Investing in the CISCO2921-V/K9 Cisco Router ISR G2 Voice Bundle is a strategic choice for small offices looking for a robust and scalable voice communication solution. This router ensures strong performance with its high-density-packet voice DSP module, which provides top-notch voice and video support essential for modern business communication needs. With the Cisco Unified Border Element, users benefit from secure and efficient session-border-controller functions, crucial for managing voice, video sessions, and VoIP traffic across enterprise network boundaries. Additionally, Cisco Unity Express voicemail support streamlines message management and enhances productivity. The device’s ability to support Cisco Communications Manager Express makes it a compact and efficient solution for small-scale telephony requirements.
For businesses concerned with continuity and survivability, the router’s Survivable Remote Site Telephony capability ensures that voice services remain available even if the connection to the central call-processing location is lost, a critical feature for maintaining communication lines during unexpected outages. The modular design of the CISCO2921-V/K9 provides ample room for expansion and customization with two service module slots, one Internal Service Module slot, and four Enhanced High-Speed WAN Interface Card slots. This means businesses can tailor the router to their specific needs, adapting to changing demands without the need for a complete system overhaul.
As a future-proof investment, the router’s memory and flash capacity are expandable, ensuring that the system can handle increased loads and more complex processes as the business grows. This scalability benefits organizations by protecting against obsolescence and reducing the total cost of ownership in the long run. Moreover, the inclusion of standards-certified VoiceXML browser services allows users to develop and deploy Internet-based voice applications, further expanding the router’s functionality.
All things considered, the CISCO2921-V/K9 offers small offices a combination of reliability, scalability, and advanced features that are difficult to match. Upgrading to this voice bundle router will facilitate a more efficient, secure, and resilient voice communication environment, which is vital for any business aiming to maintain a competitive edge in today’s fast-paced market.
The Cisco 2921 router, supporting voice module, is designed for small offices. CISCO2921-V/K9 include Voice Bundle.
Quick Specs
Figure 1 shows the appearance of the CISCO2921-V/K9.
Table 1 shows the Quick Specs of the CISCO2921-V/K9.
|
Product Code |
CISCO2921-V/K9 |
|
Voice Bundle |
· High-density-packet voice DSP module, optimized for voice and video support · Standards-certified VoiceXML browser services · Cisco Unified Border Element capabilities · Cisco Unity Express voicemail support · Support for Cisco Communications Manager Express and Survivable · Remote Site Telephony |
|
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 |
|
Package Weight |
17.2 Kg |
Product Details
Figure 2 shows the front panel of the CISCO2921-V/K9.
Note:
|
① |
AC OK |
④ |
Optional RPS adapter(blank panel shown) |
|
② |
On/Off switch |
⑤ |
LEDs area |
|
③ |
AC power connector |
Figure 3 show the expansion slots and ports on the back panel.
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 2 shows some recommended models for this router.
|
Models |
Description |
|
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 |
|
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 Item
Table 4 shows the comparison between CISCO2921/K9 and CISCO2921-V/K9.
|
Model |
CISCO2921/K9 |
CISCO2921-V/K9 |
|
Bundle |
None |
Voice |
|
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 |
2 U |
2 U |
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