


Grandstream 8 CO Analog Line Gateway HT881
$167.95 - $201.40
Tags:
- Adds 8 analog line ports (POTS/CO)
- Supports caller ID and 3-way conference calls
- Supports T.38 Fax for reliable Fax-over-IP
Warranty
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Product Details
The Grandstream HT881 is an analog gateway designed to connect analog lines from the PSTN (POTS/CO) to your Grandstream phone system.
The HT881 gateway enables businesses to create a cost-effective hybrid IP and analog telephone system that offers the benefits of VoIP communications, while preserving investments made on existing analog telephone lines.
The Grandstream HT881 comes equipped with 8 RJ11 analog line (FXO) ports and supports telephony features such as caller ID, call waiting, transfer, and 3-way conferencing.
Telephony Interface
- (8) x RJ11 FXO ports
- (1) x RJ11 FXS
Network Interface
- (2) x 10/100/1000Mbps RJ45 ports, one with 802.3af PoE-PD support
- Note: Up to 1000Mbps in Bridge mode, up to 100Mbps in NAT mode
LED Indicators
- POWER
- NET1
- NET2
- FXS
- FXO
Factory Reset Button
- Yes
Telephony Features
- Caller ID display or block
- Call waiting
- Flash
- Blind or attended transfer
- Call forward
- Call hold
- Do not disturb
- 3-way conference
Voice Codecs
- G.711 with Annex I (PLC) and Annex II (VAD/CNG)
- G.723.1
- G.729
- G.726-32
- iLBC
- OPUS
- Dynamic jitter buffer
- Advanced line echo cancellation
Fax over IP
- T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through
Caller ID
- Yes, supported
Dial Methods
- DTMF
- Pulse
Disconnect Methods
- Busy Tone
- Polarity Reversal/Wink
- Loop Current
QoS
- Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
- Traffic Shaping
DTMF Method
- In-audio, RFC2833 and/or SIP INFO
Security
- TLS/SIPS/HTTPS
- SRTP
Management
- Syslog support, Telnet, SSH, Remote management using web browser
Universal Power Supply
- POE Input: 48V / 0.5A
- DC Input: 12V/1A
Dimension and Weight
- 190mm x 100mm x 28mm (L x W x D)
Package Contents
- HT881
- Ethernet Cable
- Quick Installation Guide
- Power Supply Not Included