SIP and Asterisk consultant


SIP Phones can appear as software in a computer, Mobile phone, iPhone, iPad, Android device or a dedicated hardware device. These are telephones that allow phone calls to be made using VoIP technology.

ZONE offers IPPBX solution not only on Grandstream IPPBX, but also help customer to use Open Source IPPBX software such ask Asterisk, FreePBX , Elastix and Trixbox to build an enterprise telephone system.

For further information, please use the form below or send us an email service@zonetel.com