I am setting up an IP phone system for an office with 20 people. Can anyone recommend a reliable SIP trunk provider? We have a Grandstream UCM6208 PBX. Most calls made will be international. I am ...

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The most reliable internet protocol (IP) desk phone is Polycom VVX because its hardware is crafted to an extremely high standard, and its user base appears to be consistently satisfied with its ...

While setting up a SIP phone at home, I noticed something surprising - most SIP providers don't seem to offer any kind of encryption on the connection; both voice data and login data is done in clear ...