Why You Need SIP Protocol for Voice Communications
SIP (Session Initiation Protocol) is the transmission protocol for person-to-person voice data over the Internet. Its technical specifications come from the SIP working group of the Internet Engineering Task Force. SIP provides access to the public switched telephone network for voice data at 3 kHz bandwidth and common number dialing using Voice over IP (VoIP). It can also be extended to deal with IP telephony in conjunction with video and instant messaging. Future enhancements will allow SIP applications like video conference calls, application sharing, home monitoring, and interactive gaming for companies in Montmorency.
Makers of SIP equipment are quickly designing innovative hardware and software to get the upper hand in this new Internet communications technique. SIP telephones, PC client software, SIP servers, routers, and firewalls are now on the market from companies such as Ingate Systems and Cisco.
Before setting up a SIP solution in your company, you should consider the appropriate configuration of your corporate firewall to accept SIP. Many of the typical firewalls currently installed in business offices are not developed to allow the SIP protocol. First, SIP media streams are transmitted over dynamically allocated UDP ports that are typically closed on firewalls. Second, SIP clients inside a firewall can not be reached using IP addresses because these addresses are local and private to the LAN. Third, you need to ensure that either your T1 line provider or Ethernet fiber carrier is able to support the SIP protocol from your internal network to the outside world. Your IT manager will need to evaluate how to correctly support SIP to get around these technical issues. By adding a SIP proxy and registrar for controlling the firewall, it is possible to deal with complex SIP situations for secure and confidential communications.
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Going forward, our goal is to continually improve our product offerings. We now supply enterprise products normally utilized by bigger firms, particularly: OC3, MPLS network service, gigabit ethernet, and cloud computing bandwidth delivered over a fiber optic backbone. Several of our service providers also offer cost-free managed Cisco routers for multi-year agreements. Mainly, our objective is to develop a bond with you - our customer - that will certainly last for years to come. Acquiring your trust is exactly what we do all the time. Conserving you money on affordable bandwidth services is just how we keep it.