This refurbished Oracle Acme Packet 3900 SBC delivers robust, carrier-grade performance for enterprises and service providers looking to secure, control, and manage their VoIP and multimedia communications across IP networks. Designed to handle up to 8,000 concurrent sessions and 125,000 SIP subscribers, the 3900 ensures superior scalability, seamless interoperability, and hardened security for voice, video, and real-time data.
With support for Microsoft Teams Direct Routing, deep protocol interworking, SIP normalization, and advanced security controls, this unit is ideal for edge deployments in complex network environments. Dual redundant power, full encryption interworking, and active-standby failover ensure zero downtime for mission-critical operations.
Key Features & Benefits
Supports up to 8,000 concurrent sessions and 125,000 SIP subscribers
Integrated SBC with session routing, SIPREC, transcoding, and regulatory compliance
Advanced security features including TLS/SRTP encryption and deep packet inspection
Supports Microsoft Teams Direct Routing and full protocol interworking
SIP normalization, header manipulation, and NAT/firewall traversal
Active/standby high availability with no loss of service on failover
Real-time monitoring via SNMP, Syslog, REST, and web-based GUI
240GB SSD for local storage of logs and call detail records
Dual redundant power supply (AC or DC options)
1RU rackmount chassis with 40 CFM front-to-back airflow
Ideal Uses
Enterprise-grade VoIP deployments requiring advanced session control
Service providers supporting thousands of SIP subscribers and endpoints
Unified communications with Microsoft Teams, Skype for Business, and Cisco
Secure interconnects between public and private networks
VoIP security and session monitoring for SIP trunking environments
Specifications
Condition: Refurbished device with scratches and scuffs. Device has been extensively tested and is fully functional.
Model: Oracle Acme Packet 3900 (AP3900 SBC)
Concurrent Sessions: Up to 8,000 sessions / 6,250 transcoded sessions
SIP Subscriber Capacity: 125,000 (UDP) / 80,000 (TCP/TLS)
Transcoding Support: 5 onboard DSPs, supports G.711, G.729, Opus, AMR, etc.
SIPREC Sessions: Up to 6,000
Storage: 240GB SSD for logs/CDRs
Protocols Supported: SIP, MSRP, TLS, SRTP, SCTP, UDP, TCP
Security: Deep packet inspection, encryption, signaling/media failover
Interfaces:
Form Factor: 1RU Rackmount
Power Supply: Dual redundant, AC (100240V) or DC (-48V) options
Power Consumption: 160W typical, 220W max
Dimensions: 43.7 x 434.3 x 405.0 mm
Weight: 6.4 kg (14.2 lbs)
Operating Temperature: 0°C to 40°C
Compliance: RoHS, IETF SIPREC, CE, FCC
Warranty: 3-Month Carry-in Warranty
What's in the Box: Oracle AP3900 SBC, Dual Power Cables
