Sigma INDX 250
SYSTEM FEATURES
Abbreviated Dialing: Global, Personal, Alarms, Appointment Reminder/ Wake-up
Automatic Call-Back: On Busy, On No Reply, On Trunk Group
Auto Day/Night Class of Service (COS), Optional Automatic Processor Switch-Over
Busy Override, Call Budgeting, Call Camp-On Consult
Call Chaining, Call Cost Calculation (ASMDR)
ASMDR with Split Billing, Call Follow Me, Call Forward, Call Park
Call Pickup: Group, Selective, Call Privacy/Do No Disturb
Call Splitting/Consult
Call Transfer: On Busy, Screened, While Ringing, To Fax
Camp-On, Class of Service for Extensions, Computer Connectivity
Conference, Customized Data Entry from Console
Department Security, Diagnostic Check for Trunks
Optional Digital Telephone with Name an Number Display
Optional Number Display, Optional Direct Inward Dialing
Direct Outward Dialing, Direct Inward System Access (DISA)
Direct Outward System Access (DOSA)
Optional DISA with Voice Guidance, Distinctive Ringing
Do Not Disturb, Direct In Line, Emergency Reporting, Hunt Group
Hot-Line, Optional Hot Standby Duplication pf Central Controls
Interposition Transfer, Leave Message, Optional Loudspeaker Paging Access
Optional Malicious Call Tracking, Optional Modem Pooling
Multi-Frequency Signaling, Multiple Listed Directory Number
Optional Multilevel Priority, Optional Multilevel Software Padlock
Music-On-Hold, Network Access, Network Service, Night Service
Online System Programming, Personal Access Code Programming
Optional PC Based Operator Console, Power Fail Transfer
Optional Paging, Optional Programmable Voice Guidance
Route Advance, Simultaneous Voice and Data
Optional On Single Pair Cable, Station Lockout
Station Override Security, Optional System Traffic Measurements
Specific Trunk Access, Substitution, Trunk Answer from any Station
Trunk to Trunk Patch up, Trunk Identification
Optional Voice Mail Integration
BPL VoIP-16 gateway Card Specification
| Density | Up to 16 compressed VoIP channels. No Of TD M channels- 16 , 32IP extensions. |
| VoIP Signaling | SIP - RFC 3261, 3262, 3263, 3264, 2327 |
| Data Protocols | IPv4, TCP, UDP, ICMP, ARP |
| PPPoE | |
| IEEE 802.1p/q QoS (VLAN tagging) | |
| Layer 2 switching | |
| DHCP Client/Server - RFC 2132 | |
| Media Processing | Voice Coders - G.711, G.723.1, G.729A/B, G.726, GSM FR, iLBC |
| Wideband Coders - G.722, G.722.2 (WB-AMR) | |
| Fax - T.38 Relay, Bypass , T.38 over RTP | |
| Echo Cancellation - G.168-2004 compliant, 64 msec tail length | |
| Silence Suppression - VAD, CNG | |
| Adaptive Jitter Buffer 300 msec | |
| Packetization | RTP/RTCP Packetization - RFC 3550, 3551, 2198 |
| DTMF Relay - RFC 2833 | |
| Telephony Features | 3-way conferencing , Call Forward , Call hold , Call transfer , Call Waiting |
| Configuration/ Management | Embedded Web , Telnet |
| Security | SRTP (Secured RTP) per RFC 3711, 128 bit AES, |
| Telephony Support | FXS/FXO supported |
| Telephony Signaling | DTMF - Detection and Generation, TIA464B |
| Caller ID - Telcordia/ETSI/NTT Type I/II (on hook / off hook) | |
| Programmable Call-Progress Tones | |
| Operating System | Linux Kernel |
| Board Support Package | |
| uClibc | |
| Device | CPU Clock |
| AC494E* | 213 MHz |
| AC498 | - |