In fact, in most cases, customers can port their existing phone numbers to a new SIP number. SIP-enabled phones can have 10-digit phone numbers, just like ones operating over legacy phone lines. Understanding why requires a bit of background about SIP telephony you can review next. In conclusion, is a SIP number the same as a legacy telephone number? Although the technology is different, for all practical purposes, the answer is – yes, only SIP numbers are better. Many companies choose to use it to improve conference calling, for instance. The interface SIP numbers use is relatively simple, offering a straightforward method of managing the entire phone system (including extensions, additional phone lines, and call routing). So, voice traffic travels through the Internet to reach the PSTN. Primary Rate Interface (PRI) connects calls to the Public Switched Telephone Network (PSTN), from which they are sent to the destination phone number.Īs soon as you switch to a SIP number, your IP-enabled PBX connects to your data network instead of your PRI lines.Private Branch eXchange (PBX), which provides call management, voicemail, and auto attendant.In contrast, traditional business phone systems typically consist of two components: SIP is commonly confused with VoIP, but there is also a difference between the two: SIP calls utilize VoIP via a high-speed Internet connection to deliver analog signaling. A SIP call utilizes SIP channels or trunks to transmit a voice or video signal. In this sense, it’s a more reliable option to connect with other parties. SIP works with the Internet to deliver communication sessions during a call. IP telephony uses this well-known concept very often. It is a signaling protocol used to initiate, connect and terminate communications (such as telephone calls) between two or more parties. SIP Number Calls and Traditional Calls: Are They the Same?īusiness communications can be more reliable with a SIP number, but what exactly is it, and what can it do for you? The first thing you need to know is that SIP stands for Session Initiation Protocol.
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