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C2901-CME-SRST/K9 Overview
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:
- Paging
- Conferencing
- Hunt groups
- Basic automatic call distribution (B-ACD)
- Call park, call pickup, call pickup groups
- Overlay-DN, softkey templates
- Cisco IP Communicator
- Cisco Unified Video Advantage
- Integration with Cisco Unity with MWI support at remote sites, with distributed Microsoft Exchange or IBM Lotus Domino server
Quick Specs
Table 1 shows the Quick Specs of the C2901-CME-SRST/K9.
| Product Code | C2901-CME-SRST/K9 |
| Bundle | 2901 Voice Bundle w/ PVDM3-16,FL-CME-SRST-25, UC License PAK |
| Rack Units | 1U |
| Interfaces | 2 integrated 10/100/1000 Ethernet ports |
| Expansion Slot(s) | 2 onboard digital signal processor (DSP) slots
4 enhanced high-speed WAN interface card slots 1 onboard Internal Service Module for application services |
| RAM | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Dimensions | 43.9 cm x 43.8 cm x 4.5 cm |
Note:
| ? | SYS | ? | On/Off switch |
| ? | ACT | ? | AC power connector |
| ? | POE |
Note:
| ? | EHWIC 0,1,2 and 3 (0, far right) | ? | USB 0 and 1 (1, top) |
| ? | Compact flash 0 and 1 | ? | AUX |
| ? | USB serial port | ? | 10/100/1000 Ethernet port (GE 0/0) |
| ? | RJ-45 serial console port | ? | Ground |
| ? | 10/100/1000 Ethernet port (GE 0/1) |
Modularity Features
Table 3 shows some recommended modules for this router.
| Models | Description |
| HWIC-2T | 2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
| EHWIC-1GE-SFP-CU | Cisco 1900, 2900, 3900 Router EHWIC WAN Card vb EHWIC-1GE-SFP-CU |
| EHWIC-4ESG | Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers |
| ISM-SRE-300-K9 | Internal Services Module (ISM) with Services Ready Engine |
| MEM-CF-256U1GB | 256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
| MEM-CF-256U2GB | 256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
| MEM-CF-256U512MB | 256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR |
| MEM-CF-256U4GB | 256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
| MEMUSB-1024FT | 1GB USB Flash Token |
Compare to Similar Routers
Table 4 shows the comparison between CISCO2901/K9 and C2901-CME-SRST/K9.
| Model | CISCO2901/K9 | C2901-CME-SRST/K9 |
| Bundle | N/A | 2901 Voice Bundle w/ PVDM3-16,FL-CME-SRST-25, UC License PAK |
| Interface | 2GE | 2GE |
| EHWIC slot | 4 | 4 |
| SIM Slot | 0 | 0 |
| SFP | 0 | 0 |
| Memory | 512MB (installed) / 2 GB (max) | 512MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) | 256 MB (installed) / 8 GB (max) |
| Rack Unit | 1U | 1U |
