| Telephony Features | Call Quality | Operations, Maintenance & Billing |
| • Call Waiting • Call Forward – Unconditional, Busy, No-Answer • Call Transfer – Blind, Consultative • 3-Way Conference • Do Not Disturb • Message Waiting Indicator – Audible, Visual • Music on Hold • Executive Barge • Caller ID presentation – UK, DTMF, Bellcore GR30, ETSI • Caller ID screening • SIP registration & digest authentication |
• Adaptive jitter removal • Comfort noise generation • Silence suppression • 802.1p/Q VLAN tagging • Differentiated Services (DiffServ) • Type of Service (ToS) • QoS statistics reporting • Echo cancellation (G.168 up to 128ms) |
• HTTP(S) Web Server • RADIUS Accounting & Login • Remote firmware upgrade: – Auto code upgrade – Auto configuration upgrade • SNMP V1, V2 & V3 Syslog • TFTP/FTP support • VT100 – RS232/Telnet/SSH • Voice readback of IP parameters |
| Security & Encryption | Routing & Numbering | Survivability |
| • Media – SRTP (Optional) • SIP – TLS (Optional) • Management – HTTPS, SSH, Telnet • Configurable user login passwords • Enhanced Network Proxy (ENP) |
• Dial Planner – sophisticated call routing capabilities • Direct Dialing In (DDI) • SIP registration to multiple proxies |
• Automatic re-routing of call traffic to backup PSTN connection |