I can execute the Following task as a VoIP Network Engineer.

Configure and design VoIP / IP-PBX telephone devices Grandstream Cisco Polycom Asterisk
Monitor and maintain VoIP / IP-PBX servers for their functionalities.·
Prepare design specification plans as per customer requirement / onboard new customer on IP PBX call platform.
Providing constant training and technical support to clients
Monitor all customer inquiries and ensure appropriate resolution for same.
Configuration of Cisco Analogue Telephone Adapter (ATA) as trunk for Analogue phones
Troubleshooting VoIP Network issues.
Install, configure and maintain network routers to provide SIP and data connectivity.