MPGW (MCPTT Gateway): Provides IMS-ALG/AGW, BGF, STUN functions for MCPTT service
- Connectivity
- NAT / Firewall Traversal
- RTP / RTCP Media Relay
- Session lookup and manual cleanup
- Transcoding (Audio)
- Access Control & QoS & Disaster Recovery
- Overload Protection & Control
- VCC/eSRVCC
- Call Distribution Modes for disaster Recovery
- Session & Emergency Routing
- Redirection
- Routing Rule Management
- Security
- Topology hiding
- Authentication
- Encryption (TLS/SRTP/IPSec)
- ACL