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Cisco BTS 10200 Softswitch SIP Feature and Provisioning Guide, Release 5.0
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Chapter2 SIP Subscribers
Comparison of SIP-Based Features and MGCP-Based Features
Comparison of SIP-Based Features and MGCP-Based Features
Tabl e 2-1 lists the MGCP features available (in the Feature column) and then describes how the feature
differs when it is used as a SIP feature.
Table2-1 MGCP Features and SIP Support
MGCP-Based Feature Abbreviation Support for SIP Phone Compared to Support for MGCP-Based Phone
8XX Toll-Free 8xx Same as MGCP.
911 Emergency-Service 911 Only E911 support (without the suspend procedure for 45 minutes). Basic 911
with suspend procedure is not supported.
Emergency Call (911) is supported for SIP endpoints with one caveat: If the
calling party (SIP subscriber) disconnects the call, the called party control is
not available. Otherwise, the call will be released. Expanded emergency
service (E911) does not require this, but basic emergency service (911) does.
Both 911 and E911 are supported for MGCP endpoints.
The Public Safety Answering Point (PSAP) is selected based on default user
location. No mobility is supported.
Anonymous Call Rejection ACR Same as MGCP, when provided by the BTS10200. Also provided by the
phone.
Anonymous Call Rejection
Activation
ACR_ACT BTS 10200 functionality is same for SIP subscribers as for MGCP.
ACR_ACT is also supported on some SIP phones. Depending on the specific
phone, the feature on the BTS 10200 might work jointly with the feature on the
phone.
Anonymous Call Rejection
Deactivation
ACR_DEACT BTS 10200 functionality is same for SIP subscribers as for MGCP.
ACR_DEACT is also supported on some SIP phones. Depending on the
specific phone, the feature on the BTS 10200 might work jointly with the
feature on the phone.
Automatic Callback AC SIP phone users cannot activate the service. MGCP users cannot activate the
service toward SIP phone users.
Automatic Callback
Activation
AC_ACT SIP phone users cannot activate the service. MGCP users cannot activate the
service toward SIP phone users.
Automatic Callback
Deactivation
AC_DEACT SIP phone users cannot activate the service. MGCP users cannot activate the
service toward SIP phone users.
Automatic Recall AR SIP phone users cannot activate the service. MGCP users cannot activate the
service toward SIP phone users.
Automatic Recall
Activation
AR_ACT SIP phone users cannot activate the service. MGCP users cannot activate the
service toward SIP phone users.
Automatic Recall
Deactivation
AR_DEACT SIP phone users cannot activate the service. MGCP users cannot activate the
service toward SIP phone users.
Busy Line Verification BLV Not supported.
CALEA and LI n/a For information on lawful intercept (LI) and CALEA, see the “Lawful
Intercept and Enhanced CALEA” chapter in the Cisco BTS 10200 Softswitch
Network and Subscriber Feature Descriptions.
Call Block CBLK Same as MGCP.