SIP termination

SIP termination is a service which allows users to use VoIP technology for making outgoing voice calls to external phone networks all over the world, including public switched telephone network phone numbers, as well as mobile cellular operators.
Tariffs for SIP termination service vary from one SIP termination provider to another and calling rates vary depending on destination country, city, also the mobile operator of the subscriber you are dialing. There are many SIP providers that offer service plans based on the number of active lines and some providers may offer unlimited number of simultaneously active channels with pay per minute rate.

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SIP termination – capabilities and flexibility

SIP termination is becoming popular in the professional world and you can rely on this service to communicate with business associates without the need of bearing additional expenses. It provides such features as video conferencing, voice calls, streaming media, instant messaging, playing online games and many more. Thanks to the facilities offered by SIP termination, more companies, both small or large, are taking full advantage of the service to expand their reach. Today, airports, hotels, college, banks and other multi-national companies are making the best use out of this technology. In fact, SIP presents an enormous opportunity to redefine how networks communicate and has proved to be such an outstanding and flexible protocol that vendors and service providers are spending significant resources to best leverage this market opportunity.

SIP termination versus SIP origination

Unlike SIP termination, which means outbound calling, SIP origination (or inbound calling) is a service that allows users to receive incoming calls to VoIP device ( it can be soft-phone, IP phone or IP-PBX). In most cases SIP service includes allocation of telephone number called DID or DDI. This number may be dialed from any PSTN or mobile phone and the call will be forwarded to your SIP user or IP address, thus can be answered by VoIP phone or SIP device. You can buy a DID number, assign a route to your VoIP phone, IP-PBX, and even a cell phone.
For instance: if your office is in New York and your customers or suppliers are in Japan, you can consider buying DID number and provide it to your partners, so in this case, they can call you at very low rates. When DID number is configured and caller in Japan dialed it, you get ringing phone in the New York office via IP.

A-Z SIP Trunking Diagram
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