Trunk VoIP Gateway
PSTN signaling protocols:
IP signaling protocols:
IP network connection interface:
System capacity:
- 19” 1U: Up to 4 E1
- 19” 6U: Depends on requirements of the customer
Basic functions:
- G.729, G.711 voice encoding and compression
- Conversion of PSTN number to IP address
- Supports exchange of signalling messages between PSTN exchanges and VoIP network equipment
- Call routing
- Can work without gatekeeper
- Static multiplexing/demultiplexing
Services:
- Ethernet 10/100 BaseT
- RADIUS support
- DTMF signal recognition and processing
- Audio signal generation
- Authorization (via IVR)
- Direct call function
- Facsimile session support
Applications:
- Provision of IP telephony services over dedicated data transfer lines
- Provision of IP telephony services over the Internet
- Transmission of voice traffic by cross-connection of two gateways
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