Grandstream- HT802 2-Port ATA

  GRANDSTREAM ANALOG & IP TELEPHONY HT802 2-PORT ATA  

FEATURES

• Compact Dual-Port Analog-to-VoIP Gateway

• Small footprint ATA with two FXS ports that efficiently converts analog phones to SIP-based VoIP.

• Independent SIP Profiles & Local Conferencing

• Supports 2 SIP profiles and 3-way voice conferencing, enabling multiple lines per device.

• Secure Communications & Failover Support

• Enterprise-grade encryption with TLS and SRTP, plus failover SIP server functionality for uninterrupted service.

• Fax & Caller ID Support

• Includes T.38 Fax-over-IP and a wide range of caller ID format compatibility.

• Broad Management & Provisioning

• Supports remote provisioning via TR-069, HTTP, HTTPS, SSH, TFTP, SNMP; VLAN, QoS, and syslog.

SPECIFICATIONS

• FXS Ports: 2 × RJ‑11 FXS

• Ethernet: 1 × 10/100 Mbps auto-sensing RJ‑45

• SIP Accounts: 2 profiles supported

• Voice Codecs: G.711, G.723.1, G.729A/B, G.726, iLBC, OPUS, G.722, dynamic jitter buffer, echo cancellation

• Fax over IP: T.38 compliant Group 3

• Provisioning Protocols: HTTP, HTTPS, SSH, TFTP, TR‑069, SNMP; supports VLAN, ToS, DiffServ, MPLS

• Security: TLS, SRTP, AES encryption, unique certificate per unit

• Power: 100–240 VAC input; 5 VDC/1.0 A output

• Operating Temp: 0–40 °C; storage: –10–60 °C; humidity 10–90% non-condensing

• Dimensions / Weight: 100 × 100 × 29.5 mm, 114 g

  GRANDSTREAM ANALOG & IP TELEPHONY HT841/HT881 ANALOG FXO GATEWAY  

FEATURES

• Multiple SIP Profiles

• Supports multiple SIP profiles through FXO ports for flexible VoIP integration. Compatible with various VoIP networks.

• High-Performance NAT Router

• Built-in NAT router ensures smooth network connectivity. Simplifies device management and setup.

• Lifeline Support

• FXS ports are hard-relayed to FXO ports during power outages. Maintains uninterrupted communication.

• 3-Way Voice Conferencing

• Enables 3-way voice conferencing per port. Enhances collaboration for small teams.

• Secure & Automated Provisioning

• Supports TR069 provisioning and AES encryption. Ensures secure and efficient deployment.

• T.38 Fax Support

• Provides reliable Fax-over-IP service. Maintains high-quality fax communication.

• Failover SIP Server

• Automatically switches to a backup SIP server if the primary fails. Ensures continuous service.

SPECIFICATIONS

• HT841: 4 FXO + 1 FXS; HT881: 8 FXO + 1 FXS

• Ethernet: 2 × Gigabit RJ‑45 (one PoE on HT881)

• SIP Profiles: Up to 3

• Voice Codecs: Same as HT802/814 family

• Fax: T.38 compliant

• Security: TLS, SRTP, AES with certificate

• Feature Set: Lifeline FXS/FXO, 3‑way per port, QoS, VLAN, provisioning

• Power Options: HT881 supports PoE (48 V/0.5A) or 12 V DC input

• Dimensions / Weight: ~190 × 100 × 28 mm; ~0.46 kg

  GRANDSTREAM ANALOG & IP TELEPHONY HT818 V2 POWERFUL 8 PORT FXS GATEWAY GIGABIT NAT ROUTER  

FEATURES

• Eight FXS Ports with High Security

• Delivers up to 8 analog extensions; supports 2 SIP profiles and features wideband HD voice codecs.

• Dual Gigabit Ports & Edge Router Functionality

• Includes a built-in Gigabit NAT router for extended connectivity and failover lifeline support.

• Provisioning & Fax Over IP with Security

• Includes TR‑069, T.38 fax support, TLS/SRTP encryption, and redundant provisioning for enterprise deployment.

• Enhanced Audio Conferencing

• Supports 3-way conferencing per port, with packet-loss protection and echo suppression.

• Failover Lifeline Support

• Configurable FXS lifeline fallback to FXO or analog line in case of power failure (dependent on model pairing).

SPECIFICATIONS

• FXS Ports: 8 × RJ‑11 FXS

• Ethernet Ports: Dual Gigabit RJ‑45

• SIP Profiles: Supports 2

• Voice Codecs: Including wideband G.722 and OPUS, echo cancellation

• Conference: 3‑way conferencing per FXS port

• Fax: T.38 compliant

• Security & Provisioning: TLS, SRTP, TR‑069, unique cert per device

• Lifeline Support: FXS routing to FXO if needed

• Use Case: Small-medium enterprise extensions or analog legacy device integration