What are SIP Phones?

What are SIP Phones?
SIP Phone is a phone that uses the Open Standard SIP to set up and manage phone calls. The actual voice is carried over an IP-based network using another Open Standard called RTP. Since these protocols are generically termed VoIP (voice-over-internet-protocol), these phones are also sometimes called VoIP Phones or VoIP Clients.

SIP Phones can be classified in 2 main categories:
Hardphones or Deskphones or Hardware SIP Phones and SoftPhones or Software SIP Phones.

Hardphones
Hardphone looks like a regular telephone, and indeed behaves as one. However, the hardware is built using network-aware, or more specifically, IP-aware components. The hardphone will connect to an IP-Network using regular ethernet cables or using WiFi. Cordless hardphones are also available, and these devices take another industry standard cordless technology called DECT, so that the phones communicate with a base station using the DECT protocol, while the base station communicates with an PBX using SIP and RTP as their transport protocols.

Softphones
Softphone is quite simply what their name implies
Software program that provides telephone functionality. Again, a softphone will, just like a hardphone, use the Open Standards protocols SIP and RTP for call setup and voice delivery.

Any computing device such as:
Desktop computers (Windows, Mac, Linux) Tablets (Android, iOS) Smartphones (Android, iOS) can run softphone programs, providing a very wide array of options from which to choose. Any computer or smart device that has a microphone and speakers (or a headset) can double up as a softphone. The only prerequisite is an IP-based connection to a VoIP Provider or a SIP Server, often in the form of an PBX.

Softphone Benefits
Using a softphone allows us to make better use of computing resources, but a more important benefit is actually the fact that it is software-based. The limit of the functionality that can be added to a softphone is limited to the software developers imagination, allowing him to create powerful visual tools for the user, integrate into other systems using the softphone itself as the intermediary.

702Ring can be used with most popular hardware SIP Phones.

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