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

Appendix H: Specifications

111

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Linksys SPA9000 manual Voice Algorithms, Law and mµ-law, 726 16/24/32/40 kbps, 729 a, 723.1 6.3 kbps, 5.3 kbps