This ensures that signaling information such as dual tone multifrequency DTMF digits, passwords, PINs, and voice encryption keys are secure. This enables efficient scalability as increasing the number of voice gateway interfaces with DSPs, or increasing the number of DSPs integrated on the platforms such as on the integrated services routers , increases the number of DSPs available for secure calls.
No additional call setup delays are introduced with encrypted calls, as the key exchange is completed as part of the normal call setup and no extra messages are introduced. Voice media delay is also not introduced because SRTP media encryption is performed in the DSP, and not by the router CPU or a separate encryption engine that processes the completed voice packet. There is no channel capacity impact for encrypted calls in G.
Media authentication and encryption is easily configured on Cisco routers using the command-line interface CLI. In addition, features such as a lock icon indicator on Cisco IP Phones provide visual confirmation of encryption in calls to supported gateways. If a device within the call flow does not support media encryption or the security is compromised, the lock icon disappears.
CLI commands are also available to confirm and provide details about an encrypted call and to debug calls. For enterprises and small and medium-sized businesses that have a trusted WAN network, SRTP can be used to encrypt voice end to end across this network.
However, most of these businesses conduct business across the Internet or across a WAN that is managed by a service provider.
This is illustrated in Figure 2. These services are based on proven methodologies for deploying, operating, and optimizing IP communications solutions. Upfront planning and design services, for example, can help you meet aggressive deployment schedules and minimize network disruption during implementation. Operate services reduce the risk of communications downtime with expert technical support.
Optimize services enhance solution performance for operational excellence. Cisco and its partners offer a system-level service and support approach that can help you create and maintain a resilient, converged network that meets your business needs.
Media authentication and encryption provides an additional layer of security for enterprises and small and medium-sized businesses deploying IP communications. Voice conversations terminated on TDM or analog voice gateway ports or Cisco Unified IP phones are protected from eavesdropping, information theft, media tampering, toll fraud, denial of service and other attacks within the LAN and WAN using standards-based encryption.
To place an order, contact your Cisco representative or visit the Cisco Website. See Table 5 for ordering information. Services from Cisco and our certified partners can help you transform the branch experience and accelerate business innovation and growth in the Borderless Network. We have the depth and breadth of expertise to create a clear, replicable, optimized branch footprint across technologies. Planning and design services align technology with business goals and can increase the accuracy, speed, and efficiency of deployment.
Technical services help improve operational efficiency, save money, and mitigate risk. Well, how do you do that? See below, this is what I did.
Use of this product feature requires an additional license from Cisco, together with an additional payment. You may use this product feature on an evaluation basis, without payment to Cisco, for 60 days. After the 60 day evaluation period, your use of the product feature will be governed solely by the Cisco end user license agreement link above , together with any supplements relating to such product feature.
The above applies even if the evaluation license is not automatically terminated and you do not receive any notice of the expiration of the evaluation period.
It is your responsibility to determine when the evaluation period is complete and you are required to make payment to Cisco for your use of the product feature beyond the evaluation period.
Your acceptance of this agreement for the software features on one product shall be deemed your acceptance with respect to all such software on all Cisco products you purchase which includes the same software.
The foregoing notwithstanding, you must purchase a license for each software feature you use past the 60 days evaluation period, so that if you enable a software feature on devices, you must purchase licenses for use past the 60 day evaluation period. Activation of the software command line interface will be evidence of your acceptance of this agreement. I log back in and I look at the license now. What the Cisco documentation doesnt say that I found is that you have to at least run three more commands in order for the license to be accepted.
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