Why You Need SIP Protocol for Voice Communications
Session Initiation Protocol (SIP) is the communications technology for person-to-person voice traffic over the Web. Its defining 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 handle IP telephony combined with video and instant messaging. Forthcoming improvements will enable SIP applications such as video conference calls, application sharing, home monitoring, and interactive gaming for companies in Winnfield.
Producers of SIP equipment are quickly developing new hardware and software to get the upper hand in this new Internet communications scheme. SIP telephones, PC client software, SIP servers, routers, and firewalls are now obtainable from companies such as Ingate Systems and Cisco.
Prior to setting up a SIP plan in your organization, you should think about the proper settings of your corporate firewall to support SIP. Many of the typical firewalls already installed in business offices are not developed to support the SIP protocol. First, SIP media streams are transferred over dynamically allocated UDP ports that are often shut on firewalls. Second, SIP clients inside a firewall can not be reached using IP addresses since these addresses are local and private to the LAN. Third, you need to ensure that either your T1 line carrier or Metro fiber carrier is able to support the SIP protocol from your internal network to the outside world. Your IT manager will need to ascertain how to properly support SIP to get around these technical problems. By adding a SIP proxy and registrar for managing the firewall, it is possible to handle complex SIP situations for secure and private communications.
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Going forward, our objective is to constantly improve our product offerings. We now offer enterprise products typically employed by larger corporations, specifically: OC3, MPLS network service, gigabit ethernet, and cloud computing bandwidth delivered over a fiber optic backbone. Many of our providers even deliver cost-free managed Cisco routers for multi-year contracts. Mainly, our objective is to develop a bond with you - our customer - that will last for years to come. Acquiring your trust is just what we do all the time. Conserving you money on low-cost Ethernet services is exactly how we keep it.