
How a cloud PBX unites remote operators
When a team is spread across cities and countries, the main challenge is to keep communication unified. A cloud PBX solves this: operators c...
Read
IMPERITEL
Articles about IP telephony, SIP, DID numbers and number reputation check — without complex jargon, with practical examples.

When a team is spread across cities and countries, the main challenge is to keep communication unified. A cloud PBX solves this: operators c...
Read
You launch a big campaign, the auto-dialer works at full speed — but half the calls go nowhere. The reason often lies in the database: inact...
Read
Connection rate depends on two things at once: that the number is not flagged as spam and that it looks local/familiar to the subscriber. In...
Read
When a company grows, a single mobile number is no longer enough. The question arises: install your own office PBX or connect a cloud one? L...
Read
In short: a SIP trunk is a virtual «wire» for telephony that works over the internet instead of physical lines. It connects your PBX or equi...
Read
An auto-dialer speeds up a call center many times over, but with the wrong setup it can quickly «burn out» your database and the reputation ...
Read
People are more willing to answer when they see a familiar city or country code. An unfamiliar international number raises suspicion — it's ...
Read
You call a client and they don't answer. Your manager is sure the number is «clean» — but a «Spam» or «Suspicious call» label may be showing...
ReadFill out the form — we reply within 10 minutes