Configuration Reference
Description
Feature
For more information, see:
•
Cisco Unified Communications
Manager Administration Guide
,
“
Cisco Voice-Mail Port
Configuration
”
chapter
•
Cisco Unified Communications
Manager System Guide
,
“
Voice
Mail Connectivity to Cisco Unified
Communications Manager
”
chapter
Enables callers to leave messages if calls are
unanswered.
Voice Messaging System
Survivable Remote Site Telephony
Survivable Remote Site Telephony (SRST) ensures that basic phone functions remain accessible when
communications with the controlling Cisco Unified Communications Manager are broken. In this scenario,
the phone can keep an in-progress call active, and the user can access a subset of the features available. When
failover occurs, the user receives an alert message on the phone.
The following table describes the availability of features during failover.
Table 23: SRST feature support
Notes
Supported
Feature
Yes
New Call
Yes
End Call
Yes
Redial
Yes
Answer
Yes
Hold
Yes
Resume
Yes
Conference
The Active Calls softkey does not
display.
No
Conference to Active Calls (Join)
No
Conference List
Yes
Transfer
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager
10.0 (SIP)
162
Features, Templates, Services, and User Setup
Survivable Remote Site Telephony
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