VoIP Support / VoIP Engineer in VAKO teknolodzhis, TOV

Company specializes in providing voice transit services and SMS traffic for international operators and businesses that require high quality, reliable and scaled communication. We act as a key link in global telecommunications infrastructure, providing uninterrupted routing of voice calls and sharing text messages between operators in different countries of the world. Style = "font-weight: 400; font-style: Normal" Style = "font-weight: 400; font-style: Normal"> Administration and Support VOIP-Infrastructure (4/5 Class Telephony Switch with Billing Smartswitch). Normal "> Monitoring and troubleshooting VOIP systems and network equipment.

Connecting and Settings SIP Telephones, Softphone and VOIP-Gut.

Interaction with Communications Operators, SIP providers and clients on VoIP services.

Fulfillment of unforeseen tasks and solving technical problems depending on the situation within its competence

Requirements:

VOIP experience from 1 to 3 years.

Knowledge SIP, RTP, SDP, NAT Traversal (Stun, Turn, Ice).

Understanding Network Protocols (TCP/IP, UDP, DNS, DHCP, VLAN).

Basic Linux (Debian, Centos, Ubuntu) Administration Skills.

Monitoring and Traffic Analysis Experience (Wireshark, TCPDUMP, SNGREP).

Basic Understanding API-Integration (Rest API, JSON, XML).

English at Technical Documentation level.