It is not available for multiplayer conference call due to the end-to-end key negotiation mechanism. If needed, a key distribution mechanism may be used. Contact us to customize.
At present, the mainstream digital crypto telephones are mostly based on the traditional Modem technology, but with the softswitch technology in the fixed-line network applications popularization, the situation of lower building chain success rate and connection interrupting are gradually more and more often. Modem technology is to transmit data based on analog voice channel, the [...]