The system of Classes of Service (COS) helps defining rights for one or another extension in the PBX or Centrex systems. For example, few groups require more space for storing voice messages, while other need the redirection of calls to cell phones, the third does not have to make calls outside of the office network. With the help of this system one can change and configure settings.
eSuara - Free Call - Telepon Gratis INDONESIA
eSuara hadir ditengah masyarakat untuk mewujudkan kemudahan berkomunikasi melalui Jaringan Intenet Cable maupun Wifi. Anda Dapat berkomunikasi dengan berbagai Gadget (Android Phone,iPhone,BlackBerry,dll) maupun PC/Notebook serta IPPhone yang terhubung den
Read moreTop countries:
United States 1294
India 440
United Kingdom 425
Canada 348
Bangladesh 338
China 142
Pakistan 134
Australia 133
Spain 123
Russia 114View all countries