Basic services: custom VoIP system design, VoIP billing, custom Web GUI for Asterisk appliances.
I can handle any request related to VoIP servers, Asterisk PBX as well as specific Asterisk appliances (FreePBX, ViciDial, GoAutoDial, TrixBox).
For more then 600 simultaneous calls I recommend SIP server Kamailio with many Asterisk nodes behind.
- small and large VoIP system based on SIP, IAX, H.323
- VoIP architecture design
- Web GUI and billing for VoIP
- support for Asterisk, FreePBX, Trixbox, A2Billing, OpenSER (Kamailio or Opensips).
- custom add ons for Asterisk, FreePBX, A2Billing
- VoIP load balancing using OpenSER (Kamailio or Opensips)
- support for Linux systems and suplimentary services for VoIP
- "on call" support and consulting for all above