IP Phone User Manual

5. Specification

Model

SP5008A

Standard SIPv2 (RFC 3261): Primary and Secondary Proxy, Primary and Secondary

Outbound Proxy

POTS Interface 8 FXS

Ethernet Port

z 1 x RJ-45 WAN port of 10/100M

z 4 x RJ-45 LAN ports of 10/100M

Voice

z Codec: G.711a/mu-law, G.723.1 (6.3K), G.729, G.729.A

z VAD, CNG, and Silence Suppression

z Echo Cancellation (G.165 / G.168)

z Adaptive Jitter Buffer

z Packet Loss Compensation

z Adjustable volume level

DTMF In-band, SIP Info, RFC2833

Telephony

z Caller ID Detection: FSK, DTMF, ETSI (before ringing, between ringing)

z Call hold, Call transfer, Call waiting, Call forward (Unconditional, No

answer, Busy, No Answer+Busy)

z Music on Hold

z Hotline and Waiting Time to Hotline

z Speed Dial and Peer-to-Peer Call

z Anonymous Call

z DND (Do Not Disturb)

z Dial Plan and Digit Manipulation

z Tone Generation/Detection: Ringing Tone, Ring Back Tone, Dial Tone,

Programmable Tone

z CDR (Call Detail Record)

z MWI (Message Waiting Indication)

z FAX over IP: G.711 pass-through, T.38 Fax relay

PBX Features

z Representative number setting

z Support SIP Trunk

z Extension calling among FXS ports

z Direct line (DID) to extension

z Max. 9 registrars (SIP trunk and 8 direct lines)

z Operator (Serial ring on extension) for attendant

Security z HTTP 1.1 basic/digest authentication for WEB access

z MD5 for SIP authentication (RFC 2069/2617)