SIP (Session Initiation Protocol) is the protocol used by VoIP (Voice over Internet Telephony) systems to manage the VoIP phone calls. Because VoIP calls work differently from ordinary circuit-switched phone calls, different protocols are used to accomplish basic tasks such as establishing and terminating phone calls.
CISCO 2950 SERIES SWITCHES The Cisco Catalyst 2950 Long Reach Ethernet (LRE) Series switches enable enterprises and service providers to extend intelligent Ethernet services over existing phone and legacy wiring. With a reach of up to 5000 feet, enterprises can deploy productivity enhancing online applications across their entire network while avoiding the costs of rewiring. For more information, visit: http://www.worldwidesupply.net/cisco/switches/cisco-2950-series
Finishing up your bullet journal? Congratulations! Now it's time to start a new one. But making the big bullet journal switch can be daunting, but it's not as hard as you might think. This guide will walk you through the important collections and spreads that you need to take with you from one bullet journal to the next.