csrst Secondary Dial Tone

1.3.6.1.4.1.9.9.441.1.2.21

Cisco SRST secondary dial tone digits. When a Cisco IP phone user dials a PSTN access prefix, defined by the secondary dial tone digits, the secondary dial tone is enabled. ::= { csrstConf 21 } SYNTAX INTEGER { blind (1), fullBlind (2), fullConsult (3), localConsult (4) } MAX-ACCESS read-only STATUS current DESCRIPTION Cisco SRST call transfer method using the ITU-T H.450.2 standard. Default setting is blind. blind - Calls are transferred without consultation using a single phone line and the Cisco proprietary method. fullBlind - Calls are transferred without consultation using H.450.2 standard methods. fullConsult - Calls are transferred using H.450.2 with consultation using the second phone line if available, or the calls fall back to full-blind if the second line is unavailable. localConsult - Calls are transferred with local consultation using the second phone line if available, or the calls fall back to blind for non- local consultation or transfer target. This mode is intended for use primarily in Voice over Frame Relay (VoFR) networks. REFERENCE ITU-T H.450.2 Call Transfers