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Cisco BTS 10200 Softswitch SIP Protocol User Guide
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Chapter 2 SIP Protocol Subscriber Features
Cisco BTS 10200 Softswitch-Based Features
The number of digits used for Centrex dialing can be provisioned within a range of 1 through 7 digits.
Incoming and Outgoing Simulated Facility Group
This feature was introduced in a previous Cisco BTS 10200 Softswitch release. There are no differences
when provisioning the feature for SIP.
For information, refer to the Features for Centrex Subscribers Only section of the
Cisco BTS 10200 Softswitch System Description guide.
Interworking
Release 4.4 supports the following interworking combinations between SIP subscribers and:
• H.323 trunks
• SIP trunks
• PSTN (SS7, ISUP)
• ISDN
• MGCP subscribers
Multiple Directory Numbers
This feature was introduced in a previous Cisco BTS 10200 Softswitch release. For information about
how MDN works with SIP, see the SIP Endpoint Caveats section.
For more information, refer to the Multiple Directory Numbers section in the
Cisco BTS 10200 Softswitch System Description guide.
Operator Services (0-, 0+, 01+, 00 Calls)
This feature was introduced in a previous Cisco BTS 10200 Softswitch release. There are no differences
when provisioning the feature for SIP.
For information, refer to Operator Services section in the Cisco BTS 10200 Softswitch System
Description guide.
Outgoing Call Barring
This feature was introduced in a previous Cisco BTS 10200 Softswitch release. There are no differences
when provisioning the feature for SIP.
For information, refer to Outgoing Call Barring (OCB) section of the Cisco BTS 10200 Softswitch
System Description guide.