Datasheet

Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 7 of 9
Supported Features
Cisco Unified SRST provides robust support for many IP phone features through the duration of
the WAN failure, a feature that is not available from other traditional telephony solutions. Table 8
lists the features supported during failure.
Table 8. Cisco Unified SRST Features Supported During WAN Failure
Cisco Unified SRST Version Feature Set
Cisco Unified SRST 2.0
●
Support for IP and analog phones
●
Rehoming of IP phones upon failure to branch router for call processing
●
Maintenance of local extension-to-extension calls upon failure*
●
Maintenance of extension-to-public switched telephone network (PSTN) calls upon
failure
●
Up to 6 lines per phone
●
Call hold and pick up
●
Speed and last-number redial
●
Up to 24 line appearances per system
●
Primary line support
●
Maintenance of existing calls upon recovery
●
Analog FXO and FXS
●
Calling-party name
●
Caller ID and asynchronous-network-interface (ANI) support
●
WAN link support: Frame Relay, ATM, Multilink Point-to-Point Protocol (MLPPP), serial,
ATM Adaption Layer 2 (AAL2), and DSL
●
Class of restriction
●
Music on hold (MOH), tone on hold, and music and tone on transfer (MOH for endpoint
PSTN only)
●
Distinctive ringing
●
Direct inward dialing (DID) and direct outward dialing (DOD)
●
PSTN T1 and E1 channel-associated-signaling (CAS) trunks support
●
ISDN BRI and Primary Rate Interface (PRI) support
●
Call-detail recording and RADIUS server
●
Interworking with Cisco Gatekeeper
●
Transfer to voicemail pilot number using PSTN
●
Alias lists for unregistered phones
●
Translation rules support
●
Tool Command Language (TCL)–based simple automated attendant and interactive
voice response (IVR) on local gateways
●
Transfer across H.323 network of Cisco endpoints
Cisco Unified SRST 2.1
●
Cisco Unified CallManager and Unified Communications Manager phone language
support
●
Global-call-forwarding enhancement
●
In-band dual tone multifrequency (DTMF) voicemail integration
●
Enhanced dial-plan pattern