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Appendix H: Specifications
IP Telephony System
Voice Algorithms:
G.711 (A-law and mµ-law)
G.726 (16/24/32/40 kbps)
G.729 A
G.723.1 (6.3 kbps, 5.3 kbps)
Dynamic Payload Support
Adjustable Audio Frames Per Packet
DTMF: In-band & Out-of-Band (RFC 2833) (SIP INFO)
Flexible Dial Plan Support with Inter-Digit Timers
IP Address / URI Dialing Support
Call Progress Tone Generation
Jitter Buffer - Adaptive
Frame Loss Concealment
VAD - Voice Activity Detection w/ Silence Suppression
Attenuation / Gain Adjustments
MWI - Message Waiting Indicator Tones
VMWI - Via NOTIFY, SUBSCRIBE
Caller ID Support (Name & Number)
Security Password Protected System Reset to Factory Default
Password Protected Admin and User Access Authority
HTTPS with Factory Installed Client Certificate
HTTP Digest - Encrypted Authentication via MD5 (RFC 1321)
Up to 256-bit AES Encryption
Provisioning,
Administration &
Maintenance Web Browser Administration & Configuration via Integral Web Server
Telephone Key Pad Configuration of Select Networking Parameters via IVR
Automated Provisioning & Upgrade via HTTPS, HTTP, TFTP
Asynchronous Notification of Upgrade Availability via NOTIFY
Non-intrusive, In-Service Upgrades
Report Generation & Event Logging
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