H.323 protocol in the enterprise is still in a prominent position
Clearly, the use H.323 protocol can not create such a service. This agreement can not be modified. Therefore, it is most flexible and feature-rich enterprise software are using H.323 systems. Although SIP is mature, but, H.323 still continue to apply, as some popular H.323 TDM system is currently in the process are still using the same. Most companies continue to develop H.323 and SIP solutions to the most effective use of the advantages of each protocol and provide some options for enterprise communications.
It should be noted that, although the H.323 as a protocol is already quite mature, but the agreement is still a lack of compatible equipment from multiple vendors function. However, H.323 protocol very good start, extended feature set has reached hundreds. Therefore, in the call center and have a high degree of personalized enterprise dial plans, H.323 protocol first start of the advantages of not going away. Most of the current enterprise applications are using the H.323 VoIP protocol, but as the service providers to develop SIP-based hosted telephony solutions, SIP phone demand in a relatively simple small office environment will be very rapid growth .
SIP to get momentum
Although the application of SIP in the enterprise is not as widespread as H.323, but it has begun a growth momentum, service providers are the backbone transmission lines business and consumer VoIP communications. Service providers in the proposed purchase of new equipment are proposed to use SIP technology, they are to soft switching transition. Softswitch can quickly build and cut off the proxy server, SIP clients and PSTN gateway connection between the telephone. SIP also enables service providers to provide outsourcing services. Using TDM or H.323 technology is not possible to provide outsourcing services. Such as voice mail or conferencing systems can be integrated as components into the network perimeter using the SIP protocol in the enterprise PBX, as service providers create new revenues and to outsource non-strategic businesses the choice of components.
Although SIP is considered a mature protocol, but it is not as standard as 100% perfect. Standard still under development, especially in the privacy and security, in the foreseeable future, this agreement will continue to strengthen the function. SIMPLE protocol infrastructure and more appropriate decision-making need to solve the IETF.
While the H.323 protocol VoIP application in the future will continue to play an important role, but, SIP protocol applications have become popular again. This basic agreement itself has been made not to promote the application of business decision-making factors, decision-making are mainly based on business and application environment to make. Depending on the application, this agreement or the agreement may be more meaningful. However, in many environments, will accommodate both the location of the agreement!
Early-to see the value of SIP protocol is an open standard used in enterprise environments, and does not depend on any device and flexible agreement. Many other users are using the SIP protocol where necessary as a complement to their H.323 environment.
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