Unexpected effects of the XThey can work both with VoIP services, through a SIP-Trunk link, and telephone lines (ISDN). For its part, a virtual PBX is software, which can be hosted both on company servers and in the cloud, which offers practically all the functions of an IP or conventional PBX, basing its operation on VoIP telephonyThey offer practically the same functionalities at an infinitely lower cost – even, as in the case of Zadarma, there are free options. It is only necessary to have a device with an Internet connection to use them.
This is, on the other hand, its only weak point since without an Internet connection it is not possible to use them and, although with WebRTC technology the same call quality mobile number list is already achieved as with IP-PBXs, depending on the coverage or the bandwidth, certain problems can appear as it also happens with VoIP services at the user level. Which is the most appropriate for each company? It is true that the choice between one and the other depends on the needs of each company.
We can affirm that 99% of IP telephony projects can work with all the guarantees in a virtual switchboard without the need to resort to an IP switchboard. Very specific cases that could require a local IP switchboard may be the need to keep the telephone system working, even with the analogue network, store call recordings on a local server – something that, on the other hand, if not It is by legal imperative does not make much sense - or that you want to maintain internal control of the management of the switchboard by the company's IT team. However, these are such specific cases and, in practice, uncommon or, directly, useful that currently, the vast majority of companies opt for the flexibility, capabilities and, above all, the infinitely lower costs offered by solutions virtual switchboards in the cloud.