If you want integration to the phone networks, you are looking at something SIP. All these stupid apps don't come close, though they do offer the advantage of video calls if that's important.
SIP can work with dedicated SIP handsets, or your existing landline handsets via an adapter, or via apps on mobile*. It does need a *GOOD* internet connection with stable latency. Mobile broadband isn't up to the job, due to latency jitter. It say if your internet is good for online Fraggin', its more than good enough for SIP.
As the phone providers in the UK shut down the PSTN in the next couple of years, your normal provider will automatically move you to SIP (but most will carry on charging you the same price).
I have been using SIP as my landline for probably the past 20 years, works will, and with the right provider, far, far cheaper than using the traditional phone companies. I pay 1p per minute to call my elderly relatives in Canada on their landlines. My provider has no monthly charge, and I top up with a tenner about every 2 years... ...must be billy no-mates
*some apps need to be open on mobile to receive calls, and if not on a good wifi, suffer all the issues that mobile networks have with data streams. Some apps hammer the phones battery, such as Zoiper (which is what I use when I go on hols)
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Topic: VOIP - Progs/Apps (Read 331 times)