IP phones, the second dial tone is provided by the phone itself. However, the prefix code is presented
to the BTS 10200 along with the DDD number in the INVITE message. Secondary dial-tone capability
is dependent on the SIP device used.
For information about the operation of this feature, see the DOD for PBX section in the
Cisco BTS 10200 Softswitch Network and Subscriber Feature Descriptions guide.
Do Not Disturb
The Do Not Disturb (DND) feature enables a user to block incoming calls to the station on which the
feature is activated. If no call forwarding features are activated, calls to the station are routed to busy
treatment. This feature should be provisioned and activated on the BTS 10200 because of feature
interaction with advanced features like executive override.
This is a single-stage dialing activation feature. The Alert-Info header plays the result of
activation/deactivation—Success is a confirmation tone and failure is a failure message.
The reminder ring option (which is available with the DND feature on MGCP-based lines) cannot be
used with SIP devices.
For features (such as DND) that can be fully provisioned on the BTS 10200 or on the phone, you can
provision either one of the devices to enable the feature.
Caution Prior to provisioning your system, determine how you want to apply and configure features in your
network to avoid conflicts between features provided by the BTS 10200 and features provided by the
phones.
Additional information on this feature is provided at the following links.
Provisioning Procedure
Feature Behavior (Feature Description and
Handset Provisioning)
“Do Not Disturb (DND)” section in the
Cisco BTS 10200 Softswitch Provisioning Guide
“Do Not Disturb (DND)” section in the
Cisco BTS 10200 Softswitch Network and
Subscriber Feature Descriptions document