C2901-CME-SRST/K9 is a Cisco 2901 router bundled with Voice Bundle w/ PVDM3-16, FL-CME-SRST-25, and UC License PAK.
When Unified CME is used in SRST mode, it provides more call processing features for the IP phones than those are available with the SRST feature on a router. In addition, to the SRST features such as call preservation, auto-provisioning, and failover, Unified CME in SRST mode also provides most of the Unified CME telephony features for the SCCP phones, including:
| Brand | Cisco |
| Product Type | Router Voice Bundle |
| Feature 01 | 2901 Voice Bundle w/ PVDM3-16,FL-CME-SRST-25, UC License PAK |
When Unified CME is used in SRST mode, it provides more call processing features for the IP phones than those are available with the SRST feature on a router. In addition, to the SRST features such as call preservation, auto-provisioning, and failover, Unified CME in SRST mode also provides most of the Unified CME telephony features for the SCCP phones, including:
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