C2921-CME-SRST/K9 is a Cisco 2921 router bundled with 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:
☆ 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 C2921-CME-SRST/K9.
|
Product Code |
C2921-CME-SRST/K9 |
|
Bundle |
2921 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK |
|
Rack Units |
2U |
|
Interfaces |
3 integrated 10/100/1000 Ethernet ports (RJ-45 only) |
|
Expansion Slot(s) |
2 service module slot 1 Internal Service Module slot 3 onboard digital signal processor slots 4 Enhanced high-speed WAN interface card (EHWIC) slots |
|
RAM |
512 MB (installed) / 2 GB (max) |
|
Flash Memory |
256 MB (installed) / 8 GB (max) |
|
Dimensions |
47 cm x 43.8 cm x 8.9 cm |
Product Details
Figure 1 shows the front panel of the Cisco 2921 router with ports and LEDs. C2921-CME-SRST/K9 is similar with it.
Note:
|
① |
AC OK |
④ |
Optional RPS adapter(blank panel shown) |
|
② |
On/Off switch |
⑤ |
LEDs area |
|
③ |
AC power connector |
Figure 2 shows the back panel of the Cisco 2921 router. C2921-CME-SRST/K9 is similar with it.
Note:
|
① |
Compact flash 0 and 1 (0, right) |
⑦ |
10/100/1000 Ethernet port (GE 0/1 and GE 0/2) |
|
② |
EHWIC 0,1,2 and 3 (0, far right) |
⑧ |
10/100/1000 Ethernet port GE 0/0 |
|
③ |
USB serial port |
⑨ |
Ground |
|
④ |
RJ-45 serial console port |
⑩ |
USB 0 and 1 (1, top) |
|
⑤ |
AUX port |
⑪ |
Service module slots |
|
⑥ |
SFP |
Modularity Features
Table 3 shows some recommended modules for this router.
|
Models |
Description |
|
2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
|
|
Cisco 1900, 2900, 3900 Router EHWIC WAN Card vb |
|
|
Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers |
|
|
Internal Services Module (ISM) with Services Ready Engine |
|
|
256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
|
256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
|
256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR |
|
|
256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
|
1GB USB Flash Token |
Compare to Similar Routers
Table 4 shows the comparison between CISCO2921/K9 and C2921-CME-SRST/K9.
|
Model |
C2921-CME-SRST/K9 |
|
|
Bundle |
N/A |
2921 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK |
|
Interface |
3GE |
3GE |
|
EHWIC slot |
4 |
4 |
|
SIM Slot |
1 |
1 |
|
SFP |
1 |
1 |
|
Memory |
512MB (installed) / 2 GB (max) |
512MB (installed) / 2 GB (max) |
|
Flash Memory |
256MB (installed) / 8 GB (max) |
256MB (installed) / 8 GB (max) |
|
Rack Unit |
2U |
2U |
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C2921-CME-SRST/K9 Specification
C2921-CME-SRST/K9 Specifications |
|
|
Manufacturer |
Cisco Systems, Inc |
|
Manufacturer Part Number |
C2921-CME-SRST/K9 |
|
Product Type |
Router |
|
Bundle |
2921 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK |
|
Form Factor |
External - modular - 2U |
|
Dimensions (W x D x H) |
47 cm x 43.8 cm x 8.9 cm |
|
Weight |
13.2 kg |
|
DRAM Memory |
512 MB (installed) / 2 GB (max) |
|
Flash Memory |
256 MB (installed) / 8 GB (max) |
|
Routing Protocol |
OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing |
|
Data Link Protocol |
Ethernet, Fast Ethernet, Gigabit Ethernet |
|
Network / Transport Protocol |
IPSec |
|
Remote Management Protocol |
SNMP, RMON |
|
Digital Ports Qty |
32 |
|
Features |
MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED) |
|
Compliant Standards |
IEEE 802.1ah, IEEE 802.1ag |
|
Power |
AC 120/230 V ( 50/60 Hz ) |
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