Refurbished Phone Exchange Blog — SIP

ShoreTel voice switches come in many different variations and configurations. These voice switches are designed to be used across many different platforms and businesses from small to large. Whether you use SIP trunks, analog trunks, or T1; there is a ShoreTel voice switch for you! ShoreTel Voice Switches with T1 Circuits: Several voice switches have a T1 circuit port built in to allow for termination of a digital circuit. The table below showcases the switches that can handle a digital circuit. You’ll want to use one of these switches if you have a T1: Switch Digital Trunk IP Phones Supported...

Buying a phone system is an important investment. You must put careful consideration into price, potential for growth, and ability to find replacement parts and accessories. Of course in today's business world, many SMB's are opting for a cloud-based system, but is that the right solution for you? How much should I spend? The first thing customers ask about when searching for the right phone system is price. How much will it cost me? The answer depends on a few factors, number of lines, equipment and more importantly features.­ Features can range from call groups, conference bridging and voicemail transcribing...

The Aastra 675xi is no more... Mitel-Aastra has officially discontinued the 675xi series of IP phones. These phones were SIP based IP phones compatible with Asterisk based phone systems and AastraLink phone systems. The Aastra 57i and other phones in the series became synonymous with high quality programmable phones for SIP based phone systems. On October 7, 2014 the 675xi series was officially discontinued.   The Replacement... The replacement series of phones will be the Aastra 686xi phones. The two phones being originally released in the series are the 6865i and the 6867i IP phones. These phones will maintain the...

Selecting a phone system for your small business can often be daunting. When just first starting out, many business neglect to think about one of their most important purchases. Business phones are critical for the ability to reach and be reached by your customers. Depending on the size of your company, several small business phone system options exist. The phone systems we’ll concentrate on today are the Bizfon 680, NetVanta 7100, Allworx 6x, and Asterisk PBX.   Bizfon 680 The Bizfon 680 is a small phone system produced by Bizfon Inc. The Bizfon 680 is an ideal solution...

  What is SIP?Session Initiation Protocol, commonly referred to as SIP, is a protocol commonly used in the voice over IP (VoIP) community. The session initiation protocol creates, maintains, and ends data transmission between two or more parties for an established data media stream of voice or video. What SIP does not do is transmit the media stream itself. SIP works in conjunction with another protocol such as real-time Transport Protocol (RTP) or Secure Real-time Transport Protocol (SRTP) to deliver the actual data. Why is SIP important?Why SIP is important is that SIP is the most common open standards protocol for establishing phone...