About pabx system
Perbedaan yang cukup mencolok dari PABX electronic dan PABX analog dapat di lihat dari proses transfer transmisi suara, yaitu yang sebelumnya analog menjadi digital.Avaya is finest for big enterprises. They've got a historical past of creating PBX solutions, so their trustworthiness would make them a safe choice. Certainly, they make State-of-the-a