Adtran 904 Specification Guide

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®

900/900e Series

IP Business Gateways

Product Specifications

Physical Interfaces

WAN

■

Single T1/FT1 (900 Series)

■

Quad T1/FT1 (900e Series)

■

Single Ethernet (900 Series)

■

Dual Ethernet (900e Series)

■

ADSL/ADLS2+ (Annex A) (904 and 908 only)

■

RJ-48C

LAN

■

Single auto-sensing 10/100Base-T (900 Series)

■

Dual auto-sensing 10/100Base-T (900e Series)

■

Full duplex

■

RJ-45

■

May also be used as the WAN interface

■

Supports 802.1q VLAN trunking

Digital Voice

■

RJ-48C

■

T1 CAS support

■

PRI

■

Signaling Methods

❏

E&M Wink

❏

E&M Immediate

❏

Feature Group D

Analog Voice

■

4, 8, 12, 16, and 24 FXS POTS via 50-pin amphenol

■

68.5 Vrms with 20VDC offset maximum ring voltage

■

Sinusoidal ringer waveform

■

48 V, nominal on-hook battery voltage

■

30 mA, nominal loop current

■

FXS 2-wire impedances

❏

600

Ω

❏

900

Ω

❏

600

Ω+2.16µF

❏

900

Ω+2.16µF

■

FXO 2-wire impedances

❏

600

Ω+2.16µF

❏

900

Ω+2.16µF

■

Integral FXO (900e Series)

■

Signaling Methods

❏

Loop Start

❏

Ground Start

❏

DPT

Craft

■

DB-9

Processor and Memory

■

RAM: 64 Mb RAM (TA900)

128 Mb RAM (TA900e)

■

Flash: 32 Mb Flash

VoIP Protocol

■

SIP

■

MGCP (FXS interfaces only)

Packet-based Voice Resources

■

CODECs

❏

G.711-64k PCM

❏

G.729a-8k CS-ACELP

■

G.168 Echo Cancellation

■

Up to 64ms Echo-tail length

■

Supports up to 30 channels (900 Series), 60 channels

(900e Series)

■

Supports T.38 sessions

Media Stream

■

RTP/UDP/IP (RFC 3550)

■

RTP payload for DTMF digits (RFC 2833)

■

Supports port-to-port hairpin call

■

SDP (RFC 2327)

NAT Traversal and Remote Survivability

■

B2BUA

■

SIP Registrar for IP phones

■

SIP transparent proxy with survivability

Tone Services

■

Local DTMF Detection

■

Local Tone Generation

❏

Dialtone

❏

Busy

❏

Call Waiting

❏

Alternate Call Waiting

❏

Receiver Off Hook

■

Ringing

❏

Distinctive Ring

Calling Feature Support

(varies with feature server/gateway)

■

Caller ID

❏

Name and Number (MDMF, SDMF)

❏

Call Waiting IAD

■

Voice Mail

❏

Stutter dialtone

❏

Visual Message Waiting Indicator (VMWI)

■

Call Hold

■

Call Forward

❏

Busy Line

❏

No Answer

■

Call Transfer

❏

Blind, Attended

■

Call Waiting

■

Distinctive Ring

■

Do Not Disturb

■

Three-way Calling

■

Call Return

■

Speed Dial

■

3-way Conferencing (3WC)