C3925E-CME-SRST/K9 Overview
C3925E-CME-SRST/K9 is a Cisco 3925E router bundled with Voice Bundle w/ PVDM3-64, 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:
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 ExchangeIBM Lotus Domino server
Quick Specs
Table 1 shows the Quick Specs of the C3925E-CME-SRST/K9.
| Product Code | C3925E-CME-SRST/K9 |
| Bundle | Cisco 3925E Voice Bundle w/ PVDM3-64,FL-CME-SRST-25, UC License PAK |
| Services Performance Engine module | w/SPE 200 |
| Rack Units | 3U |
| Interfaces | 4 integrated 10/100/1000 Ethernet ports with 2 SFP ports |
| Expansion Slot(s) | 2 service module slots
3 onboard digital signal processor (DSP) slots 3 Enhanced High-Speed WAN Interface Card (EHWIC) slots |
| RAM | 1 GB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Dimensions | 47.6 cm x 43.8 cm x 13.3 cm |
Product Details
Figure 1 shows the appearance of the Cisco 3925E/K9 router. C3925E-CME-SRST/K9 is similar with it.
Modularity Features
Table 2 shows recommended modules for this router.
| Models | Description |
| C3900-SPE200/K9 | Cisco Services Performance Engine 200 for Cisco 3925E ISR
(It’s a configured item in the CISCO3925E/K9.) |
| SM-ES3G-16-P | Enhanced EtherSwitch Service Module, L2/L3 switching, 16* 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
| SM-ES3G-24-P | Enhanced EtherSwitch Service Module, L2/L3 switching, 24 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
| VWIC3-2MFT-G703 | Cisco Voice/WAN Card VWIC3-2MFT-G703 |
| 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 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 3 shows the comparison of CISCO3925E/k9 and C3925E-CME-SRST/K9.
| Model | CISCO3925E/k9 | C3925E-CME-SRST/K9 |
| Bundle | N/A | Cisco 3925E Voice Bundle w/ PVDM3-64,FL-CME-SRST-25, UC License PAK |
| SPE | w/SPE 200 | w/SPE 200 |
| Interface | 4GE | 4GE |
| EHWIC slots | 3 | 3 |
| SM slots | 2 | 2 |
| ISM slots | 0 | 0 |
| DSP | 3 | 3 |
| SFP | 2 | 2 |
| Rack Unit | 3U | 3U |
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