Network Protocol

SIP v1 (RFC2543), v2 (RFC3261)

IP / TCP / UDP / RTP / RTCP

IP / ICMP / ARP / RARP / SNTP

FTP / DNS / TFTP / DHCP / PPPoE Client

HTTP / NAT / DHCP server

Tone

Ring Tone

Ring Back Tone

Dial Tone

Busy Tone

Programming Tone

Phone Functions

Volume Adjustment

Speed Dial

Phone Book

Flash

Speaker Phone

Call History

Caller ID

Voice Message / Incoming Call

Indicator

Codec

G.711: 64k bit/s (μ/A‐law)

G.723.1: 6.3k / 5.3k bit/s

G.726: 16k / 24k / 32k / 40k bit/s (ADPCM)

G.729A: 8k bit/s (CS‐ACELP)

G.729B: adds VAD & CNG to G.729

IP Assignment

Static IP

DHCP

PPPoE

SIP Registration

3 independent accounts

Appendix

Specification

Voice Quality

VAD: Voice activity detection

CNG: Comfortable noise generator

LEC: Line echo canceller

Packet Loss Compensation

Adaptive Jitter Buffer

Security

HTTP 1.1 basic /digest authentication for Web setup

MD5 for SIP authentication (RFC 2069/RFC 2617)

QoS

IEEE 802.1Q VLAN

ToS field

Call Function

Call Holding

Call Waiting

Call Forwarding

Caller Transferring

Call Blocking

Call Redial

Three‐way conference

NAT Transversal

STUN

Outbound Proxy

Configuration

Web browser

TFTP

Keypad

DTMF Function

In‐band DTMF

Out‐of‐band DTMF

SIP information

Firmware Upgrade

TFTP

HTTP

17

Page 23
Image 23
SMC Networks SMCDSP-205, SMCDSP-200 manual Specification, Network Protocol