SIP radiotelephone to the office or smartphone with sip application?

Question

Telephony

In the office, the remote server is an asterisk.
The cost of SIP phone and android is the same.
Only a smartphone can still do a lot of things.
Do I need to buy a SIP phone at all or are they dead?
The question of the quality of communication, of course, and so on.
One minus is that the mobile will be on wifi or lte close to the head during a conversation, and different sip phones such as gigasets emit much less similar, safer.

Answer 1

SIP radiotelephone, for example Panasonic TGP500(600) is better than a softphone on a smartphone.
Because the DECT transmission medium is better than WiFi for voice radio transmission.

Answer 2

In the first lines of the letter, I recommend that you first test the operation of the SIP client on the smartphone model you have chosen. Because if its cost in your opinion is equal to the cost of a hardware sip phone, then this is some kind of ultra-budget smartphone model, and most likely there may be difficulties with working sip on it ... Secondly, hardware SIP is of course more convenient, it has a separate a device that is always available, and in the operation of telephony through it - somehow more confidence than in a more "creative" smartphone, which can run out of battery, lose signal, be busy with some kind of loaded applications, etc.

Answer 3

if this bunch of everything that a smartphone can do is needed, take it. otherwise...
a sip phone has its advantages: no need to worry about finding the right sip client, no potentially unwanted features, no user interface lags.

Answer 4

As for me, a mobile phone is more convenient, in the end you can take it anywhere.