A Sip phone is a SIP encoded service. Users may connect to a SIP service using either a SIP enabled fixed phone or a PC based softphone program.
To use SIP phone service you will need the following:
Either a hardware phone adapter or softphone application(often available for free)
A suitable broadband connection to the Internet
The benefits of using a SIP Phone service include-
Plug and play installation.
A cost reduction in per-minute call charges to PSTN numbers.
Free calls anywhere in the world to other users on the same network.
Number portability, allowing the a local number to be used anywhere in the world.
Often voice mail and other services are included.
There are however disadvantages, these are typically-
Reliability – A SIP phone will only operate if a working internet connection is present
Call Quality – Call quality can be affected if you do not have QoS (Quality of Service) in place
Support – If a business has different SIP phones in place getting support may prove difficult.
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